[INFO] fetching crate root-ls 0.2.0...
[INFO] testing root-ls-0.2.0 against 1.52.1 for beta-1.52-2
[INFO] extracting crate root-ls 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate root-ls 0.2.0 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate root-ls 0.2.0
[INFO] finished tweaking crates.io crate root-ls 0.2.0
[INFO] tweaked toml for crates.io crate root-ls 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate root-ls 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 8fe05933bf0fae2bac9dbf691d41ca35d4f82a8bdda3f2f5b702cd8ca6d18da6
[INFO] running `Command { std: "docker" "start" "-a" "8fe05933bf0fae2bac9dbf691d41ca35d4f82a8bdda3f2f5b702cd8ca6d18da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe05933bf0fae2bac9dbf691d41ca35d4f82a8bdda3f2f5b702cd8ca6d18da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe05933bf0fae2bac9dbf691d41ca35d4f82a8bdda3f2f5b702cd8ca6d18da6", kill_on_drop: false }`
[INFO] [stdout] 8fe05933bf0fae2bac9dbf691d41ca35d4f82a8bdda3f2f5b702cd8ca6d18da6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f4dc4de5b152b238da384c227feee6518ba91777800e7c0158bc392fdbc2a52
[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" "7f4dc4de5b152b238da384c227feee6518ba91777800e7c0158bc392fdbc2a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rustfmt v0.9.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling lzma-rs v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling alice-open-data v0.5.0
[INFO] [stderr]    Compiling root-io v0.3.0
[INFO] [stderr]    Compiling root-ls v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "7f4dc4de5b152b238da384c227feee6518ba91777800e7c0158bc392fdbc2a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4dc4de5b152b238da384c227feee6518ba91777800e7c0158bc392fdbc2a52", kill_on_drop: false }`
[INFO] [stdout] 7f4dc4de5b152b238da384c227feee6518ba91777800e7c0158bc392fdbc2a52
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] ca921e4a88d09202823ee9e942a20b2ff94e73232c07b70b8a1f774f6c4fed95
[INFO] running `Command { std: "docker" "start" "-a" "ca921e4a88d09202823ee9e942a20b2ff94e73232c07b70b8a1f774f6c4fed95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling root-ls v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "ca921e4a88d09202823ee9e942a20b2ff94e73232c07b70b8a1f774f6c4fed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca921e4a88d09202823ee9e942a20b2ff94e73232c07b70b8a1f774f6c4fed95", kill_on_drop: false }`
[INFO] [stdout] ca921e4a88d09202823ee9e942a20b2ff94e73232c07b70b8a1f774f6c4fed95
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c9e7c6cd68bbbe1e392d126f7b72eebcfb280c0200c8f836c658cc87423f5e9
[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" "4c9e7c6cd68bbbe1e392d126f7b72eebcfb280c0200c8f836c658cc87423f5e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/root_ls-28d1c57c03dabebc)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c9e7c6cd68bbbe1e392d126f7b72eebcfb280c0200c8f836c658cc87423f5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9e7c6cd68bbbe1e392d126f7b72eebcfb280c0200c8f836c658cc87423f5e9", kill_on_drop: false }`
[INFO] [stdout] 4c9e7c6cd68bbbe1e392d126f7b72eebcfb280c0200c8f836c658cc87423f5e9