[INFO] fetching crate lxtrace 0.1.0...
[INFO] checking lxtrace-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate lxtrace 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lxtrace 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lxtrace 0.1.0
[INFO] finished tweaking crates.io crate lxtrace 0.1.0
[INFO] tweaked toml for crates.io crate lxtrace 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lxtrace 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0deb50d0310a371ce5c3cb20b0839efaef4b0ca01278b2c78b9bdb3f3c758acb
[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" "0deb50d0310a371ce5c3cb20b0839efaef4b0ca01278b2c78b9bdb3f3c758acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0deb50d0310a371ce5c3cb20b0839efaef4b0ca01278b2c78b9bdb3f3c758acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deb50d0310a371ce5c3cb20b0839efaef4b0ca01278b2c78b9bdb3f3c758acb", kill_on_drop: false }`
[INFO] [stdout] 0deb50d0310a371ce5c3cb20b0839efaef4b0ca01278b2c78b9bdb3f3c758acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 019fa695a3df7d7c5582876b0b2ef6ac43efb7ed72487c6d3e68001f7865ccda
[INFO] running `Command { std: "docker" "start" "-a" "019fa695a3df7d7c5582876b0b2ef6ac43efb7ed72487c6d3e68001f7865ccda", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unwind v0.3.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.16.0
[INFO] [stderr]    Compiling anyhow v1.0.18
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling unwind-sys v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling cpp_demangle v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling foreign-types-macros v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking rstack v0.3.1
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking tiny-nix-ipc v0.1.1
[INFO] [stderr]     Checking lxtrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "019fa695a3df7d7c5582876b0b2ef6ac43efb7ed72487c6d3e68001f7865ccda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019fa695a3df7d7c5582876b0b2ef6ac43efb7ed72487c6d3e68001f7865ccda", kill_on_drop: false }`
[INFO] [stdout] 019fa695a3df7d7c5582876b0b2ef6ac43efb7ed72487c6d3e68001f7865ccda