[INFO] crate thread_io 0.2.0 is already in cache [INFO] testing thread_io-0.2.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate thread_io 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate thread_io 0.2.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate thread_io 0.2.0 [INFO] finished tweaking crates.io crate thread_io 0.2.0 [INFO] tweaked toml for crates.io crate thread_io 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 3b62dc3ef39ff88ef95dad3a520ebe1dd60b91b777739687659d66b65916feb5 [INFO] running `Command { std: "docker" "start" "-a" "3b62dc3ef39ff88ef95dad3a520ebe1dd60b91b777739687659d66b65916feb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b62dc3ef39ff88ef95dad3a520ebe1dd60b91b777739687659d66b65916feb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b62dc3ef39ff88ef95dad3a520ebe1dd60b91b777739687659d66b65916feb5", kill_on_drop: false }` [INFO] [stdout] 3b62dc3ef39ff88ef95dad3a520ebe1dd60b91b777739687659d66b65916feb5 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48b1197b7065edc286e10d62b377fde85dd0656f5c2ae3156171eff44b23abe1 [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" "48b1197b7065edc286e10d62b377fde85dd0656f5c2ae3156171eff44b23abe1", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling crossbeam v0.6.0 [INFO] [stderr] Compiling thread_io v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `Command { std: "docker" "inspect" "48b1197b7065edc286e10d62b377fde85dd0656f5c2ae3156171eff44b23abe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48b1197b7065edc286e10d62b377fde85dd0656f5c2ae3156171eff44b23abe1", kill_on_drop: false }` [INFO] [stdout] 48b1197b7065edc286e10d62b377fde85dd0656f5c2ae3156171eff44b23abe1 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 909a097636766f6121f21018f63eeb50a3ed724bf3ba28e4bf295b08f736807d [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" "909a097636766f6121f21018f63eeb50a3ed724bf3ba28e4bf295b08f736807d", kill_on_drop: false }` [INFO] [stderr] Compiling thread_io v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/read.rs:64:25 [INFO] [stdout] | [INFO] [stdout] 64 | let mut rdr = Reader::new(text, rdr_block_size, ::std::usize::MAX); [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: variable does not need to be mutable [INFO] [stdout] --> tests/read.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | let mut rdr = Reader::new(text, rdr_block_size, ::std::usize::MAX); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/read.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut rdr = Reader::new(text, channel_bufsize, len / channel_bufsize); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/write.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | let mut w = writer_init_finish( [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "909a097636766f6121f21018f63eeb50a3ed724bf3ba28e4bf295b08f736807d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "909a097636766f6121f21018f63eeb50a3ed724bf3ba28e4bf295b08f736807d", kill_on_drop: false }` [INFO] [stdout] 909a097636766f6121f21018f63eeb50a3ed724bf3ba28e4bf295b08f736807d [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 75f10bf3d82592923ee7bff9087b290cb1a6a2b2ff30edf9bdbb3ce7a57817be [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" "75f10bf3d82592923ee7bff9087b290cb1a6a2b2ff30edf9bdbb3ce7a57817be", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/read.rs:64:25 [INFO] [stderr] | [INFO] [stderr] 64 | let mut rdr = Reader::new(text, rdr_block_size, ::std::usize::MAX); [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: variable does not need to be mutable [INFO] [stderr] --> tests/read.rs:68:25 [INFO] [stderr] | [INFO] [stderr] 68 | let mut rdr = Reader::new(text, rdr_block_size, ::std::usize::MAX); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/read.rs:94:17 [INFO] [stderr] | [INFO] [stderr] 94 | let mut rdr = Reader::new(text, channel_bufsize, len / channel_bufsize); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/write.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | let mut w = writer_init_finish( [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/thread_io-c38664ab4d0579b7 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/read-2dcfca7bb97cbc4b [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test reader_init_fail ... ok [INFO] [stdout] test read_fail ... ok [INFO] [stdout] test read ... test read has been running for over 60 seconds [INFO] [stdout] test read ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/write-9f402ff9910ee43b [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test writer_init_fail ... ok [INFO] [stdout] test write_thread ... test write_thread has been running for over 60 seconds [INFO] [stdout] test write_fail ... test write_fail has been running for over 60 seconds [INFO] [stdout] test write_fail ... ok [INFO] [stdout] test write_thread ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests thread_io [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/read.rs - read::reader_init (line 216) ... ok [INFO] [stdout] test src/write.rs - write::writer_init (line 188) ... ok [INFO] [stdout] test src/write.rs - write::writer_finish (line 226) ... ok [INFO] [stdout] test src/write.rs - write::writer (line 161) ... ok [INFO] [stdout] test src/read.rs - read::reader (line 189) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "75f10bf3d82592923ee7bff9087b290cb1a6a2b2ff30edf9bdbb3ce7a57817be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75f10bf3d82592923ee7bff9087b290cb1a6a2b2ff30edf9bdbb3ce7a57817be", kill_on_drop: false }` [INFO] [stdout] 75f10bf3d82592923ee7bff9087b290cb1a6a2b2ff30edf9bdbb3ce7a57817be