[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 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustAPerson%2Fbrainrust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JustAPerson/brainrust on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.14
[INFO] [stderr]   Downloaded strsim v0.3.0
[INFO] [stderr]   Downloaded log v0.3.1
[INFO] [stderr]   Downloaded docopt v0.6.64
[INFO] [stderr]   Downloaded libc v0.1.7
[INFO] [stderr]   Downloaded regex v0.1.30
[INFO] [stderr]   Downloaded env_logger v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9306bbcad0b92fa02752e01029a3d6d601ea06621e4c875518a7fbb3fc61999
[INFO] running `Command { std: "docker" "start" "-a" "d9306bbcad0b92fa02752e01029a3d6d601ea06621e4c875518a7fbb3fc61999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9306bbcad0b92fa02752e01029a3d6d601ea06621e4c875518a7fbb3fc61999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9306bbcad0b92fa02752e01029a3d6d601ea06621e4c875518a7fbb3fc61999", kill_on_drop: false }`
[INFO] [stdout] d9306bbcad0b92fa02752e01029a3d6d601ea06621e4c875518a7fbb3fc61999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd248b9a998a4bf3a03809156088942ebd319d3a05e292c95c9e70a21272972
[INFO] running `Command { std: "docker" "start" "-a" "1cd248b9a998a4bf3a03809156088942ebd319d3a05e292c95c9e70a21272972", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.7
[INFO] [stderr]     Checking regex v0.1.30
[INFO] [stderr]     Checking rustc-serialize v0.3.14
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] [stderr]     Checking log v0.3.1
[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-6f17d22bba15001f/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/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/result.rs:506:1
[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] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1cd248b9a998a4bf3a03809156088942ebd319d3a05e292c95c9e70a21272972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd248b9a998a4bf3a03809156088942ebd319d3a05e292c95c9e70a21272972", kill_on_drop: false }`
[INFO] [stdout] 1cd248b9a998a4bf3a03809156088942ebd319d3a05e292c95c9e70a21272972
[INFO] checking JustAPerson/brainrust against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustAPerson%2Fbrainrust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JustAPerson/brainrust on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f978dac67ec507f9df2b14bf5dae192508e14c0f77f85e2a5c3aa7d400593fa5
[INFO] running `Command { std: "docker" "start" "-a" "f978dac67ec507f9df2b14bf5dae192508e14c0f77f85e2a5c3aa7d400593fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f978dac67ec507f9df2b14bf5dae192508e14c0f77f85e2a5c3aa7d400593fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f978dac67ec507f9df2b14bf5dae192508e14c0f77f85e2a5c3aa7d400593fa5", kill_on_drop: false }`
[INFO] [stdout] f978dac67ec507f9df2b14bf5dae192508e14c0f77f85e2a5c3aa7d400593fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59b03be4de254ed01aa539d65d5a74c4cd3d397d5b9220a9c4906be382b01ca
[INFO] running `Command { std: "docker" "start" "-a" "a59b03be4de254ed01aa539d65d5a74c4cd3d397d5b9220a9c4906be382b01ca", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "a59b03be4de254ed01aa539d65d5a74c4cd3d397d5b9220a9c4906be382b01ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59b03be4de254ed01aa539d65d5a74c4cd3d397d5b9220a9c4906be382b01ca", kill_on_drop: false }`
[INFO] [stdout] a59b03be4de254ed01aa539d65d5a74c4cd3d397d5b9220a9c4906be382b01ca