[INFO] fetching crate string2 0.1.4...
[INFO] testing string2-0.1.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate string2 0.1.4 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate string2 0.1.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string2 0.1.4
[INFO] finished tweaking crates.io crate string2 0.1.4
[INFO] tweaked toml for crates.io crate string2 0.1.4 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 312714cde3bc29d9b8e9934e885e7a99e0fd23feef1de3e63d47cb0cede63723
[INFO] running `Command { std: "docker" "start" "-a" "312714cde3bc29d9b8e9934e885e7a99e0fd23feef1de3e63d47cb0cede63723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "312714cde3bc29d9b8e9934e885e7a99e0fd23feef1de3e63d47cb0cede63723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312714cde3bc29d9b8e9934e885e7a99e0fd23feef1de3e63d47cb0cede63723", kill_on_drop: false }`
[INFO] [stdout] 312714cde3bc29d9b8e9934e885e7a99e0fd23feef1de3e63d47cb0cede63723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d02d886a5e8de811c83a4bab2c2175c78f5487a20777acf2c7c6571a46c92c
[INFO] running `Command { std: "docker" "start" "-a" "65d02d886a5e8de811c83a4bab2c2175c78f5487a20777acf2c7c6571a46c92c", kill_on_drop: false }`
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "65d02d886a5e8de811c83a4bab2c2175c78f5487a20777acf2c7c6571a46c92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d02d886a5e8de811c83a4bab2c2175c78f5487a20777acf2c7c6571a46c92c", kill_on_drop: false }`
[INFO] [stdout] 65d02d886a5e8de811c83a4bab2c2175c78f5487a20777acf2c7c6571a46c92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db85eaba3b30a8991b0c40f47de501a17e992b43eddda2c1c330af8392d5d9c6
[INFO] running `Command { std: "docker" "start" "-a" "db85eaba3b30a8991b0c40f47de501a17e992b43eddda2c1c330af8392d5d9c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "db85eaba3b30a8991b0c40f47de501a17e992b43eddda2c1c330af8392d5d9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db85eaba3b30a8991b0c40f47de501a17e992b43eddda2c1c330af8392d5d9c6", kill_on_drop: false }`
[INFO] [stdout] db85eaba3b30a8991b0c40f47de501a17e992b43eddda2c1c330af8392d5d9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80b51648f17d310d157c1a63aa278afa9ccf1fe6c88b62aa7d35edd803814c84
[INFO] running `Command { std: "docker" "start" "-a" "80b51648f17d310d157c1a63aa278afa9ccf1fe6c88b62aa7d35edd803814c84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string2-8d4859e158b8be08)
[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 string2
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - String2 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - String2::with_capacity (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 381) ... ok
[INFO] [stdout] test src/lib.rs - String2::capacity (line 288) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 88) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_ptr (line 433) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 319) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_vec (line 564) ... ok
[INFO] [stdout] test src/lib.rs - String2::new (line 224) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 331) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_bytes (line 497) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_vec (line 585) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 61) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 117) ... ok
[INFO] [stdout] test src/lib.rs - String2::from_raw_parts (line 469) ... ok
[INFO] [stdout] test src/lib.rs - String2::shrink_to_fit (line 409) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 369) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 148) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_slice (line 540) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_slice (line 519) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80b51648f17d310d157c1a63aa278afa9ccf1fe6c88b62aa7d35edd803814c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b51648f17d310d157c1a63aa278afa9ccf1fe6c88b62aa7d35edd803814c84", kill_on_drop: false }`
[INFO] [stdout] 80b51648f17d310d157c1a63aa278afa9ccf1fe6c88b62aa7d35edd803814c84