[INFO] fetching crate unicode-line-stacker 1.0.0...
[INFO] testing unicode-line-stacker-1.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate unicode-line-stacker 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate unicode-line-stacker 1.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicode-line-stacker 1.0.0
[INFO] finished tweaking crates.io crate unicode-line-stacker 1.0.0
[INFO] tweaked toml for crates.io crate unicode-line-stacker 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 713f5d5d689bef5d3af03e5fd23a4c0ed6407ffa266d63b24fc76a2830555c01
[INFO] running `Command { std: "docker" "start" "-a" "713f5d5d689bef5d3af03e5fd23a4c0ed6407ffa266d63b24fc76a2830555c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713f5d5d689bef5d3af03e5fd23a4c0ed6407ffa266d63b24fc76a2830555c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713f5d5d689bef5d3af03e5fd23a4c0ed6407ffa266d63b24fc76a2830555c01", kill_on_drop: false }`
[INFO] [stdout] 713f5d5d689bef5d3af03e5fd23a4c0ed6407ffa266d63b24fc76a2830555c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa6c09dd185e5964b15528062664f73640d06845d79502692bdac49ded5a5c5
[INFO] running `Command { std: "docker" "start" "-a" "2aa6c09dd185e5964b15528062664f73640d06845d79502692bdac49ded5a5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-line-stacker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2aa6c09dd185e5964b15528062664f73640d06845d79502692bdac49ded5a5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa6c09dd185e5964b15528062664f73640d06845d79502692bdac49ded5a5c5", kill_on_drop: false }`
[INFO] [stdout] 2aa6c09dd185e5964b15528062664f73640d06845d79502692bdac49ded5a5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35850f427cfa0c402dea3e517e10547b34b43941c9f7849cc6bb6d352a3e5afe
[INFO] running `Command { std: "docker" "start" "-a" "35850f427cfa0c402dea3e517e10547b34b43941c9f7849cc6bb6d352a3e5afe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-line-stacker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "35850f427cfa0c402dea3e517e10547b34b43941c9f7849cc6bb6d352a3e5afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35850f427cfa0c402dea3e517e10547b34b43941c9f7849cc6bb6d352a3e5afe", kill_on_drop: false }`
[INFO] [stdout] 35850f427cfa0c402dea3e517e10547b34b43941c9f7849cc6bb6d352a3e5afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2312c47bddb6c4442fddcf4924418e218a63b70df407826754cc4dadd75b9e56
[INFO] running `Command { std: "docker" "start" "-a" "2312c47bddb6c4442fddcf4924418e218a63b70df407826754cc4dadd75b9e56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unicode_line_stacker-a4d709e7922a766b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::stack_with_empty ... ok
[INFO] [stdout] test tests::bits_to_char_panics_on_input_16 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicode-line-stacker
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - bits_to_char (line 66) ... ok
[INFO] [stdout] test src/lib.rs - char_to_bits (line 42) ... ok
[INFO] [stdout] test src/lib.rs - stack (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2312c47bddb6c4442fddcf4924418e218a63b70df407826754cc4dadd75b9e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2312c47bddb6c4442fddcf4924418e218a63b70df407826754cc4dadd75b9e56", kill_on_drop: false }`
[INFO] [stdout] 2312c47bddb6c4442fddcf4924418e218a63b70df407826754cc4dadd75b9e56