[INFO] fetching crate utf-8 0.7.6...
[INFO] testing utf-8-0.7.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate utf-8 0.7.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate utf-8 0.7.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utf-8 0.7.6
[INFO] finished tweaking crates.io crate utf-8 0.7.6
[INFO] tweaked toml for crates.io crate utf-8 0.7.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568f0df01815a2b7430245b6c4445ff22f9b60caa2df3001758cf520443fe3ef
[INFO] running `Command { std: "docker" "start" "-a" "568f0df01815a2b7430245b6c4445ff22f9b60caa2df3001758cf520443fe3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568f0df01815a2b7430245b6c4445ff22f9b60caa2df3001758cf520443fe3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568f0df01815a2b7430245b6c4445ff22f9b60caa2df3001758cf520443fe3ef", kill_on_drop: false }`
[INFO] [stdout] 568f0df01815a2b7430245b6c4445ff22f9b60caa2df3001758cf520443fe3ef
[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=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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f50e917a2ef4de2d13dbc57fa4a4532d1620df0c1af6b8884d4e5e382a409c03
[INFO] running `Command { std: "docker" "start" "-a" "f50e917a2ef4de2d13dbc57fa4a4532d1620df0c1af6b8884d4e5e382a409c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "f50e917a2ef4de2d13dbc57fa4a4532d1620df0c1af6b8884d4e5e382a409c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50e917a2ef4de2d13dbc57fa4a4532d1620df0c1af6b8884d4e5e382a409c03", kill_on_drop: false }`
[INFO] [stdout] f50e917a2ef4de2d13dbc57fa4a4532d1620df0c1af6b8884d4e5e382a409c03
[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=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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3418ba1571f9784293ea2a4849c5b1a22d992d4ccd4eca54ae37183bfe62c2dc
[INFO] running `Command { std: "docker" "start" "-a" "3418ba1571f9784293ea2a4849c5b1a22d992d4ccd4eca54ae37183bfe62c2dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "3418ba1571f9784293ea2a4849c5b1a22d992d4ccd4eca54ae37183bfe62c2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3418ba1571f9784293ea2a4849c5b1a22d992d4ccd4eca54ae37183bfe62c2dc", kill_on_drop: false }`
[INFO] [stdout] 3418ba1571f9784293ea2a4849c5b1a22d992d4ccd4eca54ae37183bfe62c2dc
[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=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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3f5adabf349db6053dc216c4c29c833a1a7b56ce43acf6cd1da6c421042bc15
[INFO] running `Command { std: "docker" "start" "-a" "a3f5adabf349db6053dc216c4c29c833a1a7b56ce43acf6cd1da6c421042bc15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-e606baa878e54aff)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_is_utf8 ... ok
[INFO] [stdout] test test_str_from_utf8 ... ok
[INFO] [stdout] test test_string_from_utf8_lossy ... ok
[INFO] [stdout] test test_incremental_decoder ... ok
[INFO] [stdout] test test_bufread_decoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utf8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lossy.rs - lossy::LossyDecoder (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3f5adabf349db6053dc216c4c29c833a1a7b56ce43acf6cd1da6c421042bc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f5adabf349db6053dc216c4c29c833a1a7b56ce43acf6cd1da6c421042bc15", kill_on_drop: false }`
[INFO] [stdout] a3f5adabf349db6053dc216c4c29c833a1a7b56ce43acf6cd1da6c421042bc15