[INFO] fetching crate filecmp 0.2.0...
[INFO] testing filecmp-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate filecmp 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate filecmp 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filecmp 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate filecmp 0.2.0
[INFO] tweaked toml for crates.io crate filecmp 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate filecmp 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 998066e7fffa5fff9954380a036b0356454cc448f6d7cff29a650156d8e0a618
[INFO] running `Command { std: "docker" "start" "-a" "998066e7fffa5fff9954380a036b0356454cc448f6d7cff29a650156d8e0a618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998066e7fffa5fff9954380a036b0356454cc448f6d7cff29a650156d8e0a618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998066e7fffa5fff9954380a036b0356454cc448f6d7cff29a650156d8e0a618", kill_on_drop: false }`
[INFO] [stdout] 998066e7fffa5fff9954380a036b0356454cc448f6d7cff29a650156d8e0a618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e6b31249cc00dcb8a0c587c981e9ca1ecbb83a2d30ef0ce3c834edd942b3678
[INFO] running `Command { std: "docker" "start" "-a" "4e6b31249cc00dcb8a0c587c981e9ca1ecbb83a2d30ef0ce3c834edd942b3678", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling filecmp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `st_ino`
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_dev`
[INFO] [stdout]   --> src/os.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_nlink`
[INFO] [stdout]   --> src/os.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_uid`
[INFO] [stdout]   --> src/os.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_gid`
[INFO] [stdout]   --> src/os.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4e6b31249cc00dcb8a0c587c981e9ca1ecbb83a2d30ef0ce3c834edd942b3678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6b31249cc00dcb8a0c587c981e9ca1ecbb83a2d30ef0ce3c834edd942b3678", kill_on_drop: false }`
[INFO] [stdout] 4e6b31249cc00dcb8a0c587c981e9ca1ecbb83a2d30ef0ce3c834edd942b3678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b30ab802251f4f9294d9944414cdd8e0db1a57fae3d2a309368527eb2726373
[INFO] running `Command { std: "docker" "start" "-a" "8b30ab802251f4f9294d9944414cdd8e0db1a57fae3d2a309368527eb2726373", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stdout] warning: field is never read: `st_ino`
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_dev`
[INFO] [stdout]   --> src/os.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_nlink`
[INFO] [stdout]   --> src/os.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_uid`
[INFO] [stdout]   --> src/os.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_gid`
[INFO] [stdout]   --> src/os.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling filecmp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `st_ino`
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_dev`
[INFO] [stdout]   --> src/os.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_nlink`
[INFO] [stdout]   --> src/os.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_uid`
[INFO] [stdout]   --> src/os.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st_gid`
[INFO] [stdout]   --> src/os.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "8b30ab802251f4f9294d9944414cdd8e0db1a57fae3d2a309368527eb2726373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b30ab802251f4f9294d9944414cdd8e0db1a57fae3d2a309368527eb2726373", kill_on_drop: false }`
[INFO] [stdout] 8b30ab802251f4f9294d9944414cdd8e0db1a57fae3d2a309368527eb2726373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb54f98369c131efb83382cba36f50f5486f251d93b53a93c8e377692d22a9c9
[INFO] running `Command { std: "docker" "start" "-a" "eb54f98369c131efb83382cba36f50f5486f251d93b53a93c8e377692d22a9c9", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `st_ino`
[INFO] [stderr]   --> src/os.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     st_ino: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st_dev`
[INFO] [stderr]   --> src/os.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     st_dev: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st_nlink`
[INFO] [stderr]   --> src/os.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     st_nlink: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st_uid`
[INFO] [stderr]   --> src/os.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     st_uid: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st_gid`
[INFO] [stderr]   --> src/os.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     st_gid: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `filecmp` (lib) generated 5 warnings
[INFO] [stderr] warning: `filecmp` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/filecmp-531ceedb06c6e7d3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test os::tests::test_stat ... ok
[INFO] [stdout] test tests::test_stat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filecmp
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/os.rs - os (line 12) ... ignored
[INFO] [stdout] test src/lib.rs - cmp (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb54f98369c131efb83382cba36f50f5486f251d93b53a93c8e377692d22a9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb54f98369c131efb83382cba36f50f5486f251d93b53a93c8e377692d22a9c9", kill_on_drop: false }`
[INFO] [stdout] eb54f98369c131efb83382cba36f50f5486f251d93b53a93c8e377692d22a9c9