[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/htwg-scratchpad on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-2/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6e9d5627e3a1e28d86326e96ab0d093c9ae79ac3c796dee1a6d0771d2024b64 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a6e9d5627e3a1e28d86326e96ab0d093c9ae79ac3c796dee1a6d0771d2024b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6e9d5627e3a1e28d86326e96ab0d093c9ae79ac3c796dee1a6d0771d2024b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e9d5627e3a1e28d86326e96ab0d093c9ae79ac3c796dee1a6d0771d2024b64", kill_on_drop: false }` [INFO] [stdout] a6e9d5627e3a1e28d86326e96ab0d093c9ae79ac3c796dee1a6d0771d2024b64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31552797380d4584f6923d2c1c4656a9a970ebe45de14169e6a581030f05f4f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "31552797380d4584f6923d2c1c4656a9a970ebe45de14169e6a581030f05f4f4", 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 lazycell v0.4.0 [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 tokio-timer v0.1.1 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling tokio-core v0.1.7 [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 dev [unoptimized + debuginfo] target(s) in 12.94s [INFO] running `Command { std: "docker" "inspect" "31552797380d4584f6923d2c1c4656a9a970ebe45de14169e6a581030f05f4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31552797380d4584f6923d2c1c4656a9a970ebe45de14169e6a581030f05f4f4", kill_on_drop: false }` [INFO] [stdout] 31552797380d4584f6923d2c1c4656a9a970ebe45de14169e6a581030f05f4f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ed73369b9dc406855b31b539657304a207f4c1e55f9e6df3324677a5ff2201c1 [INFO] running `Command { std: "docker" "start" "-a" "ed73369b9dc406855b31b539657304a207f4c1e55f9e6df3324677a5ff2201c1", 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 2.66s [INFO] running `Command { std: "docker" "inspect" "ed73369b9dc406855b31b539657304a207f4c1e55f9e6df3324677a5ff2201c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed73369b9dc406855b31b539657304a207f4c1e55f9e6df3324677a5ff2201c1", kill_on_drop: false }` [INFO] [stdout] ed73369b9dc406855b31b539657304a207f4c1e55f9e6df3324677a5ff2201c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0ffccd8f997f653074162e5e676a1d5ab95bb7bf20e07bf7d76b7e43f85e0d19 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0ffccd8f997f653074162e5e676a1d5ab95bb7bf20e07bf7d76b7e43f85e0d19", kill_on_drop: false }` [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: unused `Result` that must be used [INFO] [stderr] --> src/bin/read_file.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `htwg-scratchpad` (bin "select" test) generated 1 warning [INFO] [stderr] warning: `htwg-scratchpad` (bin "read_file" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/htwg_scratchpad-10fdea10930d49f0) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/and_then-1d076c648d7ee5f1) [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/cpupool-bae9ba5467abf94c) [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/fork_join-b8cbff795514ecb4) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/read_file-2fd34e3bebeb52cb) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/select-4a010c698e88c918) [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] [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_combined-c8f42220f2f2d3bb) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/select_tokio-58d9dfd5db8cce3f) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio-5112af68a1d91dd1) [INFO] [stdout] [INFO] [stderr] Doc-tests htwg-scratchpad [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] [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] [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" "0ffccd8f997f653074162e5e676a1d5ab95bb7bf20e07bf7d76b7e43f85e0d19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ffccd8f997f653074162e5e676a1d5ab95bb7bf20e07bf7d76b7e43f85e0d19", kill_on_drop: false }` [INFO] [stdout] 0ffccd8f997f653074162e5e676a1d5ab95bb7bf20e07bf7d76b7e43f85e0d19