[INFO] crate linebuf 0.0.2 is already in cache
[INFO] testing linebuf-0.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate linebuf 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate linebuf 0.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linebuf 0.0.2
[INFO] finished tweaking crates.io crate linebuf 0.0.2
[INFO] tweaked toml for crates.io crate linebuf 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9180a53c3c98e1c382e2df9dfd914a8cf9b26ec143f6e0d08c0370847c2518e8
[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" "9180a53c3c98e1c382e2df9dfd914a8cf9b26ec143f6e0d08c0370847c2518e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9180a53c3c98e1c382e2df9dfd914a8cf9b26ec143f6e0d08c0370847c2518e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9180a53c3c98e1c382e2df9dfd914a8cf9b26ec143f6e0d08c0370847c2518e8", kill_on_drop: false }`
[INFO] [stdout] 9180a53c3c98e1c382e2df9dfd914a8cf9b26ec143f6e0d08c0370847c2518e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 3ebd4cee9b32b95de5b52a5875f70387bf54b927da26f5613df7156a06c7546e
[INFO] running `Command { std: "docker" "start" "-a" "3ebd4cee9b32b95de5b52a5875f70387bf54b927da26f5613df7156a06c7546e", kill_on_drop: false }`
[INFO] [stderr]    Compiling linebuf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3ebd4cee9b32b95de5b52a5875f70387bf54b927da26f5613df7156a06c7546e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebd4cee9b32b95de5b52a5875f70387bf54b927da26f5613df7156a06c7546e", kill_on_drop: false }`
[INFO] [stdout] 3ebd4cee9b32b95de5b52a5875f70387bf54b927da26f5613df7156a06c7546e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7c370a6c307ff78ba38c2ff1d203b93e4759b5485e3d56df7096720d1bc79e
[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" "0e7c370a6c307ff78ba38c2ff1d203b93e4759b5485e3d56df7096720d1bc79e", kill_on_drop: false }`
[INFO] [stderr]    Compiling linebuf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0e7c370a6c307ff78ba38c2ff1d203b93e4759b5485e3d56df7096720d1bc79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7c370a6c307ff78ba38c2ff1d203b93e4759b5485e3d56df7096720d1bc79e", kill_on_drop: false }`
[INFO] [stdout] 0e7c370a6c307ff78ba38c2ff1d203b93e4759b5485e3d56df7096720d1bc79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c063cb948b6a924dfa684863ae5a1ab124ce739dbd7a3272e9d3639f3f36656f
[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" "c063cb948b6a924dfa684863ae5a1ab124ce739dbd7a3272e9d3639f3f36656f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linebuf-f2329f465de9abcc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::try_read_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linebuf
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c063cb948b6a924dfa684863ae5a1ab124ce739dbd7a3272e9d3639f3f36656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c063cb948b6a924dfa684863ae5a1ab124ce739dbd7a3272e9d3639f3f36656f", kill_on_drop: false }`
[INFO] [stdout] c063cb948b6a924dfa684863ae5a1ab124ce739dbd7a3272e9d3639f3f36656f