[INFO] cloning repository https://github.com/cmbrandenburg/ips-patch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmbrandenburg/ips-patch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Fips-patch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Fips-patch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f894ee933dce0e9b2874fc9fe5fe46ea70ffcd14
[INFO] checking cmbrandenburg/ips-patch against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Fips-patch" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmbrandenburg/ips-patch on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cmbrandenburg/ips-patch
[INFO] finished tweaking git repo https://github.com/cmbrandenburg/ips-patch
[INFO] tweaked toml for git repo https://github.com/cmbrandenburg/ips-patch written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cmbrandenburg/ips-patch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.16
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded memchr v0.1.7
[INFO] [stderr]   Downloaded docopt v0.6.78
[INFO] [stderr]   Downloaded regex v0.1.44
[INFO] [stderr]   Downloaded strsim v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e10957a914aed5389656ccdbe198e4c8b6ba26f4301ac44020071ca469f0bf
[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" "b9e10957a914aed5389656ccdbe198e4c8b6ba26f4301ac44020071ca469f0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e10957a914aed5389656ccdbe198e4c8b6ba26f4301ac44020071ca469f0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e10957a914aed5389656ccdbe198e4c8b6ba26f4301ac44020071ca469f0bf", kill_on_drop: false }`
[INFO] [stdout] b9e10957a914aed5389656ccdbe198e4c8b6ba26f4301ac44020071ca469f0bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e9ee14122a1e671c64522128733536e5dcf3c7636cf647af655a77c1a196d92
[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" "5e9ee14122a1e671c64522128733536e5dcf3c7636cf647af655a77c1a196d92", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[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-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking regex v0.1.44
[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" "5e9ee14122a1e671c64522128733536e5dcf3c7636cf647af655a77c1a196d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9ee14122a1e671c64522128733536e5dcf3c7636cf647af655a77c1a196d92", kill_on_drop: false }`
[INFO] [stdout] 5e9ee14122a1e671c64522128733536e5dcf3c7636cf647af655a77c1a196d92