[INFO] fetching crate nix 0.20.1...
[INFO] building nix-0.20.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate nix 0.20.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate nix 0.20.1 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 nix 0.20.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nix 0.20.1
[INFO] tweaked toml for crates.io crate nix 0.20.1 written to /workspace/builds/worker-79/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded caps v0.5.2
[INFO] [stderr]   Downloaded sysctl v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] ac98e58403208f6422ac55bc949a40038bae20df72eee9e9b39fb02198ef042b
[INFO] running `Command { std: "docker" "start" "-a" "ac98e58403208f6422ac55bc949a40038bae20df72eee9e9b39fb02198ef042b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac98e58403208f6422ac55bc949a40038bae20df72eee9e9b39fb02198ef042b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac98e58403208f6422ac55bc949a40038bae20df72eee9e9b39fb02198ef042b", kill_on_drop: false }`
[INFO] [stdout] ac98e58403208f6422ac55bc949a40038bae20df72eee9e9b39fb02198ef042b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] d9634dfb34f2c88b1c9cedec562f27dc7884b08ce004686cf6cc992b29537c67
[INFO] running `Command { std: "docker" "start" "-a" "d9634dfb34f2c88b1c9cedec562f27dc7884b08ce004686cf6cc992b29537c67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (7f82c2a1645257d7, 8e4b7dc48566a6c7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (d318f0ec49d2844c, 9963dc6836664ff6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (10275bade51f3a64, 1a4993f89775eba9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (ad71db94d2b0dded, b3dc5e463857ea36), 32, 32
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (82926ac54d2532ce, 8542c3146f879d7f), 32, 32
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (47682469233aa24e, 6234a8c7872b30b8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (2f2196d24a853f8a, 7c1449fef3a08a41), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (65e85fdf8a9e1307, 8abe54fcfafac5c9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (ece079b67c37958b, 2ad04b3daca5c227), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (680b341ec5c76adc, 6c9b8c7d6ea4fc6a), 0, 0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr] SG_CR_Eslkdjf: libc, (f30dd149b8b158d4, a1cc979c712e7686), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (d16a5fa9e8fe4a5d, a6d70709ac5d0d79), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (492510e888d1503a, c280f030b4f0d583), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (e4669c1677f8e55, 1327151bc9a76670), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (31aa558f394f12cc, cf8b0f0a36fd57c7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (9a3b12fb34af4dab, 1cd5796cdb6d1baa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (342751321b0d3dd2, 90ad3ef0a5c9b544), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (bc1b38718e093f38, 5c0c4dfc11e856c1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (edfd8354416ffb87, ae2f02dcb27e01fb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (bf03031f65a77bcc, a908f61877d16c83), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (f8918c5d7e984077, 665b32a0bfc453f2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (959bf129b3146d66, 5307a176dcfc5431), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (d5296b43713183ce, 964a64cede33a57), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (50f9b836f6c41fe8, 2e8ea6d04ae84a7e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (7e545becf944e1b0, 1b84edd82c76eb5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (4ab2283fc96d3dc6, f00ffccea33c1516), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: libc, (1c8866681c788258, 2e85382d63e043e8), 0, 0
[INFO] [stderr]    Compiling nix v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: nix, (76a8a383aa8605a5, 6b694b010e36a87c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (2d7271adeb406d0f, b244ef3723a4db64), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f6549b18390e1ba, 3c8c89b3d6884ed2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (86676ffa62316794, b93b166a46efb914), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5e2ef88d8f0ff1e0, 8786c37ff70b17cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (b0521f735b994cea, e43c62bde6bce116), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (a4a7e72aaf33f871, ebb794c621302011), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (84b00f8b5f011998, 9e4c5b560dc74b72), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (47012194b743e512, d647a0ded3b4fd8), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (c03a5959bf3f056f, 968dde974186d919), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (87ed7d734bfc2d59, 20d7bdccb8b1ee67), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8a646c37c45d72e3, 8729aef1e3784238), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (3f20a47833974f5c, 96cb0ae3254f3f46), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (18e6e7671a7ac6e3, c3b76e2c4ac843e1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bb13484900a4069b, 88b8ceefb514e8ac), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d064f3d0f6acedd7, 3fec67b04e20a8e1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (84cb781a17a2255f, 89332737d2fe243f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (ff9349c4d0c85a4f, f5384efd4da9081e), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (ccd1be8e9d39baa9, 3ce34802412cc706), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (122828311e661ac9, 11fb3f9b32463f5), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (6456aff11a966fdd, 78f8f9b91d97c8c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5ec830415853a83c, 58352d1da04e0acc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (8c12bf705bced599, 773777a38925ddb7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (3599812cd1a1dfee, fba9e51287f9317b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (e92ba0d9529b745a, 804aa11404e7519c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (bd90c1aed94f9448, 6d6bf88090fd5a51), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (986009369305bad9, 8fa26cb0268ab50f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (6332b7332724524a, 75df9653253ce574), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (581c935f7860fc0e, f19d9c2dac7b17de), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (3b6b61799f71c7c6, 60967033bbca646d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (749b47965577ffb6, 24c63f319b5eefde), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5ad6d168874dffbc, a135a73c47b05001), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (410ecf54ffcf0d73, a2b1aa613e4cc388), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9bccd19fbac29ac0, f3092bb1a2e4f5b8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f0a2cbe0fc123ab8, 1e248e60ec52dc44), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (cea95a125c9a0798, df531269687c29dd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (ac3c71a5ef44a740, daa23d05d1288a23), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (877e44f70979e340, 630da28288234006), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (1d15ade4765a002b, d8dd3233f3506214), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (40402c7bb303abc6, add39d58056863f6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (259dcd81431feaab, 1bf8c17a51f9ca15), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (a0a9968f1d92ba82, 86324fd1071e8e6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (7847ee51da4ddce2, 3b7858f53ea24d59), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (b3142197203cf63b, 7c041db8dc4188e5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (c7fc9784f1e2ccba, b46538cd0e8551d5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9325b417af87b322, 287d922589cde026), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (666d4dce57f79777, 987bc607a07f812f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (82c8a403e9c317e9, 8f39ffd6fc10df19), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (47769ba4aeed3f5a, aad06f4325bcaefe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d0086a15fa3667cb, 19aca64fa793d7f9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9104a86ff5eb7259, a84f91c8eb68a54f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (32981cf385eb354e, 7a7597571f69bb45), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (f1fad618f10ea860, 7d7b1cb7b51f6ad0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (48a460936e226e61, 545088a289d4818e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9f39cbab6399f288, 97e0a6652554bcf2), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (db864fc20f2f3fa1, 67660c7e67a4f48d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d2f2969d4f837da6, d5ef7593aed8bfae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (1b43f68e1f4f3ccf, 82a88267493626b4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (d7adf650df45c801, b5527e9e067b1ae), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: nix, (c37ef60bf971ea0, 28be0e149b77de95), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (13657c8f9a803a33, 6d2b4e75f764060c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (727cb639b9242bfd, f6dd287e81d19c76), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fc15648ff82ca0f6, f563dc4e5a3eb23d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (dbe7378e37a054f, 22b0b2610b3c3929), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (df1f8a0930752acd, aa92025d285eab06), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (417196f3bbbfd368, f15da46761bde10b), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (fa8dfc1e25b4350d, b4c3fdc0ac43e0f4), 0, 0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "d9634dfb34f2c88b1c9cedec562f27dc7884b08ce004686cf6cc992b29537c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9634dfb34f2c88b1c9cedec562f27dc7884b08ce004686cf6cc992b29537c67", kill_on_drop: false }`
[INFO] [stdout] d9634dfb34f2c88b1c9cedec562f27dc7884b08ce004686cf6cc992b29537c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] db7b50369c530ca93ce4ce8bcd9ad88fe5f542afae6aab233cb95d1601511c48
[INFO] running `Command { std: "docker" "start" "-a" "db7b50369c530ca93ce4ce8bcd9ad88fe5f542afae6aab233cb95d1601511c48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "db7b50369c530ca93ce4ce8bcd9ad88fe5f542afae6aab233cb95d1601511c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7b50369c530ca93ce4ce8bcd9ad88fe5f542afae6aab233cb95d1601511c48", kill_on_drop: false }`
[INFO] [stdout] db7b50369c530ca93ce4ce8bcd9ad88fe5f542afae6aab233cb95d1601511c48