[INFO] fetching crate stringutils 0.0.3...
[INFO] testing stringutils-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stringutils 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stringutils 0.0.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stringutils 0.0.3
[INFO] finished tweaking crates.io crate stringutils 0.0.3
[INFO] tweaked toml for crates.io crate stringutils 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e13b7c4d580a96d90689c6ce9d7c1cb24cf2c0ddf7f2ad10272243423259f8ec
[INFO] running `Command { std: "docker" "start" "-a" "e13b7c4d580a96d90689c6ce9d7c1cb24cf2c0ddf7f2ad10272243423259f8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e13b7c4d580a96d90689c6ce9d7c1cb24cf2c0ddf7f2ad10272243423259f8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13b7c4d580a96d90689c6ce9d7c1cb24cf2c0ddf7f2ad10272243423259f8ec", kill_on_drop: false }`
[INFO] [stdout] e13b7c4d580a96d90689c6ce9d7c1cb24cf2c0ddf7f2ad10272243423259f8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caebca2a6dd791e956666927d4e519eefd818a5d6e4ab4878b6aeb070a30edb7
[INFO] running `Command { std: "docker" "start" "-a" "caebca2a6dd791e956666927d4e519eefd818a5d6e4ab4878b6aeb070a30edb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringutils v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "caebca2a6dd791e956666927d4e519eefd818a5d6e4ab4878b6aeb070a30edb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caebca2a6dd791e956666927d4e519eefd818a5d6e4ab4878b6aeb070a30edb7", kill_on_drop: false }`
[INFO] [stdout] caebca2a6dd791e956666927d4e519eefd818a5d6e4ab4878b6aeb070a30edb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d5506e3c7dc05f906299dd3b386c2296f0bfd4cf66a6ee1bf7943d37bc610b
[INFO] running `Command { std: "docker" "start" "-a" "d2d5506e3c7dc05f906299dd3b386c2296f0bfd4cf66a6ee1bf7943d37bc610b", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringutils v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d2d5506e3c7dc05f906299dd3b386c2296f0bfd4cf66a6ee1bf7943d37bc610b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d5506e3c7dc05f906299dd3b386c2296f0bfd4cf66a6ee1bf7943d37bc610b", kill_on_drop: false }`
[INFO] [stdout] d2d5506e3c7dc05f906299dd3b386c2296f0bfd4cf66a6ee1bf7943d37bc610b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd466136223eea84f9540abf2898e95f1a1693b18a382288b5d85684158a9861
[INFO] running `Command { std: "docker" "start" "-a" "cd466136223eea84f9540abf2898e95f1a1693b18a382288b5d85684158a9861", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringutils-53e0fc6fb5c9301b)
[INFO] [stdout] test tests::test_ba_to_string ... ok
[INFO] [stderr]    Doc-tests stringutils
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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/lib.rs - timestamp_to_string (line 37) ... FAILED
[INFO] [stdout] test src/lib.rs - byte_array_to_string (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - timestamp_to_string (line 37) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libc`
[INFO] [stdout]  --> src/lib.rs:38:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | let current_time = unsafe { libc::time(std::ptr::null_mut()) };
[INFO] [stdout]   |                             ^^^^ use of undeclared crate or module `libc`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - timestamp_to_string (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "cd466136223eea84f9540abf2898e95f1a1693b18a382288b5d85684158a9861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd466136223eea84f9540abf2898e95f1a1693b18a382288b5d85684158a9861", kill_on_drop: false }`
[INFO] [stdout] cd466136223eea84f9540abf2898e95f1a1693b18a382288b5d85684158a9861