[INFO] cloning repository https://github.com/sjmarshy/beewriter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjmarshy/beewriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjmarshy%2Fbeewriter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjmarshy%2Fbeewriter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51c17c78c7565c8d654f2daf799142bda745f39
[INFO] testing sjmarshy/beewriter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjmarshy%2Fbeewriter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjmarshy/beewriter on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjmarshy/beewriter
[INFO] finished tweaking git repo https://github.com/sjmarshy/beewriter
[INFO] tweaked toml for git repo https://github.com/sjmarshy/beewriter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sjmarshy/beewriter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c36d3d6a3e24399b59c73d17235997ddf454a5c5a01493c47682b5a8679f0b07
[INFO] running `Command { std: "docker" "start" "-a" "c36d3d6a3e24399b59c73d17235997ddf454a5c5a01493c47682b5a8679f0b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c36d3d6a3e24399b59c73d17235997ddf454a5c5a01493c47682b5a8679f0b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36d3d6a3e24399b59c73d17235997ddf454a5c5a01493c47682b5a8679f0b07", kill_on_drop: false }`
[INFO] [stdout] c36d3d6a3e24399b59c73d17235997ddf454a5c5a01493c47682b5a8679f0b07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71250c47407a02885f0ef1605841043323b767a6e80feb0f18f53990ee0ca65d
[INFO] running `Command { std: "docker" "start" "-a" "71250c47407a02885f0ef1605841043323b767a6e80feb0f18f53990ee0ca65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling inotify v0.3.0
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling notify v4.0.1
[INFO] [stderr]    Compiling beewriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RecommendedWatcher`, `RecursiveMode`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Watcher`
[INFO] [stdout]  --> src/main.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "71250c47407a02885f0ef1605841043323b767a6e80feb0f18f53990ee0ca65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71250c47407a02885f0ef1605841043323b767a6e80feb0f18f53990ee0ca65d", kill_on_drop: false }`
[INFO] [stdout] 71250c47407a02885f0ef1605841043323b767a6e80feb0f18f53990ee0ca65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b89ce49dcc1cf0417a7c2ce033319677b2edfce6323b87189d9c20386b096015
[INFO] running `Command { std: "docker" "start" "-a" "b89ce49dcc1cf0417a7c2ce033319677b2edfce6323b87189d9c20386b096015", kill_on_drop: false }`
[INFO] [stderr]    Compiling beewriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RecommendedWatcher`, `RecursiveMode`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Watcher`
[INFO] [stdout]  --> src/main.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "b89ce49dcc1cf0417a7c2ce033319677b2edfce6323b87189d9c20386b096015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89ce49dcc1cf0417a7c2ce033319677b2edfce6323b87189d9c20386b096015", kill_on_drop: false }`
[INFO] [stdout] b89ce49dcc1cf0417a7c2ce033319677b2edfce6323b87189d9c20386b096015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6fa3611d17346cbb17ce843ecdb270c5cfbebf0a76bf40122315a5c495f1bac
[INFO] running `Command { std: "docker" "start" "-a" "a6fa3611d17346cbb17ce843ecdb270c5cfbebf0a76bf40122315a5c495f1bac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `RecommendedWatcher`, `RecursiveMode`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:4:14
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stdout] 
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Watcher`
[INFO] [stderr]  --> src/main.rs:4:49
[INFO] [stderr]   |
[INFO] [stderr] 4 | use notify::{RecommendedWatcher, RecursiveMode, Watcher};
[INFO] [stderr]   |                                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `beewriter` (bin "beewriter" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/beewriter-8a75626a6899af7f)
[INFO] running `Command { std: "docker" "inspect" "a6fa3611d17346cbb17ce843ecdb270c5cfbebf0a76bf40122315a5c495f1bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fa3611d17346cbb17ce843ecdb270c5cfbebf0a76bf40122315a5c495f1bac", kill_on_drop: false }`
[INFO] [stdout] a6fa3611d17346cbb17ce843ecdb270c5cfbebf0a76bf40122315a5c495f1bac