[INFO] fetching crate internship 0.6.0... [INFO] testing internship-0.6.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate internship 0.6.0 into /workspace/builds/worker-31/source [INFO] validating manifest of crates.io crate internship 0.6.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-31/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7d15213da2073744d725205db700350145cb83a5987dee750c4172c5773196c [INFO] running `Command { std: "docker" "start" "-a" "f7d15213da2073744d725205db700350145cb83a5987dee750c4172c5773196c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7d15213da2073744d725205db700350145cb83a5987dee750c4172c5773196c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7d15213da2073744d725205db700350145cb83a5987dee750c4172c5773196c", kill_on_drop: false }` [INFO] [stdout] f7d15213da2073744d725205db700350145cb83a5987dee750c4172c5773196c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9dfaa3a2c5d573d8bcb67eeb28c9bb87f7bdfc3086e3935c880f270e8af10811 [INFO] running `Command { std: "docker" "start" "-a" "9dfaa3a2c5d573d8bcb67eeb28c9bb87f7bdfc3086e3935c880f270e8af10811", kill_on_drop: false }` [INFO] [stderr] Compiling internship v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "9dfaa3a2c5d573d8bcb67eeb28c9bb87f7bdfc3086e3935c880f270e8af10811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dfaa3a2c5d573d8bcb67eeb28c9bb87f7bdfc3086e3935c880f270e8af10811", kill_on_drop: false }` [INFO] [stdout] 9dfaa3a2c5d573d8bcb67eeb28c9bb87f7bdfc3086e3935c880f270e8af10811 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e7ea226cce994215438399412e69f5d89799af62f250c198d49e4dd97965390 [INFO] running `Command { std: "docker" "start" "-a" "0e7ea226cce994215438399412e69f5d89799af62f250c198d49e4dd97965390", 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] [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 1.40s [INFO] running `Command { std: "docker" "inspect" "0e7ea226cce994215438399412e69f5d89799af62f250c198d49e4dd97965390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7ea226cce994215438399412e69f5d89799af62f250c198d49e4dd97965390", kill_on_drop: false }` [INFO] [stdout] 0e7ea226cce994215438399412e69f5d89799af62f250c198d49e4dd97965390 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 51e527b3f919b7c50d6a6dbaacb0a5b076343f675d826a8a8030801d46c9cbee [INFO] running `Command { std: "docker" "start" "-a" "51e527b3f919b7c50d6a6dbaacb0a5b076343f675d826a8a8030801d46c9cbee", 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: `internship` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/internship-e798e85433625e13) [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 0.01s [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" "51e527b3f919b7c50d6a6dbaacb0a5b076343f675d826a8a8030801d46c9cbee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51e527b3f919b7c50d6a6dbaacb0a5b076343f675d826a8a8030801d46c9cbee", kill_on_drop: false }` [INFO] [stdout] 51e527b3f919b7c50d6a6dbaacb0a5b076343f675d826a8a8030801d46c9cbee