[INFO] fetching crate rev_buf_reader 0.3.0...
[INFO] testing rev_buf_reader-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rev_buf_reader 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rev_buf_reader 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rev_buf_reader 0.3.0
[INFO] finished tweaking crates.io crate rev_buf_reader 0.3.0
[INFO] tweaked toml for crates.io crate rev_buf_reader 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ede1d0ae5547f759dcca631ab69dafb00c470b5c52f5c6d4de645485d6c4fa
[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" "38ede1d0ae5547f759dcca631ab69dafb00c470b5c52f5c6d4de645485d6c4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ede1d0ae5547f759dcca631ab69dafb00c470b5c52f5c6d4de645485d6c4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ede1d0ae5547f759dcca631ab69dafb00c470b5c52f5c6d4de645485d6c4fa", kill_on_drop: false }`
[INFO] [stdout] 38ede1d0ae5547f759dcca631ab69dafb00c470b5c52f5c6d4de645485d6c4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 410eb01e75b5129cb3fbdbac3eb28cf288f8dc4d2e74fc3ae9de5f315e510ce4
[INFO] running `Command { std: "docker" "start" "-a" "410eb01e75b5129cb3fbdbac3eb28cf288f8dc4d2e74fc3ae9de5f315e510ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_buf_reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "410eb01e75b5129cb3fbdbac3eb28cf288f8dc4d2e74fc3ae9de5f315e510ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410eb01e75b5129cb3fbdbac3eb28cf288f8dc4d2e74fc3ae9de5f315e510ce4", kill_on_drop: false }`
[INFO] [stdout] 410eb01e75b5129cb3fbdbac3eb28cf288f8dc4d2e74fc3ae9de5f315e510ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 3f7d5e02049ff5d995aa4d901ab87c0a69d638856aee893b90dc8b5401f0fe6f
[INFO] running `Command { std: "docker" "start" "-a" "3f7d5e02049ff5d995aa4d901ab87c0a69d638856aee893b90dc8b5401f0fe6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_buf_reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rev_buf_reader-8dccad63afdbfd2b)
[INFO] running `Command { std: "docker" "inspect" "3f7d5e02049ff5d995aa4d901ab87c0a69d638856aee893b90dc8b5401f0fe6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7d5e02049ff5d995aa4d901ab87c0a69d638856aee893b90dc8b5401f0fe6f", kill_on_drop: false }`
[INFO] [stdout] 3f7d5e02049ff5d995aa4d901ab87c0a69d638856aee893b90dc8b5401f0fe6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b6e6838347263029b2008e979169e16b9b677dc20afbe08536d54b8d795293f3
[INFO] running `Command { std: "docker" "start" "-a" "b6e6838347263029b2008e979169e16b9b677dc20afbe08536d54b8d795293f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rev_buf_reader-8dccad63afdbfd2b)
[INFO] [stdout] running 10 tests
[INFO] [stderr]    Doc-tests rev_buf_reader
[INFO] [stdout] test tests::test_buffered_reader ... ok
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_read ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_relative ... ok
[INFO] [stdout] test tests::test_read_line ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_underflow_discard_buffer_between_seeks ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test tests::test_lines ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_seek ... ok
[INFO] [stdout] test tests::test_read_until ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::capacity (line 270) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_mut (line 222) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_ref (line 200) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::buffer (line 246) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader (line 87) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::into_inner (line 297) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::new (line 115) - compile ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::with_capacity (line 135) - compile ... 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. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6e6838347263029b2008e979169e16b9b677dc20afbe08536d54b8d795293f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e6838347263029b2008e979169e16b9b677dc20afbe08536d54b8d795293f3", kill_on_drop: false }`
[INFO] [stdout] b6e6838347263029b2008e979169e16b9b677dc20afbe08536d54b8d795293f3