[INFO] fetching crate mm_subscribe 0.1.1...
[INFO] testing mm_subscribe-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mm_subscribe 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mm_subscribe 0.1.1 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 mm_subscribe 0.1.1
[INFO] finished tweaking crates.io crate mm_subscribe 0.1.1
[INFO] tweaked toml for crates.io crate mm_subscribe 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mm_subscribe 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimonkey v0.1.1
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fbaa18c13e629ad108946e070b5c3df74e4db70ce3eb709b765f10401349162
[INFO] running `Command { std: "docker" "start" "-a" "4fbaa18c13e629ad108946e070b5c3df74e4db70ce3eb709b765f10401349162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fbaa18c13e629ad108946e070b5c3df74e4db70ce3eb709b765f10401349162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbaa18c13e629ad108946e070b5c3df74e4db70ce3eb709b765f10401349162", kill_on_drop: false }`
[INFO] [stdout] 4fbaa18c13e629ad108946e070b5c3df74e4db70ce3eb709b765f10401349162
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8f6c4e98c65e96a161812700ede0bcfe1a4fc415e67324d1ec4570bf4c8d11
[INFO] running `Command { std: "docker" "start" "-a" "af8f6c4e98c65e96a161812700ede0bcfe1a4fc415e67324d1ec4570bf4c8d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling minimonkey v0.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling mm_subscribe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Duration::from_secs(1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "af8f6c4e98c65e96a161812700ede0bcfe1a4fc415e67324d1ec4570bf4c8d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8f6c4e98c65e96a161812700ede0bcfe1a4fc415e67324d1ec4570bf4c8d11", kill_on_drop: false }`
[INFO] [stdout] af8f6c4e98c65e96a161812700ede0bcfe1a4fc415e67324d1ec4570bf4c8d11
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7207655c287c1b40fee84c63993480b6f19e6cb2ce6d532a25ca959203c2dfbc
[INFO] running `Command { std: "docker" "start" "-a" "7207655c287c1b40fee84c63993480b6f19e6cb2ce6d532a25ca959203c2dfbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling mm_subscribe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Duration::from_secs(1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "7207655c287c1b40fee84c63993480b6f19e6cb2ce6d532a25ca959203c2dfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7207655c287c1b40fee84c63993480b6f19e6cb2ce6d532a25ca959203c2dfbc", kill_on_drop: false }`
[INFO] [stdout] 7207655c287c1b40fee84c63993480b6f19e6cb2ce6d532a25ca959203c2dfbc
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 248290a848eb5065cafe9a5c76a31e44233bd0340a980e061160fe9625a086e5
[INFO] running `Command { std: "docker" "start" "-a" "248290a848eb5065cafe9a5c76a31e44233bd0340a980e061160fe9625a086e5", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Duration::from_secs(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mm_subscribe` (bin "mm_subscribe" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mm_subscribe-35a93b3695ecb645)
[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" "248290a848eb5065cafe9a5c76a31e44233bd0340a980e061160fe9625a086e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248290a848eb5065cafe9a5c76a31e44233bd0340a980e061160fe9625a086e5", kill_on_drop: false }`
[INFO] [stdout] 248290a848eb5065cafe9a5c76a31e44233bd0340a980e061160fe9625a086e5