[INFO] fetching crate brokaw 0.2.0...
[INFO] checking brokaw-0.2.0 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate brokaw 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate brokaw 0.2.0 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brokaw 0.2.0
[INFO] finished tweaking crates.io crate brokaw 0.2.0
[INFO] tweaked toml for crates.io crate brokaw 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate brokaw 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.1
[INFO] [stderr]   Downloaded core-foundation v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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] a100eae440e52fe10e581cf507ba9a50847abb6baa7490c74946e9b5b2ed9d7d
[INFO] running `Command { std: "docker" "start" "-a" "a100eae440e52fe10e581cf507ba9a50847abb6baa7490c74946e9b5b2ed9d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a100eae440e52fe10e581cf507ba9a50847abb6baa7490c74946e9b5b2ed9d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a100eae440e52fe10e581cf507ba9a50847abb6baa7490c74946e9b5b2ed9d7d", kill_on_drop: false }`
[INFO] [stdout] a100eae440e52fe10e581cf507ba9a50847abb6baa7490c74946e9b5b2ed9d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a534065962349a5221a01209ef4d2186a499f436e9efbb608d6a172eae0a4c1b
[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" "a534065962349a5221a01209ef4d2186a499f436e9efbb608d6a172eae0a4c1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking num_enum v0.5.0
[INFO] [stderr]     Checking brokaw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "a534065962349a5221a01209ef4d2186a499f436e9efbb608d6a172eae0a4c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a534065962349a5221a01209ef4d2186a499f436e9efbb608d6a172eae0a4c1b", kill_on_drop: false }`
[INFO] [stdout] a534065962349a5221a01209ef4d2186a499f436e9efbb608d6a172eae0a4c1b