[INFO] cloning repository https://github.com/mre/fcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/fcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe216575a9889941ed012e2993b6a6fa66a1cb09
[INFO] testing mre/fcat against 1.99.0-beta.8 for beta-1.100-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mre/fcat
[INFO] finished tweaking git repo https://github.com/mre/fcat
[INFO] tweaked toml for git repo https://github.com/mre/fcat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mre/fcat on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mre/fcat 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fcat` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded getrandom v0.2.1
[INFO] [stderr]   Downloaded rand v0.8.1
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6
[INFO] running `Command { std: "docker" "start" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fcat` (manifest) generated 1 warning
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.26.1
[INFO] [stderr]    Compiling fcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fcat` (manifest) generated 1 warning
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling bstr v1.1.0
[INFO] [stderr]    Compiling proptest v1.1.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling assert_cmd v2.0.8
[INFO] [stderr]    Compiling fcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             out.stdout == content;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let _ = out.stdout == content;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             out.stdout == expected;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = out.stdout == expected;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             out.stdout == content;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let _ = out.stdout == content;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             out.stdout == content;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = out.stdout == content;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             out.stdout == expected;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let _ = out.stdout == expected;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/main.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             out.stdout == expected;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let _ = out.stdout == expected;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `Command { std: "docker" "inspect" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fcat` (manifest) generated 1 warning
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             out.stdout == content;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let _ = out.stdout == content;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             out.stdout == expected;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let _ = out.stdout == expected;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             out.stdout == content;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let _ = out.stdout == content;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             out.stdout == content;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let _ = out.stdout == content;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             out.stdout == expected;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let _ = out.stdout == expected;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             out.stdout == expected;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let _ = out.stdout == expected;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fcat` (bin "fcat" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fcat-0621f763c38400a6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration::cat_stdin_dash ... ok
[INFO] [stdout] test integration::cat_file_stdin ... ok
[INFO] [stdout] test integration::cat_stdin_file ... ok
[INFO] [stdout] test integration::cat_single_file ... ok
[INFO] [stdout] test integration::cat_multiple_files ... ok
[INFO] [stdout] test integration::cat_stdin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6", kill_on_drop: false }`
[INFO] [stdout] 8941117e5547ed6916205ec8b934cad47f5413c7139f59b0419fbb786afbaff6