[INFO] cloning repository https://github.com/apoloval/mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoloval/mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4352275dd0a28ea1709f677856dc530597b6155a
[INFO] testing apoloval/mcp against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoloval/mcp 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 git repo https://github.com/apoloval/mcp
[INFO] finished tweaking git repo https://github.com/apoloval/mcp
[INFO] tweaked toml for git repo https://github.com/apoloval/mcp written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/mcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 quickcheck v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] cfc7fdc11e89ebb1fe0a90f2df9549218694ec0c54be9c457802fe4417debad6
[INFO] running `Command { std: "docker" "start" "-a" "cfc7fdc11e89ebb1fe0a90f2df9549218694ec0c54be9c457802fe4417debad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc7fdc11e89ebb1fe0a90f2df9549218694ec0c54be9c457802fe4417debad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc7fdc11e89ebb1fe0a90f2df9549218694ec0c54be9c457802fe4417debad6", kill_on_drop: false }`
[INFO] [stdout] cfc7fdc11e89ebb1fe0a90f2df9549218694ec0c54be9c457802fe4417debad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] fe231516ac4e966229f4ea999f875d6629622fd602c8ae9d0f9b180c520f682c
[INFO] running `Command { std: "docker" "start" "-a" "fe231516ac4e966229f4ea999f875d6629622fd602c8ae9d0f9b180c520f682c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling mcp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "fe231516ac4e966229f4ea999f875d6629622fd602c8ae9d0f9b180c520f682c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe231516ac4e966229f4ea999f875d6629622fd602c8ae9d0f9b180c520f682c", kill_on_drop: false }`
[INFO] [stdout] fe231516ac4e966229f4ea999f875d6629622fd602c8ae9d0f9b180c520f682c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] f5d415384ab75c9700132167d181e9c2e4746cfa3827a14e41a9c357d8b5099e
[INFO] running `Command { std: "docker" "start" "-a" "f5d415384ab75c9700132167d181e9c2e4746cfa3827a14e41a9c357d8b5099e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling quickcheck v0.8.2
[INFO] [stderr]    Compiling mcp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "f5d415384ab75c9700132167d181e9c2e4746cfa3827a14e41a9c357d8b5099e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d415384ab75c9700132167d181e9c2e4746cfa3827a14e41a9c357d8b5099e", kill_on_drop: false }`
[INFO] [stdout] f5d415384ab75c9700132167d181e9c2e4746cfa3827a14e41a9c357d8b5099e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 07fa19317e52e4d74b624c03e2d2447774877b1ebfc851d6d50b99c55798e48b
[INFO] running `Command { std: "docker" "start" "-a" "07fa19317e52e4d74b624c03e2d2447774877b1ebfc851d6d50b99c55798e48b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcp-b865d6c426fd66a3)
[INFO] [stdout] running 25 tests
[INFO] [stdout] test file::tests::should_compute_file_name_of ... ok
[INFO] [stdout] test file::tests::should_compute_is_ascii_file ... ok
[INFO] [stdout] test file::tests::should_compute_is_basic_file ... ok
[INFO] [stdout] test file::tests::should_compute_is_bin_file ... ok
[INFO] [stdout] test file::tests::should_compute_temporary_file_name ... ok
[INFO] [stdout] test file::tests::should_write_and_read_content ... ok
[INFO] [stdout] test tape::test::should_detect_basic_header_block ... ok
[INFO] [stdout] test tape::test::should_detect_ascii_header_block ... ok
[INFO] [stdout] test file::tests::should_compute_unique_filename ... ok
[INFO] [stdout] test tape::test::should_detect_block_with_short_name ... ok
[INFO] [stdout] test tape::test::should_detect_bin_header_block ... ok
[INFO] [stdout] test tape::test::should_load_empty_tape ... ok
[INFO] [stdout] test tape::test::should_return_no_name_on_non_header_block ... ok
[INFO] [stdout] test wav::test::should_export_empty_data ... ok
[INFO] [stdout] test tape::test::should_load_tape_with_some_files ... ok
[INFO] [stdout] test tape::test::should_add_basic_file ... ok
[INFO] [stdout] test tape::test::should_block_read_from_bytes ... ok
[INFO] [stdout] test tape::test::should_add_ascii_file ... ok
[INFO] [stdout] test args::test::should_parse_extract ... ok
[INFO] [stdout] test args::test::should_parse_add ... ok
[INFO] [stdout] test args::test::should_parse_version ... ok
[INFO] [stdout] test args::test::should_parse_list ... ok
[INFO] [stdout] test args::test::should_parse_export ... ok
[INFO] [stdout] test tape::test::should_add_bin_file ... ok
[INFO] [stdout] test tape::test::should_load_tape_with_some_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07fa19317e52e4d74b624c03e2d2447774877b1ebfc851d6d50b99c55798e48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fa19317e52e4d74b624c03e2d2447774877b1ebfc851d6d50b99c55798e48b", kill_on_drop: false }`
[INFO] [stdout] 07fa19317e52e4d74b624c03e2d2447774877b1ebfc851d6d50b99c55798e48b