[INFO] fetching crate fast_escape 0.1.0...
[INFO] testing fast_escape-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fast_escape 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fast_escape 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62243a5130ed856373d3910cbd8aff6e5b68b8363f91150f6a1ab5a8a3733ea8
[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" "62243a5130ed856373d3910cbd8aff6e5b68b8363f91150f6a1ab5a8a3733ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62243a5130ed856373d3910cbd8aff6e5b68b8363f91150f6a1ab5a8a3733ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62243a5130ed856373d3910cbd8aff6e5b68b8363f91150f6a1ab5a8a3733ea8", kill_on_drop: false }`
[INFO] [stdout] 62243a5130ed856373d3910cbd8aff6e5b68b8363f91150f6a1ab5a8a3733ea8
[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" "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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5304ab560c0da018b0e3d221d9d5709719e730b32f379238a8b20e111d3e99a4
[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" "5304ab560c0da018b0e3d221d9d5709719e730b32f379238a8b20e111d3e99a4", 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 2.13s
[INFO] running `Command { std: "docker" "inspect" "5304ab560c0da018b0e3d221d9d5709719e730b32f379238a8b20e111d3e99a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5304ab560c0da018b0e3d221d9d5709719e730b32f379238a8b20e111d3e99a4", kill_on_drop: false }`
[INFO] [stdout] 5304ab560c0da018b0e3d221d9d5709719e730b32f379238a8b20e111d3e99a4
[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" "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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19e02f823e3d9ed61e3673abb6052d92fce4f5c16cb95d0c570f6707c40c6f7
[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" "f19e02f823e3d9ed61e3673abb6052d92fce4f5c16cb95d0c570f6707c40c6f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fast_escape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "f19e02f823e3d9ed61e3673abb6052d92fce4f5c16cb95d0c570f6707c40c6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19e02f823e3d9ed61e3673abb6052d92fce4f5c16cb95d0c570f6707c40c6f7", kill_on_drop: false }`
[INFO] [stdout] f19e02f823e3d9ed61e3673abb6052d92fce4f5c16cb95d0c570f6707c40c6f7
[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" "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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcb3a739cc5ab7952b4ad57dcd289bd4fc0749dd941f63d084a2b86a84485278
[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" "fcb3a739cc5ab7952b4ad57dcd289bd4fc0749dd941f63d084a2b86a84485278", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast_escape-901ff2c16935fdb1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::range ... ok
[INFO] [stdout] test tests::union ... ok
[INFO] [stdout] test tests::single_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_escape
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcb3a739cc5ab7952b4ad57dcd289bd4fc0749dd941f63d084a2b86a84485278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb3a739cc5ab7952b4ad57dcd289bd4fc0749dd941f63d084a2b86a84485278", kill_on_drop: false }`
[INFO] [stdout] fcb3a739cc5ab7952b4ad57dcd289bd4fc0749dd941f63d084a2b86a84485278