[INFO] fetching crate byteio 0.2.3... [INFO] testing byteio-0.2.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate byteio 0.2.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate byteio 0.2.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate byteio 0.2.3 [INFO] finished tweaking crates.io crate byteio 0.2.3 [INFO] tweaked toml for crates.io crate byteio 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce235db2409c9b4e9eab08b996394f2acd74efee4322e2d2c9676cf8c06e38b9 [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" "ce235db2409c9b4e9eab08b996394f2acd74efee4322e2d2c9676cf8c06e38b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce235db2409c9b4e9eab08b996394f2acd74efee4322e2d2c9676cf8c06e38b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce235db2409c9b4e9eab08b996394f2acd74efee4322e2d2c9676cf8c06e38b9", kill_on_drop: false }` [INFO] [stdout] ce235db2409c9b4e9eab08b996394f2acd74efee4322e2d2c9676cf8c06e38b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 73af3ed46dad08ed99349ea75b0672efe29ac77d362e2f1dfbe491772b993b3c [INFO] running `Command { std: "docker" "start" "-a" "73af3ed46dad08ed99349ea75b0672efe29ac77d362e2f1dfbe491772b993b3c", kill_on_drop: false }` [INFO] [stderr] Compiling byteio v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "73af3ed46dad08ed99349ea75b0672efe29ac77d362e2f1dfbe491772b993b3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73af3ed46dad08ed99349ea75b0672efe29ac77d362e2f1dfbe491772b993b3c", kill_on_drop: false }` [INFO] [stdout] 73af3ed46dad08ed99349ea75b0672efe29ac77d362e2f1dfbe491772b993b3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d8b7bede93b8e42d6739837abc0596f0f7d0fe81ca456d854ea85733f9afafa [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" "7d8b7bede93b8e42d6739837abc0596f0f7d0fe81ca456d854ea85733f9afafa", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Compiling byteio v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.15s [INFO] running `Command { std: "docker" "inspect" "7d8b7bede93b8e42d6739837abc0596f0f7d0fe81ca456d854ea85733f9afafa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d8b7bede93b8e42d6739837abc0596f0f7d0fe81ca456d854ea85733f9afafa", kill_on_drop: false }` [INFO] [stdout] 7d8b7bede93b8e42d6739837abc0596f0f7d0fe81ca456d854ea85733f9afafa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d06468930bdbd49c058de4e6b7e2d970f3ed900ebbed246a3e86d9b4f0e1b83e [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" "d06468930bdbd49c058de4e6b7e2d970f3ed900ebbed246a3e86d9b4f0e1b83e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/byteio-53730d144239d733) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::display_error_end_of_stream ... ok [INFO] [stdout] test test::io_error_from_error_end_of_stream ... ok [INFO] [stdout] test test::display_error_nonexhaustive - should panic ... ok [INFO] [stdout] test test::io_error_from_error_nonexhaustive - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests byteio [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test src/lib.rs - ReadBytesExt (line 385) ... ok [INFO] [stdout] test src/lib.rs - WriteBytesExt (line 1103) ... ok [INFO] [stdout] test src/lib.rs - Reader::num_bytes_read (line 898) ... ok [INFO] [stdout] test src/lib.rs - ReadBytes (line 250) ... ok [INFO] [stdout] test src/lib.rs - Writer::into_inner (line 1652) ... ok [INFO] [stdout] test src/lib.rs - Writer::num_bytes_written (line 1634) ... ok [INFO] [stdout] test src/lib.rs - Writer (line 1581) ... ok [INFO] [stdout] test src/lib.rs - WriteBytes (line 992) ... ok [INFO] [stdout] test src/lib.rs - Error::EndOfStream (line 184) ... ok [INFO] [stdout] test src/lib.rs - Reader::new (line 881) ... ok [INFO] [stdout] test src/lib.rs - Writer::new (line 1617) ... ok [INFO] [stdout] test src/lib.rs - Result (line 138) ... ok [INFO] [stdout] test src/lib.rs - ReadBytes (line 268) ... ok [INFO] [stdout] test src/lib.rs - (line 48) ... ok [INFO] [stdout] test src/lib.rs - Reader::into_inner (line 918) ... ok [INFO] [stdout] test src/lib.rs - Reader (line 849) ... ok [INFO] [stdout] test src/lib.rs - prelude (line 115) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d06468930bdbd49c058de4e6b7e2d970f3ed900ebbed246a3e86d9b4f0e1b83e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d06468930bdbd49c058de4e6b7e2d970f3ed900ebbed246a3e86d9b4f0e1b83e", kill_on_drop: false }` [INFO] [stdout] d06468930bdbd49c058de4e6b7e2d970f3ed900ebbed246a3e86d9b4f0e1b83e