[INFO] fetching crate fast_escape 0.1.0...
[INFO] testing fast_escape-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fast_escape 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fast_escape 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_escape 0.1.0
[INFO] finished tweaking crates.io crate fast_escape 0.1.0
[INFO] tweaked toml for crates.io crate fast_escape 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast_fmt v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ad8d209783b9aa68884bccb1e4a7dc37a95ef0cba214da1333bb8892b6b640
[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" "e9ad8d209783b9aa68884bccb1e4a7dc37a95ef0cba214da1333bb8892b6b640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ad8d209783b9aa68884bccb1e4a7dc37a95ef0cba214da1333bb8892b6b640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ad8d209783b9aa68884bccb1e4a7dc37a95ef0cba214da1333bb8892b6b640", kill_on_drop: false }`
[INFO] [stdout] e9ad8d209783b9aa68884bccb1e4a7dc37a95ef0cba214da1333bb8892b6b640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219f83a812f068a962ee6a6870bbbf159b56a8d618aafb2fe3c0a371e3f7bc0a
[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" "219f83a812f068a962ee6a6870bbbf159b56a8d618aafb2fe3c0a371e3f7bc0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.0.7
[INFO] [stderr]    Compiling fast_fmt v0.1.3
[INFO] [stderr]    Compiling fast_escape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "219f83a812f068a962ee6a6870bbbf159b56a8d618aafb2fe3c0a371e3f7bc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219f83a812f068a962ee6a6870bbbf159b56a8d618aafb2fe3c0a371e3f7bc0a", kill_on_drop: false }`
[INFO] [stdout] 219f83a812f068a962ee6a6870bbbf159b56a8d618aafb2fe3c0a371e3f7bc0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b04f76fd5e66e6c256a54fcac16886ae591c5be86c8fd14b016ce99b154930
[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" "66b04f76fd5e66e6c256a54fcac16886ae591c5be86c8fd14b016ce99b154930", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast_escape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "66b04f76fd5e66e6c256a54fcac16886ae591c5be86c8fd14b016ce99b154930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b04f76fd5e66e6c256a54fcac16886ae591c5be86c8fd14b016ce99b154930", kill_on_drop: false }`
[INFO] [stdout] 66b04f76fd5e66e6c256a54fcac16886ae591c5be86c8fd14b016ce99b154930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f9bec5ede7abcbf9c51fc232f01f6ee69f94b5c7914c4f97488f2d59c05acb9c
[INFO] running `Command { std: "docker" "start" "-a" "f9bec5ede7abcbf9c51fc232f01f6ee69f94b5c7914c4f97488f2d59c05acb9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast_escape-9b22158d61f71bb1
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests fast_escape
[INFO] [stdout] test tests::single_char ... ok
[INFO] [stdout] test tests::range ... ok
[INFO] [stdout] test tests::union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9bec5ede7abcbf9c51fc232f01f6ee69f94b5c7914c4f97488f2d59c05acb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bec5ede7abcbf9c51fc232f01f6ee69f94b5c7914c4f97488f2d59c05acb9c", kill_on_drop: false }`
[INFO] [stdout] f9bec5ede7abcbf9c51fc232f01f6ee69f94b5c7914c4f97488f2d59c05acb9c