[INFO] fetching crate lexx 0.1.0...
[INFO] checking lexx-0.1.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate lexx 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lexx 0.1.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexx 0.1.0
[INFO] finished tweaking crates.io crate lexx 0.1.0
[INFO] tweaked toml for crates.io crate lexx 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d4f517c5a532e8a8df6af13f8eb2505d68cc96aaf40afa1b41bc07b35b4db8
[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" "c6d4f517c5a532e8a8df6af13f8eb2505d68cc96aaf40afa1b41bc07b35b4db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d4f517c5a532e8a8df6af13f8eb2505d68cc96aaf40afa1b41bc07b35b4db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d4f517c5a532e8a8df6af13f8eb2505d68cc96aaf40afa1b41bc07b35b4db8", kill_on_drop: false }`
[INFO] [stdout] c6d4f517c5a532e8a8df6af13f8eb2505d68cc96aaf40afa1b41bc07b35b4db8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--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] b41c1253d37b075aa6517ca2c813dd958ad4805cdf9fe5e1764586722b8994de
[INFO] running `Command { std: "docker" "start" "-a" "b41c1253d37b075aa6517ca2c813dd958ad4805cdf9fe5e1764586722b8994de", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syntex_pos v0.46.0
[INFO] [stderr]     Checking syntex_errors v0.46.0
[INFO] [stderr]     Checking syntex_syntax v0.46.0
[INFO] [stderr]     Checking lexx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.71s
[INFO] running `Command { std: "docker" "inspect" "b41c1253d37b075aa6517ca2c813dd958ad4805cdf9fe5e1764586722b8994de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41c1253d37b075aa6517ca2c813dd958ad4805cdf9fe5e1764586722b8994de", kill_on_drop: false }`
[INFO] [stdout] b41c1253d37b075aa6517ca2c813dd958ad4805cdf9fe5e1764586722b8994de