[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#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Fips-patch" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmbrandenburg/ips-patch on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-12/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v0.1.7
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded regex v0.1.44
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded docopt v0.6.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdcc872f780225c06ac1abc3d8b96834d6290039a019629a6f4a833174699ee6
[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" "bdcc872f780225c06ac1abc3d8b96834d6290039a019629a6f4a833174699ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdcc872f780225c06ac1abc3d8b96834d6290039a019629a6f4a833174699ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcc872f780225c06ac1abc3d8b96834d6290039a019629a6f4a833174699ee6", kill_on_drop: false }`
[INFO] [stdout] bdcc872f780225c06ac1abc3d8b96834d6290039a019629a6f4a833174699ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14bcfcad220293dff2c04b50fd499de2af9d193360fbdf7ae578a5ee82578e0e
[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" "14bcfcad220293dff2c04b50fd499de2af9d193360fbdf7ae578a5ee82578e0e", 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] running `Command { std: "docker" "inspect" "14bcfcad220293dff2c04b50fd499de2af9d193360fbdf7ae578a5ee82578e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bcfcad220293dff2c04b50fd499de2af9d193360fbdf7ae578a5ee82578e0e", kill_on_drop: false }`
[INFO] [stdout] 14bcfcad220293dff2c04b50fd499de2af9d193360fbdf7ae578a5ee82578e0e