[INFO] cloning repository https://github.com/skade/htwg-scratchpad [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/htwg-scratchpad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1144441bb210af318d7e23caf586938df7ce40a [INFO] testing skade/htwg-scratchpad against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/htwg-scratchpad 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/skade/htwg-scratchpad [INFO] finished tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] tweaked toml for git repo https://github.com/skade/htwg-scratchpad written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/skade/htwg-scratchpad 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c51bf00c2da5009bfe00a65fc1bf9f7411f5be92415d0aa98365cdf3e6874fcb [INFO] running `Command { std: "docker" "start" "-a" "c51bf00c2da5009bfe00a65fc1bf9f7411f5be92415d0aa98365cdf3e6874fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c51bf00c2da5009bfe00a65fc1bf9f7411f5be92415d0aa98365cdf3e6874fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c51bf00c2da5009bfe00a65fc1bf9f7411f5be92415d0aa98365cdf3e6874fcb", kill_on_drop: false }` [INFO] [stdout] c51bf00c2da5009bfe00a65fc1bf9f7411f5be92415d0aa98365cdf3e6874fcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c3d4a5c97313064957990eb099ba53e5079cb563c029e915c5c36f1ed4017622 [INFO] running `Command { std: "docker" "start" "-a" "c3d4a5c97313064957990eb099ba53e5079cb563c029e915c5c36f1ed4017622", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling futures v0.1.13 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling num_cpus v1.4.0 [INFO] [stderr] Compiling bytes v0.4.3 [INFO] [stderr] Compiling mio v0.6.7 [INFO] [stderr] Compiling tokio-io v0.1.1 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling tokio-timer v0.1.1 [INFO] [stderr] Compiling tokio-core v0.1.7 [INFO] [stderr] Compiling htwg-scratchpad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.16s [INFO] running `Command { std: "docker" "inspect" "c3d4a5c97313064957990eb099ba53e5079cb563c029e915c5c36f1ed4017622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d4a5c97313064957990eb099ba53e5079cb563c029e915c5c36f1ed4017622", kill_on_drop: false }` [INFO] [stdout] c3d4a5c97313064957990eb099ba53e5079cb563c029e915c5c36f1ed4017622 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7b7f73d979904f024bf12f289e8e7b6322b9788a1229a8fbed89e4f3b6fb16dd [INFO] running `Command { std: "docker" "start" "-a" "7b7f73d979904f024bf12f289e8e7b6322b9788a1229a8fbed89e4f3b6fb16dd", kill_on_drop: false }` [INFO] [stderr] Compiling htwg-scratchpad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "7b7f73d979904f024bf12f289e8e7b6322b9788a1229a8fbed89e4f3b6fb16dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b7f73d979904f024bf12f289e8e7b6322b9788a1229a8fbed89e4f3b6fb16dd", kill_on_drop: false }` [INFO] [stdout] 7b7f73d979904f024bf12f289e8e7b6322b9788a1229a8fbed89e4f3b6fb16dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 444e694fdd6d5f83c5a7840f2ffc5a6d074c0ba4076e9cde29bd2e8edce8e155 [INFO] running `Command { std: "docker" "start" "-a" "444e694fdd6d5f83c5a7840f2ffc5a6d074c0ba4076e9cde29bd2e8edce8e155", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/bin/read_file.rs:48:5 [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] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused variable: `pass` [INFO] [stderr] --> src/bin/select.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let pass = 900; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `htwg-scratchpad` (bin "read_file" test) generated 1 warning [INFO] [stderr] warning: `htwg-scratchpad` (bin "select" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/htwg_scratchpad-104a1bc1e979b1e1) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/and_then-4c4b0a7528b15ad6) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cpupool-06493b2e6177abe2) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fork_join-3a40958dfc594bfe) [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 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/read_file-63a2104dd7fa4438) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/select-36eb2aff7f17e38a) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/select_combined-2edb9a967ea5d4fa) [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 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/select_tokio-e97ef541722e6f10) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio-928e45894baab4b2) [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 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] [stderr] Doc-tests htwg-scratchpad [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] [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" "444e694fdd6d5f83c5a7840f2ffc5a6d074c0ba4076e9cde29bd2e8edce8e155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "444e694fdd6d5f83c5a7840f2ffc5a6d074c0ba4076e9cde29bd2e8edce8e155", kill_on_drop: false }` [INFO] [stdout] 444e694fdd6d5f83c5a7840f2ffc5a6d074c0ba4076e9cde29bd2e8edce8e155