[INFO] fetching crate utf-8 0.7.6...
[INFO] testing utf-8-0.7.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate utf-8 0.7.6 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate utf-8 0.7.6 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 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-54/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 5561b5374ca8d764c1092848f9a5a8ab74632fc570cbef8e75e672f60bc9c1e5
[INFO] running `Command { std: "docker" "start" "-a" "5561b5374ca8d764c1092848f9a5a8ab74632fc570cbef8e75e672f60bc9c1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5561b5374ca8d764c1092848f9a5a8ab74632fc570cbef8e75e672f60bc9c1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5561b5374ca8d764c1092848f9a5a8ab74632fc570cbef8e75e672f60bc9c1e5", kill_on_drop: false }`
[INFO] [stdout] 5561b5374ca8d764c1092848f9a5a8ab74632fc570cbef8e75e672f60bc9c1e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] e7dcecf189806ffacbb134a26aa6a3d778944f88bfcfbc5f64859122916fd253
[INFO] running `Command { std: "docker" "start" "-a" "e7dcecf189806ffacbb134a26aa6a3d778944f88bfcfbc5f64859122916fd253", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "e7dcecf189806ffacbb134a26aa6a3d778944f88bfcfbc5f64859122916fd253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dcecf189806ffacbb134a26aa6a3d778944f88bfcfbc5f64859122916fd253", kill_on_drop: false }`
[INFO] [stdout] e7dcecf189806ffacbb134a26aa6a3d778944f88bfcfbc5f64859122916fd253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 2d8f0b3fc78b427cd10840fff1e7decbc7b6076b05630b4b61ea2469679ccbcf
[INFO] running `Command { std: "docker" "start" "-a" "2d8f0b3fc78b427cd10840fff1e7decbc7b6076b05630b4b61ea2469679ccbcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "2d8f0b3fc78b427cd10840fff1e7decbc7b6076b05630b4b61ea2469679ccbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8f0b3fc78b427cd10840fff1e7decbc7b6076b05630b4b61ea2469679ccbcf", kill_on_drop: false }`
[INFO] [stdout] 2d8f0b3fc78b427cd10840fff1e7decbc7b6076b05630b4b61ea2469679ccbcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 27ef631b5f1576bee13eb2651142cbda0b7734c480e02793aeabb40a420fc089
[INFO] running `Command { std: "docker" "start" "-a" "27ef631b5f1576bee13eb2651142cbda0b7734c480e02793aeabb40a420fc089", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-be6d720ca650d847)
[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 1.83s
[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 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27ef631b5f1576bee13eb2651142cbda0b7734c480e02793aeabb40a420fc089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ef631b5f1576bee13eb2651142cbda0b7734c480e02793aeabb40a420fc089", kill_on_drop: false }`
[INFO] [stdout] 27ef631b5f1576bee13eb2651142cbda0b7734c480e02793aeabb40a420fc089