[INFO] fetching crate btrfsutil-fake 0.2.0-8324fe2...
[INFO] checking btrfsutil-fake-0.2.0-8324fe2 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate btrfsutil-fake 0.2.0-8324fe2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate btrfsutil-fake 0.2.0-8324fe2 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfsutil-fake 0.2.0-8324fe2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil-fake 0.2.0-8324fe2
[INFO] tweaked toml for crates.io crate btrfsutil-fake 0.2.0-8324fe2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate btrfsutil-fake 0.2.0-8324fe2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loopdev v0.2.2
[INFO] [stderr]   Downloaded errno v0.3.4
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded btrfsutil-sys v1.3.0
[INFO] [stderr]   Downloaded prettyplease v0.2.15
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] [stderr]   Downloaded bindgen v0.66.1
[INFO] [stderr]   Downloaded regex-automata v0.3.9
[INFO] [stderr]   Downloaded regex v1.9.6
[INFO] [stderr]   Downloaded rustix v0.38.15
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aaa05a698c9fbafb276cf6f2538970da95c215c9448bc85787fd6cbf50f1ec5
[INFO] running `Command { std: "docker" "start" "-a" "0aaa05a698c9fbafb276cf6f2538970da95c215c9448bc85787fd6cbf50f1ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aaa05a698c9fbafb276cf6f2538970da95c215c9448bc85787fd6cbf50f1ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aaa05a698c9fbafb276cf6f2538970da95c215c9448bc85787fd6cbf50f1ec5", kill_on_drop: false }`
[INFO] [stdout] 0aaa05a698c9fbafb276cf6f2538970da95c215c9448bc85787fd6cbf50f1ec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71db047e5fff280d2940659228e745054d477d7e135cdbc8888281f9d83ee782
[INFO] running `Command { std: "docker" "start" "-a" "71db047e5fff280d2940659228e745054d477d7e135cdbc8888281f9d83ee782", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling loopdev v0.2.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]     Checking btrfsutil-fake v0.2.0-8324fe2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/subvolume/subvol.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 407 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]   --> src/testing/loopbacked.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tempfile::{self, TempDir};
[INFO] [stdout]    |                ^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::loopbacked::test_with_spec;
[INFO] [stdout]    | ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:23
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![deny(missing_docs, unreachable_pub)]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::test_lib::btrfs_create_fs;
[INFO] [stdout]    | ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/loopbacked.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct LoopTestDev {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/loopbacked.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 |   pub fn test_with_spec<F>(count: u8, test: F)
[INFO] [stdout]    |   ^--
[INFO] [stdout]    |   |
[INFO] [stdout]    |  _help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    | |
[INFO] [stdout] 80 | | where
[INFO] [stdout] 81 | |     F: Fn(&[&Path]) + panic::RefUnwindSafe,
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/test_lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn btrfs_create_fs(devnode: &Path) -> io::Result<()> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/test_lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn clean_up() -> io::Result<()> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btrfsutil-fake` (lib test) due to 7 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "71db047e5fff280d2940659228e745054d477d7e135cdbc8888281f9d83ee782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71db047e5fff280d2940659228e745054d477d7e135cdbc8888281f9d83ee782", kill_on_drop: false }`
[INFO] [stdout] 71db047e5fff280d2940659228e745054d477d7e135cdbc8888281f9d83ee782
[INFO] checking btrfsutil-fake-0.2.0-8324fe2 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate btrfsutil-fake 0.2.0-8324fe2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate btrfsutil-fake 0.2.0-8324fe2 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfsutil-fake 0.2.0-8324fe2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil-fake 0.2.0-8324fe2
[INFO] tweaked toml for crates.io crate btrfsutil-fake 0.2.0-8324fe2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate btrfsutil-fake 0.2.0-8324fe2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea7bb51825129e6917b03f48c27121b40ebe5861284f95cb3bf24f5746110973
[INFO] running `Command { std: "docker" "start" "-a" "ea7bb51825129e6917b03f48c27121b40ebe5861284f95cb3bf24f5746110973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7bb51825129e6917b03f48c27121b40ebe5861284f95cb3bf24f5746110973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7bb51825129e6917b03f48c27121b40ebe5861284f95cb3bf24f5746110973", kill_on_drop: false }`
[INFO] [stdout] ea7bb51825129e6917b03f48c27121b40ebe5861284f95cb3bf24f5746110973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b345b902c5c8515dd2da53dfed2d1cab5d7a1e9c7f5983abf006a1b01b5a2c26
[INFO] running `Command { std: "docker" "start" "-a" "b345b902c5c8515dd2da53dfed2d1cab5d7a1e9c7f5983abf006a1b01b5a2c26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling loopdev v0.2.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]     Checking btrfsutil-fake v0.2.0-8324fe2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/subvolume/subvol.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 407 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]   --> src/testing/loopbacked.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tempfile::{self, TempDir};
[INFO] [stdout]    |                ^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::loopbacked::test_with_spec;
[INFO] [stdout]    | ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:23
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![deny(missing_docs, unreachable_pub)]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::test_lib::btrfs_create_fs;
[INFO] [stdout]    | ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/loopbacked.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct LoopTestDev {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/loopbacked.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 |   pub fn test_with_spec<F>(count: u8, test: F)
[INFO] [stdout]    |   ^--
[INFO] [stdout]    |   |
[INFO] [stdout]    |  _help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    | |
[INFO] [stdout] 80 | | where
[INFO] [stdout] 81 | |     F: Fn(&[&Path]) + panic::RefUnwindSafe,
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/test_lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn btrfs_create_fs(devnode: &Path) -> io::Result<()> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable `pub` item
[INFO] [stdout]   --> src/testing/test_lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn clean_up() -> io::Result<()> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btrfsutil-fake` (lib test) due to 7 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b345b902c5c8515dd2da53dfed2d1cab5d7a1e9c7f5983abf006a1b01b5a2c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b345b902c5c8515dd2da53dfed2d1cab5d7a1e9c7f5983abf006a1b01b5a2c26", kill_on_drop: false }`
[INFO] [stdout] b345b902c5c8515dd2da53dfed2d1cab5d7a1e9c7f5983abf006a1b01b5a2c26
