[INFO] fetching crate byteio 0.2.3...
[INFO] testing byteio-0.2.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate byteio 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate byteio 0.2.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe100df843403ce1be2db8039e89b522f16f0c943fb284701253083d644bec20
[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" "fe100df843403ce1be2db8039e89b522f16f0c943fb284701253083d644bec20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe100df843403ce1be2db8039e89b522f16f0c943fb284701253083d644bec20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe100df843403ce1be2db8039e89b522f16f0c943fb284701253083d644bec20", kill_on_drop: false }`
[INFO] [stdout] fe100df843403ce1be2db8039e89b522f16f0c943fb284701253083d644bec20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ce12246daa8edcf881552c7190d0e487ec60c27ca6324bde5b05d415fdc6367
[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" "2ce12246daa8edcf881552c7190d0e487ec60c27ca6324bde5b05d415fdc6367", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2ce12246daa8edcf881552c7190d0e487ec60c27ca6324bde5b05d415fdc6367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce12246daa8edcf881552c7190d0e487ec60c27ca6324bde5b05d415fdc6367", kill_on_drop: false }`
[INFO] [stdout] 2ce12246daa8edcf881552c7190d0e487ec60c27ca6324bde5b05d415fdc6367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7105639e01f780eaf572d1c9e0b821da4daec4b8e00a3a3407cc0df0a0c2b27
[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" "c7105639e01f780eaf572d1c9e0b821da4daec4b8e00a3a3407cc0df0a0c2b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling byteio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "c7105639e01f780eaf572d1c9e0b821da4daec4b8e00a3a3407cc0df0a0c2b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7105639e01f780eaf572d1c9e0b821da4daec4b8e00a3a3407cc0df0a0c2b27", kill_on_drop: false }`
[INFO] [stdout] c7105639e01f780eaf572d1c9e0b821da4daec4b8e00a3a3407cc0df0a0c2b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 0e64e6fbf8bef6d3ba894f0e6819ea61426954d7c3f3cb97bd589f710c4aa240
[INFO] running `Command { std: "docker" "start" "-a" "0e64e6fbf8bef6d3ba894f0e6819ea61426954d7c3f3cb97bd589f710c4aa240", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byteio-207209fa8a3fdc8e)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::io_error_from_error_end_of_stream ... ok
[INFO] [stdout] test test::display_error_end_of_stream ... ok
[INFO] [stdout] test test::io_error_from_error_nonexhaustive - should panic ... ok
[INFO] [stdout] test test::display_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 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byteio
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - Reader::new (line 881) ... ok
[INFO] [stdout] test src/lib.rs - Result (line 138) ... ok
[INFO] [stdout] test src/lib.rs - WriteBytesExt (line 1103) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytes (line 268) ... ok
[INFO] [stdout] test src/lib.rs - Reader::num_bytes_read (line 898) ... ok
[INFO] [stdout] test src/lib.rs - Reader::into_inner (line 918) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytesExt (line 385) ... ok
[INFO] [stdout] test src/lib.rs - Writer<W>::num_bytes_written (line 1634) ... ok
[INFO] [stdout] test src/lib.rs - Writer<W>::new (line 1617) ... ok
[INFO] [stdout] test src/lib.rs - Reader (line 849) ... ok
[INFO] [stdout] test src/lib.rs - Error::EndOfStream (line 184) ... ok
[INFO] [stdout] test src/lib.rs - WriteBytes (line 992) ... ok
[INFO] [stdout] test src/lib.rs - Writer<W>::into_inner (line 1652) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytes (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Writer (line 1581) ... 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 2.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e64e6fbf8bef6d3ba894f0e6819ea61426954d7c3f3cb97bd589f710c4aa240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e64e6fbf8bef6d3ba894f0e6819ea61426954d7c3f3cb97bd589f710c4aa240", kill_on_drop: false }`
[INFO] [stdout] 0e64e6fbf8bef6d3ba894f0e6819ea61426954d7c3f3cb97bd589f710c4aa240