[INFO] fetching crate fermion 0.2.0...
[INFO] testing fermion-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fermion 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fermion 0.2.0 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 fermion 0.2.0
[INFO] finished tweaking crates.io crate fermion 0.2.0
[INFO] tweaked toml for crates.io crate fermion 0.2.0 written to /workspace/builds/worker-6/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] 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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4301ba5f0fddb3fbf5ebe773ce3a722446a19695bb46cab7bc7c6904b93ea6
[INFO] running `Command { std: "docker" "start" "-a" "be4301ba5f0fddb3fbf5ebe773ce3a722446a19695bb46cab7bc7c6904b93ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4301ba5f0fddb3fbf5ebe773ce3a722446a19695bb46cab7bc7c6904b93ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4301ba5f0fddb3fbf5ebe773ce3a722446a19695bb46cab7bc7c6904b93ea6", kill_on_drop: false }`
[INFO] [stdout] be4301ba5f0fddb3fbf5ebe773ce3a722446a19695bb46cab7bc7c6904b93ea6
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47c7a2399e93ec1b277a1c853ed8990d9fc31e58756889bee31dc5e796cd753
[INFO] running `Command { std: "docker" "start" "-a" "c47c7a2399e93ec1b277a1c853ed8990d9fc31e58756889bee31dc5e796cd753", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling fermion v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "c47c7a2399e93ec1b277a1c853ed8990d9fc31e58756889bee31dc5e796cd753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47c7a2399e93ec1b277a1c853ed8990d9fc31e58756889bee31dc5e796cd753", kill_on_drop: false }`
[INFO] [stdout] c47c7a2399e93ec1b277a1c853ed8990d9fc31e58756889bee31dc5e796cd753
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 329db4bc5786fada363df3c54e2ee2954b32b3f6a1a2db1cf55dab4adb8575ac
[INFO] running `Command { std: "docker" "start" "-a" "329db4bc5786fada363df3c54e2ee2954b32b3f6a1a2db1cf55dab4adb8575ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling fermion v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "329db4bc5786fada363df3c54e2ee2954b32b3f6a1a2db1cf55dab4adb8575ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329db4bc5786fada363df3c54e2ee2954b32b3f6a1a2db1cf55dab4adb8575ac", kill_on_drop: false }`
[INFO] [stdout] 329db4bc5786fada363df3c54e2ee2954b32b3f6a1a2db1cf55dab4adb8575ac
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bfd4d1c1bfb556320ad58bcc3c2b6c1902f42ddaeb20cc6dfeccca4176265a9
[INFO] running `Command { std: "docker" "start" "-a" "4bfd4d1c1bfb556320ad58bcc3c2b6c1902f42ddaeb20cc6dfeccca4176265a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fermion-8ad1198db386a1df)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_insufficient_buffer_read ... ok
[INFO] [stdout] test tests::monster_struct ... ok
[INFO] [stdout] test tests::test_insufficient_buffer_write ... ok
[INFO] [stdout] test tests::too_long_bytestring ... ok
[INFO] [stdout] test tests::test_char ... ok
[INFO] [stdout] test tests::too_many_variants ... ok
[INFO] [stdout] test tests::test_borrow_bytes ... ok
[INFO] [stdout] test tests::test_u8 ... ok
[INFO] [stdout] test tests::test_multiple ... ok
[INFO] [stdout] test tests::test_borrow_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fermion
[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] running `Command { std: "docker" "inspect" "4bfd4d1c1bfb556320ad58bcc3c2b6c1902f42ddaeb20cc6dfeccca4176265a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfd4d1c1bfb556320ad58bcc3c2b6c1902f42ddaeb20cc6dfeccca4176265a9", kill_on_drop: false }`
[INFO] [stdout] 4bfd4d1c1bfb556320ad58bcc3c2b6c1902f42ddaeb20cc6dfeccca4176265a9