[INFO] fetching crate unicode-line-stacker 1.0.0...
[INFO] testing unicode-line-stacker-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate unicode-line-stacker 1.0.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate unicode-line-stacker 1.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9938251fcd4fccae820840110112e9b18e4c1815a0751559c7f06dc393cf834
[INFO] running `Command { std: "docker" "start" "-a" "c9938251fcd4fccae820840110112e9b18e4c1815a0751559c7f06dc393cf834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9938251fcd4fccae820840110112e9b18e4c1815a0751559c7f06dc393cf834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9938251fcd4fccae820840110112e9b18e4c1815a0751559c7f06dc393cf834", kill_on_drop: false }`
[INFO] [stdout] c9938251fcd4fccae820840110112e9b18e4c1815a0751559c7f06dc393cf834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1978ac25612ed6ca56983c509f4890fa3b21d635997dde4487c7e2338b55740a
[INFO] running `Command { std: "docker" "start" "-a" "1978ac25612ed6ca56983c509f4890fa3b21d635997dde4487c7e2338b55740a", 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "1978ac25612ed6ca56983c509f4890fa3b21d635997dde4487c7e2338b55740a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1978ac25612ed6ca56983c509f4890fa3b21d635997dde4487c7e2338b55740a", kill_on_drop: false }`
[INFO] [stdout] 1978ac25612ed6ca56983c509f4890fa3b21d635997dde4487c7e2338b55740a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92cea2aa9f3dee8623d692f713b8b41bd36984005eacb57157d1e6558e1b0166
[INFO] running `Command { std: "docker" "start" "-a" "92cea2aa9f3dee8623d692f713b8b41bd36984005eacb57157d1e6558e1b0166", 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 0.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/unicode_line_stacker-c147a8c3db1b3221)
[INFO] running `Command { std: "docker" "inspect" "92cea2aa9f3dee8623d692f713b8b41bd36984005eacb57157d1e6558e1b0166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cea2aa9f3dee8623d692f713b8b41bd36984005eacb57157d1e6558e1b0166", kill_on_drop: false }`
[INFO] [stdout] 92cea2aa9f3dee8623d692f713b8b41bd36984005eacb57157d1e6558e1b0166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f36125779eb2a27f70eaccf477ab6a42d0c960100b4474c2737b0923476dab6
[INFO] running `Command { std: "docker" "start" "-a" "8f36125779eb2a27f70eaccf477ab6a42d0c960100b4474c2737b0923476dab6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unicode_line_stacker-c147a8c3db1b3221)
[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 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicode-line-stacker
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - char_to_bits (line 42) ... ok
[INFO] [stdout] test src/lib.rs - bits_to_char (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - stack (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f36125779eb2a27f70eaccf477ab6a42d0c960100b4474c2737b0923476dab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f36125779eb2a27f70eaccf477ab6a42d0c960100b4474c2737b0923476dab6", kill_on_drop: false }`
[INFO] [stdout] 8f36125779eb2a27f70eaccf477ab6a42d0c960100b4474c2737b0923476dab6