[INFO] fetching crate caret 0.0.3...
[INFO] testing caret-0.0.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate caret 0.0.3 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate caret 0.0.3 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 caret 0.0.3
[INFO] finished tweaking crates.io crate caret 0.0.3
[INFO] tweaked toml for crates.io crate caret 0.0.3 written to /workspace/builds/worker-83/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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 77a21959eb3a027a96d1eefb9cb18332a08a1260b60fdae4818a8d4c37bc54a0
[INFO] running `Command { std: "docker" "start" "-a" "77a21959eb3a027a96d1eefb9cb18332a08a1260b60fdae4818a8d4c37bc54a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a21959eb3a027a96d1eefb9cb18332a08a1260b60fdae4818a8d4c37bc54a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a21959eb3a027a96d1eefb9cb18332a08a1260b60fdae4818a8d4c37bc54a0", kill_on_drop: false }`
[INFO] [stdout] 77a21959eb3a027a96d1eefb9cb18332a08a1260b60fdae4818a8d4c37bc54a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 7b5913ecb82c8e43893d2b8f46f6f893eea3389d6b6493f7dbd020b386f3aae1
[INFO] running `Command { std: "docker" "start" "-a" "7b5913ecb82c8e43893d2b8f46f6f893eea3389d6b6493f7dbd020b386f3aae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling caret v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7b5913ecb82c8e43893d2b8f46f6f893eea3389d6b6493f7dbd020b386f3aae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5913ecb82c8e43893d2b8f46f6f893eea3389d6b6493f7dbd020b386f3aae1", kill_on_drop: false }`
[INFO] [stdout] 7b5913ecb82c8e43893d2b8f46f6f893eea3389d6b6493f7dbd020b386f3aae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] d7437e152b227669bc1dded065a00285c9949c869d2b813d92da4d8471783742
[INFO] running `Command { std: "docker" "start" "-a" "d7437e152b227669bc1dded065a00285c9949c869d2b813d92da4d8471783742", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling caret v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d7437e152b227669bc1dded065a00285c9949c869d2b813d92da4d8471783742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7437e152b227669bc1dded065a00285c9949c869d2b813d92da4d8471783742", kill_on_drop: false }`
[INFO] [stdout] d7437e152b227669bc1dded065a00285c9949c869d2b813d92da4d8471783742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 42893b3720c1323fb025d06184dda0fb9d031ffd0b6c132589dc4124c8739cfa
[INFO] running `Command { std: "docker" "start" "-a" "42893b3720c1323fb025d06184dda0fb9d031ffd0b6c132589dc4124c8739cfa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caret-c09301666378f42b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example_int.rs (/opt/rustwide/target/debug/deps/example_int-d48994bea6d6a4b0)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests caret
[INFO] [stdout] test test_int_ops ... ok
[INFO] [stdout] test test_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - caret_int (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42893b3720c1323fb025d06184dda0fb9d031ffd0b6c132589dc4124c8739cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42893b3720c1323fb025d06184dda0fb9d031ffd0b6c132589dc4124c8739cfa", kill_on_drop: false }`
[INFO] [stdout] 42893b3720c1323fb025d06184dda0fb9d031ffd0b6c132589dc4124c8739cfa