[INFO] cloning repository https://github.com/izflare/strlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izflare/strlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 135a5388ed3d4930fe79a228bb97f0068e209eae
[INFO] testing izflare/strlib against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izflare/strlib on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izflare/strlib
[INFO] finished tweaking git repo https://github.com/izflare/strlib
[INFO] tweaked toml for git repo https://github.com/izflare/strlib written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/izflare/strlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a75642524ee38fb7dabbe32708fe837fa2a2b5013ecde8162c224e5a95b953
[INFO] running `Command { std: "docker" "start" "-a" "12a75642524ee38fb7dabbe32708fe837fa2a2b5013ecde8162c224e5a95b953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a75642524ee38fb7dabbe32708fe837fa2a2b5013ecde8162c224e5a95b953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a75642524ee38fb7dabbe32708fe837fa2a2b5013ecde8162c224e5a95b953", kill_on_drop: false }`
[INFO] [stdout] 12a75642524ee38fb7dabbe32708fe837fa2a2b5013ecde8162c224e5a95b953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f30d02571120b488ce7deaccd37cb65f966c5aaf8e029a7a3c36a434e758b95
[INFO] running `Command { std: "docker" "start" "-a" "2f30d02571120b488ce7deaccd37cb65f966c5aaf8e029a7a3c36a434e758b95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling strlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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 3.24s
[INFO] running `Command { std: "docker" "inspect" "2f30d02571120b488ce7deaccd37cb65f966c5aaf8e029a7a3c36a434e758b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f30d02571120b488ce7deaccd37cb65f966c5aaf8e029a7a3c36a434e758b95", kill_on_drop: false }`
[INFO] [stdout] 2f30d02571120b488ce7deaccd37cb65f966c5aaf8e029a7a3c36a434e758b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdfb0a0eed3dd9d8b3a2301ced5e528a6823b0c5df96118effb4c8f9fe0e6cfe
[INFO] running `Command { std: "docker" "start" "-a" "bdfb0a0eed3dd9d8b3a2301ced5e528a6823b0c5df96118effb4c8f9fe0e6cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling strlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/mtf/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val: T, 
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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 0.56s
[INFO] running `Command { std: "docker" "inspect" "bdfb0a0eed3dd9d8b3a2301ced5e528a6823b0c5df96118effb4c8f9fe0e6cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfb0a0eed3dd9d8b3a2301ced5e528a6823b0c5df96118effb4c8f9fe0e6cfe", kill_on_drop: false }`
[INFO] [stdout] bdfb0a0eed3dd9d8b3a2301ced5e528a6823b0c5df96118effb4c8f9fe0e6cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa6c3d7c0c98c25889f411fe02f66cf4f77ddd84e619171e9c157241e9347a00
[INFO] running `Command { std: "docker" "start" "-a" "fa6c3d7c0c98c25889f411fe02f66cf4f77ddd84e619171e9c157241e9347a00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]   --> src/mtf/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         val: T, 
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `strlib` (lib) generated 1 warning
[INFO] [stderr] warning: `strlib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strlib-06f98f03e7686485)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strlib-476be6f6401172cc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strlib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa6c3d7c0c98c25889f411fe02f66cf4f77ddd84e619171e9c157241e9347a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6c3d7c0c98c25889f411fe02f66cf4f77ddd84e619171e9c157241e9347a00", kill_on_drop: false }`
[INFO] [stdout] fa6c3d7c0c98c25889f411fe02f66cf4f77ddd84e619171e9c157241e9347a00