[INFO] cloning repository https://github.com/owtotwo/filecmp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/owtotwo/filecmp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowtotwo%2Ffilecmp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowtotwo%2Ffilecmp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33814fda1d215168827bfd0563174a121507149b
[INFO] testing owtotwo/filecmp-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowtotwo%2Ffilecmp-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owtotwo/filecmp-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/owtotwo/filecmp-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/owtotwo/filecmp-rs
[INFO] tweaked toml for git repo https://github.com/owtotwo/filecmp-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/owtotwo/filecmp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6696d1523c4f8abc53e6bcb6653ae370cc32f43bc8c495268565b41a2ca65368
[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" "6696d1523c4f8abc53e6bcb6653ae370cc32f43bc8c495268565b41a2ca65368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6696d1523c4f8abc53e6bcb6653ae370cc32f43bc8c495268565b41a2ca65368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6696d1523c4f8abc53e6bcb6653ae370cc32f43bc8c495268565b41a2ca65368", kill_on_drop: false }`
[INFO] [stdout] 6696d1523c4f8abc53e6bcb6653ae370cc32f43bc8c495268565b41a2ca65368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57728a0a97e3734b73a07ab9d9c14235bb8d4f87fce80d607a86d3c9174e0998
[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" "57728a0a97e3734b73a07ab9d9c14235bb8d4f87fce80d607a86d3c9174e0998", 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "57728a0a97e3734b73a07ab9d9c14235bb8d4f87fce80d607a86d3c9174e0998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57728a0a97e3734b73a07ab9d9c14235bb8d4f87fce80d607a86d3c9174e0998", kill_on_drop: false }`
[INFO] [stdout] 57728a0a97e3734b73a07ab9d9c14235bb8d4f87fce80d607a86d3c9174e0998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50eb71c9e8438c31c691668c6cf9f05b711ecf6d87347a6efd2f5c67ed954de
[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" "d50eb71c9e8438c31c691668c6cf9f05b711ecf6d87347a6efd2f5c67ed954de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[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] [stderr]    Compiling unicode-width v0.1.8
[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] [stderr]    Compiling ansi_term v0.11.0
[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] [stderr]    Compiling strsim v0.8.0
[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] [stderr]    Compiling vec_map v0.8.2
[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 9.95s
[INFO] running `Command { std: "docker" "inspect" "d50eb71c9e8438c31c691668c6cf9f05b711ecf6d87347a6efd2f5c67ed954de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50eb71c9e8438c31c691668c6cf9f05b711ecf6d87347a6efd2f5c67ed954de", kill_on_drop: false }`
[INFO] [stdout] d50eb71c9e8438c31c691668c6cf9f05b711ecf6d87347a6efd2f5c67ed954de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a7e6aab96ab548d307601f1b075e6e00d6d8487efaf36b008b6530d2ff0b521
[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" "2a7e6aab96ab548d307601f1b075e6e00d6d8487efaf36b008b6530d2ff0b521", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `st_ino`
[INFO] [stdout] running 2 tests
[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] test tests::test_stat ... ok
[INFO] [stderr]    Doc-tests filecmp
[INFO] [stdout] test os::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] [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 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a7e6aab96ab548d307601f1b075e6e00d6d8487efaf36b008b6530d2ff0b521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7e6aab96ab548d307601f1b075e6e00d6d8487efaf36b008b6530d2ff0b521", kill_on_drop: false }`
[INFO] [stdout] 2a7e6aab96ab548d307601f1b075e6e00d6d8487efaf36b008b6530d2ff0b521