[INFO] cloning repository https://github.com/timglabisch/rust_read_stdin_benchmark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timglabisch/rust_read_stdin_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Frust_read_stdin_benchmark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Frust_read_stdin_benchmark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0413bf50024e73fe466034dc1b8aebd31698d54e [INFO] testing timglabisch/rust_read_stdin_benchmark against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Frust_read_stdin_benchmark" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timglabisch/rust_read_stdin_benchmark 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 git repo https://github.com/timglabisch/rust_read_stdin_benchmark [INFO] finished tweaking git repo https://github.com/timglabisch/rust_read_stdin_benchmark [INFO] tweaked toml for git repo https://github.com/timglabisch/rust_read_stdin_benchmark written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/timglabisch/rust_read_stdin_benchmark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 48fbe29af96e52e5b173ecd505aff2d07e54eed66c445066d8f644d3f9fe1961 [INFO] running `Command { std: "docker" "start" "-a" "48fbe29af96e52e5b173ecd505aff2d07e54eed66c445066d8f644d3f9fe1961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48fbe29af96e52e5b173ecd505aff2d07e54eed66c445066d8f644d3f9fe1961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48fbe29af96e52e5b173ecd505aff2d07e54eed66c445066d8f644d3f9fe1961", kill_on_drop: false }` [INFO] [stdout] 48fbe29af96e52e5b173ecd505aff2d07e54eed66c445066d8f644d3f9fe1961 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] aecf8f70a1c47912e3cbf1af182ac895c013edd488f776e12a2f9de9ec6367e7 [INFO] running `Command { std: "docker" "start" "-a" "aecf8f70a1c47912e3cbf1af182ac895c013edd488f776e12a2f9de9ec6367e7", kill_on_drop: false }` [INFO] [stderr] Compiling nom v1.2.4 [INFO] [stderr] Compiling bytereader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/bin/slow_consumer.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let row = Row { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/bin/consumer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/bin/consumer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/consumer.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut a = std::io::stdin(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "aecf8f70a1c47912e3cbf1af182ac895c013edd488f776e12a2f9de9ec6367e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aecf8f70a1c47912e3cbf1af182ac895c013edd488f776e12a2f9de9ec6367e7", kill_on_drop: false }` [INFO] [stdout] aecf8f70a1c47912e3cbf1af182ac895c013edd488f776e12a2f9de9ec6367e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] be9ca16ea57ea5f8b7522778ecfa750aab6f6b665222c8dafd43c43eaef01faa [INFO] running `Command { std: "docker" "start" "-a" "be9ca16ea57ea5f8b7522778ecfa750aab6f6b665222c8dafd43c43eaef01faa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bytereader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/bin/consumer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/bin/consumer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/bin/slow_consumer.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let row = Row { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/consumer.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut a = std::io::stdin(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.00s [INFO] running `Command { std: "docker" "inspect" "be9ca16ea57ea5f8b7522778ecfa750aab6f6b665222c8dafd43c43eaef01faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9ca16ea57ea5f8b7522778ecfa750aab6f6b665222c8dafd43c43eaef01faa", kill_on_drop: false }` [INFO] [stdout] be9ca16ea57ea5f8b7522778ecfa750aab6f6b665222c8dafd43c43eaef01faa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 6713f46d359cac588a9b1746338cfef96d15545db0d214778af2a0fd32f4fbc6 [INFO] running `Command { std: "docker" "start" "-a" "6713f46d359cac588a9b1746338cfef96d15545db0d214778af2a0fd32f4fbc6", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/bin/consumer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/bin/consumer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/consumer.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let mut a = std::io::stdin(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `bytereader` (bin "consumer" test) generated 3 warnings [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/bin/slow_consumer.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let row = Row { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `bytereader` (bin "slow_consumer" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/consumer-718690b8a61f3034) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/producer-4d027431460fc33c) [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/slow_consumer-5dceaf254946674b) [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" "6713f46d359cac588a9b1746338cfef96d15545db0d214778af2a0fd32f4fbc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6713f46d359cac588a9b1746338cfef96d15545db0d214778af2a0fd32f4fbc6", kill_on_drop: false }` [INFO] [stdout] 6713f46d359cac588a9b1746338cfef96d15545db0d214778af2a0fd32f4fbc6