[INFO] fetching crate internship 0.6.0...
[INFO] testing internship-0.6.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate internship 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate internship 0.6.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate internship 0.6.0
[INFO] finished tweaking crates.io crate internship 0.6.0
[INFO] tweaked toml for crates.io crate internship 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1a9922ed3dcacf46c44570a607a2430acd187af8f3eb77b21f533fbd1d5904d
[INFO] running `Command { std: "docker" "start" "-a" "a1a9922ed3dcacf46c44570a607a2430acd187af8f3eb77b21f533fbd1d5904d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a9922ed3dcacf46c44570a607a2430acd187af8f3eb77b21f533fbd1d5904d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a9922ed3dcacf46c44570a607a2430acd187af8f3eb77b21f533fbd1d5904d", kill_on_drop: false }`
[INFO] [stdout] a1a9922ed3dcacf46c44570a607a2430acd187af8f3eb77b21f533fbd1d5904d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7f996f9dc72a5a8db50767bb241cdc7f4bb62ad8569612c16927c4a99dd956
[INFO] running `Command { std: "docker" "start" "-a" "8b7f996f9dc72a5a8db50767bb241cdc7f4bb62ad8569612c16927c4a99dd956", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling internship v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "8b7f996f9dc72a5a8db50767bb241cdc7f4bb62ad8569612c16927c4a99dd956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7f996f9dc72a5a8db50767bb241cdc7f4bb62ad8569612c16927c4a99dd956", kill_on_drop: false }`
[INFO] [stdout] 8b7f996f9dc72a5a8db50767bb241cdc7f4bb62ad8569612c16927c4a99dd956
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5fe7ec4ef5adc2c90036376e5fb6f8fff21b5bd84a914d2da02da185174688
[INFO] running `Command { std: "docker" "start" "-a" "dd5fe7ec4ef5adc2c90036376e5fb6f8fff21b5bd84a914d2da02da185174688", kill_on_drop: false }`
[INFO] [stderr]    Compiling internship v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/handle.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |             replace(&mut *pool.borrow_mut(), prev_pool);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "dd5fe7ec4ef5adc2c90036376e5fb6f8fff21b5bd84a914d2da02da185174688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5fe7ec4ef5adc2c90036376e5fb6f8fff21b5bd84a914d2da02da185174688", kill_on_drop: false }`
[INFO] [stdout] dd5fe7ec4ef5adc2c90036376e5fb6f8fff21b5bd84a914d2da02da185174688
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4f7324065259a5242304177d082b8edcb12ca4fbd558880bad5d365442c0ecd
[INFO] running `Command { std: "docker" "start" "-a" "c4f7324065259a5242304177d082b8edcb12ca4fbd558880bad5d365442c0ecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/handle.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |             replace(&mut *pool.borrow_mut(), prev_pool);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/internship-2a2bec84b4b25aec)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test handle::tests::test_eq_long ... ok
[INFO] [stdout] test handle::tests::test_eq_short ... ok
[INFO] [stdout] test handle::tests::test_pool_and_rc_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests internship
[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" "c4f7324065259a5242304177d082b8edcb12ca4fbd558880bad5d365442c0ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f7324065259a5242304177d082b8edcb12ca4fbd558880bad5d365442c0ecd", kill_on_drop: false }`
[INFO] [stdout] c4f7324065259a5242304177d082b8edcb12ca4fbd558880bad5d365442c0ecd
