[INFO] fetching crate residua-mutf8 0.5.0...
[INFO] testing residua-mutf8-0.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate residua-mutf8 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate residua-mutf8 0.5.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate residua-mutf8 0.5.0
[INFO] finished tweaking crates.io crate residua-mutf8 0.5.0
[INFO] tweaked toml for crates.io crate residua-mutf8 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a10386188880378bd8c984fc63065cd4890f9376fe0d1e19610dae9b1e462fb2
[INFO] running `Command { std: "docker" "start" "-a" "a10386188880378bd8c984fc63065cd4890f9376fe0d1e19610dae9b1e462fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10386188880378bd8c984fc63065cd4890f9376fe0d1e19610dae9b1e462fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10386188880378bd8c984fc63065cd4890f9376fe0d1e19610dae9b1e462fb2", kill_on_drop: false }`
[INFO] [stdout] a10386188880378bd8c984fc63065cd4890f9376fe0d1e19610dae9b1e462fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c354ffce3e1f549ff989b3247cfb32f1880354d27789c0f054b08452fdef96
[INFO] running `Command { std: "docker" "start" "-a" "e8c354ffce3e1f549ff989b3247cfb32f1880354d27789c0f054b08452fdef96", kill_on_drop: false }`
[INFO] [stderr]    Compiling residua-cesu8 v0.6.0
[INFO] [stderr]    Compiling residua-mutf8 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e8c354ffce3e1f549ff989b3247cfb32f1880354d27789c0f054b08452fdef96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c354ffce3e1f549ff989b3247cfb32f1880354d27789c0f054b08452fdef96", kill_on_drop: false }`
[INFO] [stdout] e8c354ffce3e1f549ff989b3247cfb32f1880354d27789c0f054b08452fdef96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f72226f472d23eeea9587a22a5934a33a4d5a79eee46748a908db26f0748c50
[INFO] running `Command { std: "docker" "start" "-a" "2f72226f472d23eeea9587a22a5934a33a4d5a79eee46748a908db26f0748c50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling residua-mutf8 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "2f72226f472d23eeea9587a22a5934a33a4d5a79eee46748a908db26f0748c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f72226f472d23eeea9587a22a5934a33a4d5a79eee46748a908db26f0748c50", kill_on_drop: false }`
[INFO] [stdout] 2f72226f472d23eeea9587a22a5934a33a4d5a79eee46748a908db26f0748c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 801b5d8015dfdbf3508845d4e3317885f52fc192d0e96a219097f8efb294c3ee
[INFO] running `Command { std: "docker" "start" "-a" "801b5d8015dfdbf3508845d4e3317885f52fc192d0e96a219097f8efb294c3ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutf8-35572eae20153cee)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutf8
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - to_mutf8 (line 122) ... ok
[INFO] [stdout] test src/lib.rs - is_valid_mutf8 (line 188) ... ok
[INFO] [stdout] test src/lib.rs - from_mutf8 (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "801b5d8015dfdbf3508845d4e3317885f52fc192d0e96a219097f8efb294c3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801b5d8015dfdbf3508845d4e3317885f52fc192d0e96a219097f8efb294c3ee", kill_on_drop: false }`
[INFO] [stdout] 801b5d8015dfdbf3508845d4e3317885f52fc192d0e96a219097f8efb294c3ee