[INFO] cloning repository https://github.com/JustAPerson/brainrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JustAPerson/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustAPerson%2Fbrainrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustAPerson%2Fbrainrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acb03ffe59cd8ca964247990753961461bf6b177
[INFO] checking JustAPerson/brainrust/acb03ffe59cd8ca964247990753961461bf6b177 against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustAPerson%2Fbrainrust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JustAPerson/brainrust
[INFO] finished tweaking git repo https://github.com/JustAPerson/brainrust
[INFO] tweaked toml for git repo https://github.com/JustAPerson/brainrust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JustAPerson/brainrust on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JustAPerson/brainrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.3.0
[INFO] [stderr]   Downloaded env_logger v0.3.0
[INFO] [stderr]   Downloaded docopt v0.6.64
[INFO] [stderr]   Downloaded rustc-serialize v0.3.14
[INFO] [stderr]   Downloaded regex v0.1.30
[INFO] [stderr]   Downloaded libc v0.1.7
[INFO] [stderr]   Downloaded log v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7b23e30206c1be08f3216442f57b352b3d298627cfb4617967de96e9885626
[INFO] running `Command { std: "docker" "start" "-a" "0c7b23e30206c1be08f3216442f57b352b3d298627cfb4617967de96e9885626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7b23e30206c1be08f3216442f57b352b3d298627cfb4617967de96e9885626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7b23e30206c1be08f3216442f57b352b3d298627cfb4617967de96e9885626", kill_on_drop: false }`
[INFO] [stdout] 0c7b23e30206c1be08f3216442f57b352b3d298627cfb4617967de96e9885626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05627739be4697a285e7c40524cd5ce5d69574169117668b652dadd337bc4c59
[INFO] running `Command { std: "docker" "start" "-a" "05627739be4697a285e7c40524cd5ce5d69574169117668b652dadd337bc4c59", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking regex v0.1.30
[INFO] [stderr]     Checking libc v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.14
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking log v0.3.1
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.14/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.14/src/serialize.rs:200:41
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]    --> /rustc/e1613686e0efc80a1a18b1263625450a8de3fb04/library/core/src/result.rs:557:0
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.3.0
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "05627739be4697a285e7c40524cd5ce5d69574169117668b652dadd337bc4c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05627739be4697a285e7c40524cd5ce5d69574169117668b652dadd337bc4c59", kill_on_drop: false }`
[INFO] [stdout] 05627739be4697a285e7c40524cd5ce5d69574169117668b652dadd337bc4c59
