[INFO] fetching crate mlzutil 0.2.1...
[INFO] testing mlzutil-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mlzutil 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mlzutil 0.2.1 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 mlzutil 0.2.1
[INFO] finished tweaking crates.io crate mlzutil 0.2.1
[INFO] tweaked toml for crates.io crate mlzutil 0.2.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cac144bdf9f9e57e734e15ff2e492d5b19fbd4887c9c0f4282d1e7ffa626db68
[INFO] running `Command { std: "docker" "start" "-a" "cac144bdf9f9e57e734e15ff2e492d5b19fbd4887c9c0f4282d1e7ffa626db68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac144bdf9f9e57e734e15ff2e492d5b19fbd4887c9c0f4282d1e7ffa626db68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac144bdf9f9e57e734e15ff2e492d5b19fbd4887c9c0f4282d1e7ffa626db68", kill_on_drop: false }`
[INFO] [stdout] cac144bdf9f9e57e734e15ff2e492d5b19fbd4887c9c0f4282d1e7ffa626db68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a5f67d0092b0344ab58cf64c2e568eab057cd1180d3f5b04c585648adc011800
[INFO] running `Command { std: "docker" "start" "-a" "a5f67d0092b0344ab58cf64c2e568eab057cd1180d3f5b04c585648adc011800", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling dns-lookup v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling systemstat v0.1.5
[INFO] [stderr]    Compiling mlzutil v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "a5f67d0092b0344ab58cf64c2e568eab057cd1180d3f5b04c585648adc011800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f67d0092b0344ab58cf64c2e568eab057cd1180d3f5b04c585648adc011800", kill_on_drop: false }`
[INFO] [stdout] a5f67d0092b0344ab58cf64c2e568eab057cd1180d3f5b04c585648adc011800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f50626aa438f993e1e338f0c6f240c5f06e0a92f860d71eeea6c7351ebeb132e
[INFO] running `Command { std: "docker" "start" "-a" "f50626aa438f993e1e338f0c6f240c5f06e0a92f860d71eeea6c7351ebeb132e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mlzutil v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "f50626aa438f993e1e338f0c6f240c5f06e0a92f860d71eeea6c7351ebeb132e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50626aa438f993e1e338f0c6f240c5f06e0a92f860d71eeea6c7351ebeb132e", kill_on_drop: false }`
[INFO] [stdout] f50626aa438f993e1e338f0c6f240c5f06e0a92f860d71eeea6c7351ebeb132e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] de0611dc385a29230f3eccabf128a2f07df1dd444868c8b37bf04561d7b23cd5
[INFO] running `Command { std: "docker" "start" "-a" "de0611dc385a29230f3eccabf128a2f07df1dd444868c8b37bf04561d7b23cd5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mlzutil-d7db2f9871881d45)
[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] [stderr]    Doc-tests mlzutil
[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" "de0611dc385a29230f3eccabf128a2f07df1dd444868c8b37bf04561d7b23cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0611dc385a29230f3eccabf128a2f07df1dd444868c8b37bf04561d7b23cd5", kill_on_drop: false }`
[INFO] [stdout] de0611dc385a29230f3eccabf128a2f07df1dd444868c8b37bf04561d7b23cd5