[INFO] fetching crate lsk 0.2.0...
[INFO] checking lsk-0.2.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate lsk 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lsk 0.2.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lsk 0.2.0
[INFO] finished tweaking crates.io crate lsk 0.2.0
[INFO] tweaked toml for crates.io crate lsk 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lsk 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md4 v0.8.0
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.4
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded crc8 v0.1.1
[INFO] [stderr]   Downloaded md2 v0.8.0
[INFO] [stderr]   Downloaded term_grid v0.1.7
[INFO] [stderr]   Downloaded xdotool v0.0.2
[INFO] [stderr]   Downloaded easy-hasher v2.1.1
[INFO] [stderr]   Downloaded cmd_lib v0.7.8
[INFO] [stderr]   Downloaded seahorse v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06af173ae9b10089a1100e36dbf0cadf869276b4a0deef34fa7607d2e0682446
[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" "06af173ae9b10089a1100e36dbf0cadf869276b4a0deef34fa7607d2e0682446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06af173ae9b10089a1100e36dbf0cadf869276b4a0deef34fa7607d2e0682446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06af173ae9b10089a1100e36dbf0cadf869276b4a0deef34fa7607d2e0682446", kill_on_drop: false }`
[INFO] [stdout] 06af173ae9b10089a1100e36dbf0cadf869276b4a0deef34fa7607d2e0682446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168c749d0270a31ac64c85fda650ef60d03096f6399283b40fcef8955b0d47c7
[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" "168c749d0270a31ac64c85fda650ef60d03096f6399283b40fcef8955b0d47c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking crc8 v0.1.1
[INFO] [stderr]     Checking xdotool v0.0.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking cmd_lib v0.7.8
[INFO] [stderr]     Checking seahorse v0.7.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking fuzzy-matcher v0.3.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md4 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking md2 v0.8.0
[INFO] [stderr]     Checking easy-hasher v2.1.1
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking lsk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "168c749d0270a31ac64c85fda650ef60d03096f6399283b40fcef8955b0d47c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168c749d0270a31ac64c85fda650ef60d03096f6399283b40fcef8955b0d47c7", kill_on_drop: false }`
[INFO] [stdout] 168c749d0270a31ac64c85fda650ef60d03096f6399283b40fcef8955b0d47c7