[INFO] fetching crate btrfs2 1.2.2...
[INFO] building btrfs2-1.2.2 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate btrfs2 1.2.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate btrfs2 1.2.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs2 1.2.2
[INFO] finished tweaking crates.io crate btrfs2 1.2.2
[INFO] tweaked toml for crates.io crate btrfs2 1.2.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded minilzo v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 957a73cdd0eb08a7d4c615f434e7151c82b89928ea25a7ec888d0cfd073acb64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "957a73cdd0eb08a7d4c615f434e7151c82b89928ea25a7ec888d0cfd073acb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957a73cdd0eb08a7d4c615f434e7151c82b89928ea25a7ec888d0cfd073acb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957a73cdd0eb08a7d4c615f434e7151c82b89928ea25a7ec888d0cfd073acb64", kill_on_drop: false }`
[INFO] [stdout] 957a73cdd0eb08a7d4c615f434e7151c82b89928ea25a7ec888d0cfd073acb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ad60db152e58539b5eea2be2e5315bb8dd6ed95fee0442a777c5d5d29d89ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88ad60db152e58539b5eea2be2e5315bb8dd6ed95fee0442a777c5d5d29d89ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (75b84863966839e5, 8a92c743b00988cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: uuid, (a0a339f44f536b5d, 19d0364b1290fbe1), 0, 0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6a13c88e0bef3837, 6517342aa448ffe2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (842d77115ebe02b5, 5e8fae4dcb611aa8), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (7d14eb394b260dc3, 948a454e59845f96), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1536d372def1fe59, 77e76ac2a294f455), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (5a5895cf2ff2b54e, 2cfcbdb125a012f4), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (85ef32f12aa13aca, 422a1c58d9e22be6), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ace73889e8c42b42, 20cf0a9e5cea761d), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ce830a220df94597, c08482c4aa2f90d9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (fd0f67047684d97, 240405835b71cba9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (b6e900fa4ab0e995, 4d95e1a6397ecc3c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (54d9b57557e3c366, c2a434dbdd0729c5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (84ec28c09535e465, 13aadfb187baa89c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d6ad7473886d9f66, d7d530c453ac9bdd), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d0727fcc2f843ff2, 64353fa843aa8302), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (4629fa80114136f8, 84c41d4773592805), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (69b8a8aac6e0ed96, 822c17b13b85d3c2), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (eca90b586576db8e, 28329cd3ed984538), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6fbc221d131c7c03, d703dcf6dfae9998), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (af0e35b5e9078d25, f539a7bd969e06fc), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (9e69b2f25feea0b9, 27635b9d3be2fb0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (4afef322ece245fb, c1fd3f253b722653), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (2caa0f475184dce8, 7d494138d760d3cb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (3751e3e4eda31a57, f916cfdbb09b2e14), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ed16206b0559fef3, 529d8c1a02ef4226), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (3aa32929d4581867, 38936377808da70), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (71d1d1f60a3e861a, 3ae570dcd260b35c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (17d1401f88a448c4, 5d9b1f450470e3e0), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (a3c2e484ba8c6d77, cfa3446b5364dd11), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (a918f36fe0698782, 6f0c88cba8da0abf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (9d0816ff9a89ee90, af783e68cde2d03), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1751d764d0f1db1d, 2f67632be5cc0a1d), 40, 40
[INFO] [stderr] SG_CR_Eslkdjf: cc, (8afb7b1bef167d12, 7ae75d7e34687b17), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1ba5381b1d0720ab, 3a4f89963241c59b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (68948f3c67de6e60, 549ae4f31ba80fc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ab41faad55458a39, 4c0a86423507d370), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (26f38571c242844d, ec2dc2732ec6178), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (5e78d72144a94f4b, 280af7c628d0c7c0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (e0d6cb96e5bd466b, 451600a0b50c8695), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d2d0f291e74a694a, 245871224bab08f6), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (fceca50e1edaaf22, 48e967305453d5ae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6b3cac68eb3f686b, f414932d835aed6c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6da30f9565fc5700, a6cbefd0ecb64fbe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (156cc2c2bd576fd4, d519ed5f7f3c68af), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (39cd7023a6177814, bad49dc2f902db96), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (62c1447d994bb3af, b96b161a1ce02d0d), 0, 0
[INFO] [stderr]    Compiling minilzo-sys v0.1.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling minilzo v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (7b38ce6dd879c5b6, 256d6e86640f3819), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (b1d7f324b43ddc50, eebdf16c34a827a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (bab35fd650585541, 49284a2667ddafc6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (978a0a0528a75cf2, 2667a888117e2ae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (8affbf32993ebcea, a060db17926eabd4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (65361f9a4321c42d, 2ec139576fb6499b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fab6e396f4e9f2e1, 3d8276d32908aca0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f707d82288286a8d, 480a941af05f3753), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (7ce38c2cda80c1bb, 78544d10ec11320b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bbf9803e37e2d899, 426ea9022782658f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f07c097cd7f4986f, 35a47f86217c6318), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (28282e286be301c6, a7b05ab5a3eeb5d1), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (4ba3a3cda820b6c0, ad29bb2718dd8076), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8209f50e2d559d8, 7c2c5c2b2c0c67a9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (71d1213ee4d0025b, 4881fee7e814726a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (4a059403537e5412, d49688085aab9d8b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (84242ec6363077d5, eb6b2b944b4dea54), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8d9afc8cdc92afdd, 98ab5ea81d21fcb4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (e4ae9e47874ad1bc, 7d6aa3a1a06f702b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bf8dd7db0268cd5e, af52543cda97af34), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (cab5630e092449aa, 140970dc957adf7c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (80f4662825cc907, f0488cb920d14f0d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fa49e80ee4144f1b, 6f703148dc262e89), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (303d430adbed1c48, 5bcf69a9c2ee13d6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (b9a4143995289134, 633204116371e896), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (7e0cb9ee2a0917e7, 8e3126ec873dc903), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (319f7d668ae4f567, 8cdbb3dee7414e44), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (a480e1e04a3cfac9, fc76d8a3d886f5b3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (86a07c3137a85495, 47a3320883f1b02b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d26ea3c887503342, a3b6747a6abc3964), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5cf8bd695bcabc3, 310cb290f20fdf38), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8c6ed43e47044e83, 7c04708b0e117a39), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (6b5f48562a435085, d76ec764c9417a5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fc080573d358e7d9, 8e611c5b763359a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d78e29d2c7a7f179, 40c3df256498a879), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (79451882e0f3ebe4, 47877a3b992c175e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bc81bbaf95e201e8, 6ad7502a1458f984), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (434081ca2f6f5de1, 288072c26671f843), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f8a8d8e3cf03fbc2, 89b19f099a87bbd8), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9d9864317c70c745, 4a611d726c590f80), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fbcf2f6da8cd28ba, ebbeff7412e680d4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (88f9ff989fd06d41, 71a90bc248c12ebb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fa868b9cba3305a3, d241f413e55d9b3e), 0, 0
[INFO] [stderr]    Compiling btrfs2 v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[ macro_use ]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:228:42
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 BTRFS_EXTENT_DATA_LZO_COMPRESSION => try! (
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/diskformat/tree/root_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::imports::*`
[INFO] [stdout]  --> src/linux/ctypes/ioctl_constants.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linux::imports::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:278:2
[INFO] [stdout]     |
[INFO] [stdout] 278 |     try! (
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:203:3
[INFO] [stdout]     |
[INFO] [stdout] 203 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/filesystem_info.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/space_info.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 io_error.description ())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/fiemap.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |     if let Err(e) = fiemap_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if let Err(e) = get_fs_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     if let Err(e) = get_dev_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/space_info.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     if let Err(e) = get_space_args_real_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 |                         self.data ().other_encoding)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lzo2a_decompress`
[INFO] [stdout]   --> src/compress/lzo.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     fn lzo2a_decompress (
[INFO] [stdout] 29 | |         src: * const u8,
[INFO] [stdout] 30 | |         src_len: libc::c_uint,
[INFO] [stdout] 31 | |         dst: * const u8,
[INFO] [stdout] 32 | |         dst_len: * mut libc::c_uint,
[INFO] [stdout] 33 | |         wrkmem: * const u8,
[INFO] [stdout] 34 | |     ) -> libc::c_int;
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `superblock`
[INFO] [stdout]   --> src/diskformat/superblock.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     superblock: & 'a BtrfsSuperblock,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/compress/lzo.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 |             error)
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 116 |             "{}", error)
[INFO] [stdout]     |             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:317:7
[INFO] [stdout]     |
[INFO] [stdout] 317 | /                         format! (
[INFO] [stdout] 318 | |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 | |                             self.data ().compression)),
[INFO] [stdout]     | |_____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 317 ~                         
[INFO] [stdout] 318 |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 ~                             self.data ().compression),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:109:2
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     io::stderr ().write_all (
[INFO] [stdout] 110 | |         b"LZO\r\n");
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     io::stderr ().write_all (
[INFO] [stdout] 121 | |         b"LZO2\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:148:2
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     io::stderr ().write_all (
[INFO] [stdout] 149 | |         b"LZO3\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | / io::stdout ().write_fmt (
[INFO] [stdout] 237 | |     format_args! (
[INFO] [stdout] 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
[INFO] [stdout] 239 | |         raw_data.len (),
[INFO] [stdout] 240 | |         uncompressed_data.len ()));
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (4a0e41df45083dbd, 7fa2362be39a667a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (6fe8d717920a8eb2, 417bcd0bc84ae912), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (864350ab88e4a94d, b8932affdc269aec), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (a981f517149b8b23, dd93597ebfb0774d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (b3ef85aa25a4afce, cb0da6e537888323), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (192ff1d97275e1ed, 4ceb4c812993a96c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (9b973b83b3df1335, 56b84f665d887a9f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (854f612587f8289a, be2baee2049ee17a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (f8a9b03530dec7a2, 9d25035d43d8942f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (198395c797097122, aa1b77f2cbffcab3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (3e75f0ae8befd308, b4100979ba1c74b0), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (3772ecb75e4a93b2, ae050c03c635ee52), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (692b51b3dc9076f4, 810eebdd43288a6b), 0, 0
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "88ad60db152e58539b5eea2be2e5315bb8dd6ed95fee0442a777c5d5d29d89ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ad60db152e58539b5eea2be2e5315bb8dd6ed95fee0442a777c5d5d29d89ae", kill_on_drop: false }`
[INFO] [stdout] 88ad60db152e58539b5eea2be2e5315bb8dd6ed95fee0442a777c5d5d29d89ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba8529192818ae345cb3dd68c62fac871079335950a327e078f4b5be3e0cc69f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba8529192818ae345cb3dd68c62fac871079335950a327e078f4b5be3e0cc69f", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (75b84863966839e5, 8a92c743b00988cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6a13c88e0bef3837, 6517342aa448ffe2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (842d77115ebe02b5, 5e8fae4dcb611aa8), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (7d14eb394b260dc3, 948a454e59845f96), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1536d372def1fe59, 77e76ac2a294f455), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (5a5895cf2ff2b54e, 2cfcbdb125a012f4), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (85ef32f12aa13aca, 422a1c58d9e22be6), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ace73889e8c42b42, 20cf0a9e5cea761d), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ce830a220df94597, c08482c4aa2f90d9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (fd0f67047684d97, 240405835b71cba9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (b6e900fa4ab0e995, 4d95e1a6397ecc3c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (54d9b57557e3c366, c2a434dbdd0729c5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (84ec28c09535e465, 13aadfb187baa89c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d6ad7473886d9f66, d7d530c453ac9bdd), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d0727fcc2f843ff2, 64353fa843aa8302), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (4629fa80114136f8, 84c41d4773592805), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (69b8a8aac6e0ed96, 822c17b13b85d3c2), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (eca90b586576db8e, 28329cd3ed984538), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6fbc221d131c7c03, d703dcf6dfae9998), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: cc, (af0e35b5e9078d25, f539a7bd969e06fc), 24, 24
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[ macro_use ]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (9e69b2f25feea0b9, 27635b9d3be2fb0), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:228:42
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 BTRFS_EXTENT_DATA_LZO_COMPRESSION => try! (
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (4afef322ece245fb, c1fd3f253b722653), 8, 16
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/diskformat/tree/root_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (2caa0f475184dce8, 7d494138d760d3cb), 0, 0
[INFO] [stdout] warning: unused import: `linux::imports::*`
[INFO] [stdout]  --> src/linux/ctypes/ioctl_constants.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linux::imports::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (3751e3e4eda31a57, f916cfdbb09b2e14), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ed16206b0559fef3, 529d8c1a02ef4226), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (3aa32929d4581867, 38936377808da70), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:278:2
[INFO] [stdout]     |
[INFO] [stdout] 278 |     try! (
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: cc, (71d1d1f60a3e861a, 3ae570dcd260b35c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (17d1401f88a448c4, 5d9b1f450470e3e0), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (a3c2e484ba8c6d77, cfa3446b5364dd11), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (a918f36fe0698782, 6f0c88cba8da0abf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (9d0816ff9a89ee90, af783e68cde2d03), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1751d764d0f1db1d, 2f67632be5cc0a1d), 40, 40
[INFO] [stderr] SG_CR_Eslkdjf: cc, (8afb7b1bef167d12, 7ae75d7e34687b17), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (1ba5381b1d0720ab, 3a4f89963241c59b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (68948f3c67de6e60, 549ae4f31ba80fc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (ab41faad55458a39, 4c0a86423507d370), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (26f38571c242844d, ec2dc2732ec6178), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (5e78d72144a94f4b, 280af7c628d0c7c0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (e0d6cb96e5bd466b, 451600a0b50c8695), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (d2d0f291e74a694a, 245871224bab08f6), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: cc, (fceca50e1edaaf22, 48e967305453d5ae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6b3cac68eb3f686b, f414932d835aed6c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (6da30f9565fc5700, a6cbefd0ecb64fbe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (156cc2c2bd576fd4, d519ed5f7f3c68af), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: cc, (39cd7023a6177814, bad49dc2f902db96), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: cc, (62c1447d994bb3af, b96b161a1ce02d0d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: uuid, (a0a339f44f536b5d, 19d0364b1290fbe1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (65361f9a4321c42d, 2ec139576fb6499b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fab6e396f4e9f2e1, 3d8276d32908aca0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f707d82288286a8d, 480a941af05f3753), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (7ce38c2cda80c1bb, 78544d10ec11320b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bbf9803e37e2d899, 426ea9022782658f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f07c097cd7f4986f, 35a47f86217c6318), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (28282e286be301c6, a7b05ab5a3eeb5d1), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (4ba3a3cda820b6c0, ad29bb2718dd8076), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8209f50e2d559d8, 7c2c5c2b2c0c67a9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (71d1213ee4d0025b, 4881fee7e814726a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (4a059403537e5412, d49688085aab9d8b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (84242ec6363077d5, eb6b2b944b4dea54), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8d9afc8cdc92afdd, 98ab5ea81d21fcb4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (e4ae9e47874ad1bc, 7d6aa3a1a06f702b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bf8dd7db0268cd5e, af52543cda97af34), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (cab5630e092449aa, 140970dc957adf7c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (80f4662825cc907, f0488cb920d14f0d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fa49e80ee4144f1b, 6f703148dc262e89), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (303d430adbed1c48, 5bcf69a9c2ee13d6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (b9a4143995289134, 633204116371e896), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (7e0cb9ee2a0917e7, 8e3126ec873dc903), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (319f7d668ae4f567, 8cdbb3dee7414e44), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (a480e1e04a3cfac9, fc76d8a3d886f5b3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (86a07c3137a85495, 47a3320883f1b02b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d26ea3c887503342, a3b6747a6abc3964), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5cf8bd695bcabc3, 310cb290f20fdf38), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8c6ed43e47044e83, 7c04708b0e117a39), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (6b5f48562a435085, d76ec764c9417a5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fc080573d358e7d9, 8e611c5b763359a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d78e29d2c7a7f179, 40c3df256498a879), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (79451882e0f3ebe4, 47877a3b992c175e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bc81bbaf95e201e8, 6ad7502a1458f984), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (434081ca2f6f5de1, 288072c26671f843), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f8a8d8e3cf03fbc2, 89b19f099a87bbd8), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9d9864317c70c745, 4a611d726c590f80), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fbcf2f6da8cd28ba, ebbeff7412e680d4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (88f9ff989fd06d41, 71a90bc248c12ebb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fa868b9cba3305a3, d241f413e55d9b3e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (7b38ce6dd879c5b6, 256d6e86640f3819), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (b1d7f324b43ddc50, eebdf16c34a827a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (bab35fd650585541, 49284a2667ddafc6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (978a0a0528a75cf2, 2667a888117e2ae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: flate2, (8affbf32993ebcea, a060db17926eabd4), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (4a0e41df45083dbd, 7fa2362be39a667a), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:203:3
[INFO] [stdout]     |
[INFO] [stdout] 203 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (6fe8d717920a8eb2, 417bcd0bc84ae912), 8, 16
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (864350ab88e4a94d, b8932affdc269aec), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (a981f517149b8b23, dd93597ebfb0774d), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (b3ef85aa25a4afce, cb0da6e537888323), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/filesystem_info.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (192ff1d97275e1ed, 4ceb4c812993a96c), 0, 0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/space_info.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (9b973b83b3df1335, 56b84f665d887a9f), 0, 0
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 io_error.description ())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (854f612587f8289a, be2baee2049ee17a), 0, 0
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/fiemap.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |     if let Err(e) = fiemap_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (f8a9b03530dec7a2, 9d25035d43d8942f), 0, 0
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if let Err(e) = get_fs_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (198395c797097122, aa1b77f2cbffcab3), 0, 0
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     if let Err(e) = get_dev_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (3e75f0ae8befd308, b4100979ba1c74b0), 16, 24
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/space_info.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     if let Err(e) = get_space_args_real_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (3772ecb75e4a93b2, ae050c03c635ee52), 0, 0
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 |                         self.data ().other_encoding)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: btrfs2, (692b51b3dc9076f4, 810eebdd43288a6b), 0, 0
[INFO] [stdout] warning: function is never used: `lzo2a_decompress`
[INFO] [stdout]   --> src/compress/lzo.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     fn lzo2a_decompress (
[INFO] [stdout] 29 | |         src: * const u8,
[INFO] [stdout] 30 | |         src_len: libc::c_uint,
[INFO] [stdout] 31 | |         dst: * const u8,
[INFO] [stdout] 32 | |         dst_len: * mut libc::c_uint,
[INFO] [stdout] 33 | |         wrkmem: * const u8,
[INFO] [stdout] 34 | |     ) -> libc::c_int;
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling btrfs2 v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `superblock`
[INFO] [stdout]   --> src/diskformat/superblock.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     superblock: & 'a BtrfsSuperblock,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/compress/lzo.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 |             error)
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 116 |             "{}", error)
[INFO] [stdout]     |             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:317:7
[INFO] [stdout]     |
[INFO] [stdout] 317 | /                         format! (
[INFO] [stdout] 318 | |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 | |                             self.data ().compression)),
[INFO] [stdout]     | |_____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 317 ~                         
[INFO] [stdout] 318 |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 ~                             self.data ().compression),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:109:2
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     io::stderr ().write_all (
[INFO] [stdout] 110 | |         b"LZO\r\n");
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     io::stderr ().write_all (
[INFO] [stdout] 121 | |         b"LZO2\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:148:2
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     io::stderr ().write_all (
[INFO] [stdout] 149 | |         b"LZO3\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | / io::stdout ().write_fmt (
[INFO] [stdout] 237 | |     format_args! (
[INFO] [stdout] 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
[INFO] [stdout] 239 | |         raw_data.len (),
[INFO] [stdout] 240 | |         uncompressed_data.len ()));
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[ macro_use ]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:228:42
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 BTRFS_EXTENT_DATA_LZO_COMPRESSION => try! (
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/diskformat/tree/root_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::imports::*`
[INFO] [stdout]  --> src/linux/ctypes/ioctl_constants.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linux::imports::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/types/file_descriptor.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:278:2
[INFO] [stdout]     |
[INFO] [stdout] 278 |     try! (
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:203:3
[INFO] [stdout]     |
[INFO] [stdout] 203 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/fiemap.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linux/operations/filesystem_info.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 |             try! (
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux/operations/space_info.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/linux/operations/deduplicate.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 io_error.description ())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/fiemap.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |     if let Err(e) = fiemap_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if let Err(e) = get_fs_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/linux/operations/filesystem_info.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     if let Err(e) = get_dev_info_result {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/linux/operations/space_info.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     if let Err(e) = get_space_args_real_result {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 |                         self.data ().other_encoding)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lzo2a_decompress`
[INFO] [stdout]   --> src/compress/lzo.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     fn lzo2a_decompress (
[INFO] [stdout] 29 | |         src: * const u8,
[INFO] [stdout] 30 | |         src_len: libc::c_uint,
[INFO] [stdout] 31 | |         dst: * const u8,
[INFO] [stdout] 32 | |         dst_len: * mut libc::c_uint,
[INFO] [stdout] 33 | |         wrkmem: * const u8,
[INFO] [stdout] 34 | |     ) -> libc::c_int;
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `superblock`
[INFO] [stdout]   --> src/diskformat/superblock.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     superblock: & 'a BtrfsSuperblock,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/compress/lzo.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 |             error)
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 116 |             "{}", error)
[INFO] [stdout]     |             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:317:7
[INFO] [stdout]     |
[INFO] [stdout] 317 | /                         format! (
[INFO] [stdout] 318 | |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 | |                             self.data ().compression)),
[INFO] [stdout]     | |_____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 317 ~                         
[INFO] [stdout] 318 |                             "Unrecognised inline extent data compression {}",
[INFO] [stdout] 319 ~                             self.data ().compression),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:109:2
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     io::stderr ().write_all (
[INFO] [stdout] 110 | |         b"LZO\r\n");
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     io::stderr ().write_all (
[INFO] [stdout] 121 | |         b"LZO2\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compress/lzo.rs:148:2
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     io::stderr ().write_all (
[INFO] [stdout] 149 | |         b"LZO3\r\n");
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/diskformat/item/extent_data.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | / io::stdout ().write_fmt (
[INFO] [stdout] 237 | |     format_args! (
[INFO] [stdout] 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
[INFO] [stdout] 239 | |         raw_data.len (),
[INFO] [stdout] 240 | |         uncompressed_data.len ()));
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "ba8529192818ae345cb3dd68c62fac871079335950a327e078f4b5be3e0cc69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8529192818ae345cb3dd68c62fac871079335950a327e078f4b5be3e0cc69f", kill_on_drop: false }`
[INFO] [stdout] ba8529192818ae345cb3dd68c62fac871079335950a327e078f4b5be3e0cc69f