[INFO] crate rev_buf_reader 0.2.0 is already in cache
[INFO] testing rev_buf_reader-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate rev_buf_reader 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rev_buf_reader 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rev_buf_reader 0.2.0
[INFO] finished tweaking crates.io crate rev_buf_reader 0.2.0
[INFO] tweaked toml for crates.io crate rev_buf_reader 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 8349826facf2f890af4f59a83918d9c7ff40aa22cc3305b73eb8b069c2838c49
[INFO] running `Command { std: "docker" "start" "-a" "8349826facf2f890af4f59a83918d9c7ff40aa22cc3305b73eb8b069c2838c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8349826facf2f890af4f59a83918d9c7ff40aa22cc3305b73eb8b069c2838c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8349826facf2f890af4f59a83918d9c7ff40aa22cc3305b73eb8b069c2838c49", kill_on_drop: false }`
[INFO] [stdout] 8349826facf2f890af4f59a83918d9c7ff40aa22cc3305b73eb8b069c2838c49
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] a623a67d8eeed7e22a6a6708a789693a72deabc58e36d6d37a60f7acca9b4a85
[INFO] running `Command { std: "docker" "start" "-a" "a623a67d8eeed7e22a6a6708a789693a72deabc58e36d6d37a60f7acca9b4a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_buf_reader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a623a67d8eeed7e22a6a6708a789693a72deabc58e36d6d37a60f7acca9b4a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a623a67d8eeed7e22a6a6708a789693a72deabc58e36d6d37a60f7acca9b4a85", kill_on_drop: false }`
[INFO] [stdout] a623a67d8eeed7e22a6a6708a789693a72deabc58e36d6d37a60f7acca9b4a85
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] db6e5e07f77011d6b0cc5049a494443be0e31d92e3c72384e76d470e34308036
[INFO] running `Command { std: "docker" "start" "-a" "db6e5e07f77011d6b0cc5049a494443be0e31d92e3c72384e76d470e34308036", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_buf_reader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "db6e5e07f77011d6b0cc5049a494443be0e31d92e3c72384e76d470e34308036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6e5e07f77011d6b0cc5049a494443be0e31d92e3c72384e76d470e34308036", kill_on_drop: false }`
[INFO] [stdout] db6e5e07f77011d6b0cc5049a494443be0e31d92e3c72384e76d470e34308036
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 53f120642ae04145532eef39f369f64448e6bbc1fc49cf17a2d37d349d0d7055
[INFO] running `Command { std: "docker" "start" "-a" "53f120642ae04145532eef39f369f64448e6bbc1fc49cf17a2d37d349d0d7055", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rev_buf_reader-ce861df6c24514e2
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_read ... ok
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_seek ... ok
[INFO] [stdout] test tests::test_buffered_reader ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_relative ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_underflow_discard_buffer_between_seeks ... ok
[INFO] [stdout] test tests::test_read_line ... ok
[INFO] [stdout] test tests::test_read_until ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test tests::test_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rev_buf_reader
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - RevBufReader (line 175) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_mut (line 310) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::new (line 203) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::buffer (line 332) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::into_inner (line 359) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::with_capacity (line 223) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_ref (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53f120642ae04145532eef39f369f64448e6bbc1fc49cf17a2d37d349d0d7055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f120642ae04145532eef39f369f64448e6bbc1fc49cf17a2d37d349d0d7055", kill_on_drop: false }`
[INFO] [stdout] 53f120642ae04145532eef39f369f64448e6bbc1fc49cf17a2d37d349d0d7055