[INFO] fetching crate markable_reader 2.1.1...
[INFO] testing markable_reader-2.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate markable_reader 2.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate markable_reader 2.1.1
[INFO] finished tweaking crates.io crate markable_reader 2.1.1
[INFO] tweaked toml for crates.io crate markable_reader 2.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markable_reader 2.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba4fc6a3cd6eb5b07aaa44726922fb4d43cdeb30e707c819790c54ced19364e7
[INFO] running `Command { std: "docker" "start" "-a" "ba4fc6a3cd6eb5b07aaa44726922fb4d43cdeb30e707c819790c54ced19364e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba4fc6a3cd6eb5b07aaa44726922fb4d43cdeb30e707c819790c54ced19364e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4fc6a3cd6eb5b07aaa44726922fb4d43cdeb30e707c819790c54ced19364e7", kill_on_drop: false }`
[INFO] [stdout] ba4fc6a3cd6eb5b07aaa44726922fb4d43cdeb30e707c819790c54ced19364e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5dafcb212c0df04a81988477328a7aafe018290917d2681ddf4812d54c585e
[INFO] running `Command { std: "docker" "start" "-a" "ba5dafcb212c0df04a81988477328a7aafe018290917d2681ddf4812d54c585e", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ba5dafcb212c0df04a81988477328a7aafe018290917d2681ddf4812d54c585e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5dafcb212c0df04a81988477328a7aafe018290917d2681ddf4812d54c585e", kill_on_drop: false }`
[INFO] [stdout] ba5dafcb212c0df04a81988477328a7aafe018290917d2681ddf4812d54c585e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efd1f4cf2add80733e5204157205188bfec4b3776b2750007f91617f430e6d3
[INFO] running `Command { std: "docker" "start" "-a" "2efd1f4cf2add80733e5204157205188bfec4b3776b2750007f91617f430e6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "2efd1f4cf2add80733e5204157205188bfec4b3776b2750007f91617f430e6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efd1f4cf2add80733e5204157205188bfec4b3776b2750007f91617f430e6d3", kill_on_drop: false }`
[INFO] [stdout] 2efd1f4cf2add80733e5204157205188bfec4b3776b2750007f91617f430e6d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50fc04e924ded1332ce3127edd80da6a5d46e28487eba9cc7a8cc39b41e47c5c
[INFO] running `Command { std: "docker" "start" "-a" "50fc04e924ded1332ce3127edd80da6a5d46e28487eba9cc7a8cc39b41e47c5c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markable_reader-15f9e039ce04c9a7)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test io::buffer::tests::test_exceeding_limit ... ok
[INFO] [stdout] test io::buffer::tests::test_reusing_space ... ok
[INFO] [stdout] test io::buffer::tests::test_simple_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_attempt_to_overread ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::buffer::tests::test_dynamic_growing ... ok
[INFO] [stdout] test io::buffer::tests::test_use_after_clear ... ok
[INFO] [stderr]    Doc-tests markable_reader
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "50fc04e924ded1332ce3127edd80da6a5d46e28487eba9cc7a8cc39b41e47c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fc04e924ded1332ce3127edd80da6a5d46e28487eba9cc7a8cc39b41e47c5c", kill_on_drop: false }`
[INFO] [stdout] 50fc04e924ded1332ce3127edd80da6a5d46e28487eba9cc7a8cc39b41e47c5c