[INFO] cloning repository https://github.com/ChrisMacNaughton/backup-agent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisMacNaughton/backup-agent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMacNaughton%2Fbackup-agent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMacNaughton%2Fbackup-agent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87619b71882c65189a219f78edba46be627bd56a
[INFO] checking ChrisMacNaughton/backup-agent against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMacNaughton%2Fbackup-agent" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisMacNaughton/backup-agent on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChrisMacNaughton/backup-agent
[INFO] finished tweaking git repo https://github.com/ChrisMacNaughton/backup-agent
[INFO] tweaked toml for git repo https://github.com/ChrisMacNaughton/backup-agent written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisMacNaughton/backup-agent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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 tarpc v0.6.0
[INFO] [stderr]   Downloaded serde v0.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a73490176840df3976f88b9595d267ad9e72d9dad2dd4d57562502f3632c672d
[INFO] running `Command { std: "docker" "start" "-a" "a73490176840df3976f88b9595d267ad9e72d9dad2dd4d57562502f3632c672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a73490176840df3976f88b9595d267ad9e72d9dad2dd4d57562502f3632c672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73490176840df3976f88b9595d267ad9e72d9dad2dd4d57562502f3632c672d", kill_on_drop: false }`
[INFO] [stdout] a73490176840df3976f88b9595d267ad9e72d9dad2dd4d57562502f3632c672d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7829983d465646a24a15fe1e4833ac74568bb20f6de57db9cb173d82af8a132
[INFO] running `Command { std: "docker" "start" "-a" "b7829983d465646a24a15fe1e4833ac74568bb20f6de57db9cb173d82af8a132", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking serde v0.8.8
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking num-traits v0.1.35
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking log v0.3.6
[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]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7829983d465646a24a15fe1e4833ac74568bb20f6de57db9cb173d82af8a132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7829983d465646a24a15fe1e4833ac74568bb20f6de57db9cb173d82af8a132", kill_on_drop: false }`
[INFO] [stdout] b7829983d465646a24a15fe1e4833ac74568bb20f6de57db9cb173d82af8a132