[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 try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowtotwo%2Ffilecmp-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owtotwo/filecmp-rs on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9308a1d640d792a9a0d32bade55582ffe629cedee3ce48841aa01b8ad5775ae6
[INFO] running `Command { std: "docker" "start" "-a" "9308a1d640d792a9a0d32bade55582ffe629cedee3ce48841aa01b8ad5775ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9308a1d640d792a9a0d32bade55582ffe629cedee3ce48841aa01b8ad5775ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9308a1d640d792a9a0d32bade55582ffe629cedee3ce48841aa01b8ad5775ae6", kill_on_drop: false }`
[INFO] [stdout] 9308a1d640d792a9a0d32bade55582ffe629cedee3ce48841aa01b8ad5775ae6
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b92d9967d194a30700b0fa86d86c6fde77ea03a1d277c9a7e58271ad649f274
[INFO] running `Command { std: "docker" "start" "-a" "8b92d9967d194a30700b0fa86d86c6fde77ea03a1d277c9a7e58271ad649f274", kill_on_drop: false }`
[INFO] [stderr]    Compiling filecmp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `st_ino`, `st_dev`, `st_nlink`, `st_uid`, and `st_gid` are never read
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct StatResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 36 |     pub st_mode: u32,
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8b92d9967d194a30700b0fa86d86c6fde77ea03a1d277c9a7e58271ad649f274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b92d9967d194a30700b0fa86d86c6fde77ea03a1d277c9a7e58271ad649f274", kill_on_drop: false }`
[INFO] [stdout] 8b92d9967d194a30700b0fa86d86c6fde77ea03a1d277c9a7e58271ad649f274
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4745de10e51b756b5e4420276baad295daaba0f38a45e926ba857799139f0db2
[INFO] running `Command { std: "docker" "start" "-a" "4745de10e51b756b5e4420276baad295daaba0f38a45e926ba857799139f0db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stdout] warning: fields `st_ino`, `st_dev`, `st_nlink`, `st_uid`, and `st_gid` are never read
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct StatResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 36 |     pub st_mode: u32,
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: fields `st_ino`, `st_dev`, `st_nlink`, `st_uid`, and `st_gid` are never read
[INFO] [stdout]   --> src/os.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct StatResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 36 |     pub st_mode: u32,
[INFO] [stdout] 37 |     st_ino: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     st_dev: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     st_nlink: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     st_uid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 41 |     st_gid: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "4745de10e51b756b5e4420276baad295daaba0f38a45e926ba857799139f0db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4745de10e51b756b5e4420276baad295daaba0f38a45e926ba857799139f0db2", kill_on_drop: false }`
[INFO] [stdout] 4745de10e51b756b5e4420276baad295daaba0f38a45e926ba857799139f0db2
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca94b0496b7bfa9fc44774fadf84b48a45d7bfeef7ea9d7a2a09dc0eeab2adc
[INFO] running `Command { std: "docker" "start" "-a" "9ca94b0496b7bfa9fc44774fadf84b48a45d7bfeef7ea9d7a2a09dc0eeab2adc", kill_on_drop: false }`
[INFO] [stderr] warning: fields `st_ino`, `st_dev`, `st_nlink`, `st_uid`, and `st_gid` are never read
[INFO] [stderr]   --> src/os.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct StatResult {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 36 |     pub st_mode: u32,
[INFO] [stderr] 37 |     st_ino: u64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 38 |     st_dev: u64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 39 |     st_nlink: u64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 40 |     st_uid: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 41 |     st_gid: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StatResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `filecmp` (lib) generated 1 warning
[INFO] [stderr] warning: `filecmp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filecmp-7f54fcfc8c978230)
[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 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ca94b0496b7bfa9fc44774fadf84b48a45d7bfeef7ea9d7a2a09dc0eeab2adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca94b0496b7bfa9fc44774fadf84b48a45d7bfeef7ea9d7a2a09dc0eeab2adc", kill_on_drop: false }`
[INFO] [stdout] 9ca94b0496b7bfa9fc44774fadf84b48a45d7bfeef7ea9d7a2a09dc0eeab2adc