[INFO] cloning repository https://github.com/lochsh/colourblind-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochsh/colourblind-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochsh%2Fcolourblind-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochsh%2Fcolourblind-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 122dff0804bddfca2bf25e81c03a4e11e535ea15
[INFO] checking lochsh/colourblind-helper against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochsh%2Fcolourblind-helper" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lochsh/colourblind-helper on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lochsh/colourblind-helper
[INFO] finished tweaking git repo https://github.com/lochsh/colourblind-helper
[INFO] tweaked toml for git repo https://github.com/lochsh/colourblind-helper written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lochsh/colourblind-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded itertools v0.5.8
[INFO] [stderr]   Downloaded num_cpus v1.2.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.8
[INFO] [stderr]   Downloaded enum_primitive v0.1.0
[INFO] [stderr]   Downloaded rayon v0.5.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.7
[INFO] [stderr]   Downloaded png v0.5.2
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded image v0.10.4
[INFO] [stderr]   Downloaded gcc v0.3.39
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded quickcheck v0.3.2
[INFO] [stderr]   Downloaded imageproc v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4074aeca63dc8ec47e0ed12348e795df0607d8c03b583bea8bc0a22f29da30cb
[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" "4074aeca63dc8ec47e0ed12348e795df0607d8c03b583bea8bc0a22f29da30cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4074aeca63dc8ec47e0ed12348e795df0607d8c03b583bea8bc0a22f29da30cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4074aeca63dc8ec47e0ed12348e795df0607d8c03b583bea8bc0a22f29da30cb", kill_on_drop: false }`
[INFO] [stdout] 4074aeca63dc8ec47e0ed12348e795df0607d8c03b583bea8bc0a22f29da30cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a89fce920eb201eb0d9a6b4762c700a56cd8c3b6170f6349362ec4307fef77
[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" "e6a89fce920eb201eb0d9a6b4762c700a56cd8c3b6170f6349362ec4307fef77", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6a89fce920eb201eb0d9a6b4762c700a56cd8c3b6170f6349362ec4307fef77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a89fce920eb201eb0d9a6b4762c700a56cd8c3b6170f6349362ec4307fef77", kill_on_drop: false }`
[INFO] [stdout] e6a89fce920eb201eb0d9a6b4762c700a56cd8c3b6170f6349362ec4307fef77