[INFO] cloning repository https://github.com/squiidz/lock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/squiidz/lock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiidz%2Flock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiidz%2Flock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e818710176c7ff4efe49c87c2b998220e5ff7a4f
[INFO] testing squiidz/lock against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiidz%2Flock" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/squiidz/lock on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/squiidz/lock
[INFO] finished tweaking git repo https://github.com/squiidz/lock
[INFO] tweaked toml for git repo https://github.com/squiidz/lock written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/squiidz/lock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v0.8.17
[INFO] [stderr]   Downloaded serde_codegen v0.8.17
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded quote v0.3.5
[INFO] [stderr]   Downloaded post-expansion v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f1e093ead650eb10bd519bbadbe30f2ede6c2f575cb40fe55db2a3d688c1ca
[INFO] running `Command { std: "docker" "start" "-a" "02f1e093ead650eb10bd519bbadbe30f2ede6c2f575cb40fe55db2a3d688c1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f1e093ead650eb10bd519bbadbe30f2ede6c2f575cb40fe55db2a3d688c1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f1e093ead650eb10bd519bbadbe30f2ede6c2f575cb40fe55db2a3d688c1ca", kill_on_drop: false }`
[INFO] [stdout] 02f1e093ead650eb10bd519bbadbe30f2ede6c2f575cb40fe55db2a3d688c1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cc9bfb3a5aff0499a1e6b738cd7c9c39fa2667575b1272d5c524a84113c01f5
[INFO] running `Command { std: "docker" "start" "-a" "5cc9bfb3a5aff0499a1e6b738cd7c9c39fa2667575b1272d5c524a84113c01f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quote v0.3.5
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling serde v0.8.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[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 syn v0.9.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling post-expansion v0.1.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[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`
[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" "5cc9bfb3a5aff0499a1e6b738cd7c9c39fa2667575b1272d5c524a84113c01f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc9bfb3a5aff0499a1e6b738cd7c9c39fa2667575b1272d5c524a84113c01f5", kill_on_drop: false }`
[INFO] [stdout] 5cc9bfb3a5aff0499a1e6b738cd7c9c39fa2667575b1272d5c524a84113c01f5