[INFO] cloning repository https://github.com/tomhoule/rust-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomhoule/rust-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frust-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frust-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4642dd4d9ce839a7684ee986fe6d1d6a4c49a357
[INFO] checking tomhoule/rust-experiment against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frust-experiment" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomhoule/rust-experiment on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] finished tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] tweaked toml for git repo https://github.com/tomhoule/rust-experiment written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhoule/rust-experiment 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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tomhoule/rust-experiment against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frust-experiment" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomhoule/rust-experiment on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] finished tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] tweaked toml for git repo https://github.com/tomhoule/rust-experiment written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhoule/rust-experiment 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tomhoule/rust-experiment against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Frust-experiment" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomhoule/rust-experiment on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] finished tweaking git repo https://github.com/tomhoule/rust-experiment
[INFO] tweaked toml for git repo https://github.com/tomhoule/rust-experiment written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhoule/rust-experiment 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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 rmp-serialize v0.7.0
[INFO] [stderr]   Downloaded slog-extra v0.1.1
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded custom_derive v0.1.5
[INFO] [stderr]   Downloaded syntex_pos v0.46.0
[INFO] [stderr]   Downloaded debugtrace v0.1.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded serde_derive v0.8.16
[INFO] [stderr]   Downloaded either v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded slog-stream v1.2.0
[INFO] [stderr]   Downloaded post-expansion v0.1.0
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded serde_codegen v0.8.16
[INFO] [stderr]   Downloaded backtrace-sys v0.1.4
[INFO] [stderr]   Downloaded chomp v0.3.1
[INFO] [stderr]   Downloaded futures v0.1.3
[INFO] [stderr]   Downloaded isatty v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-core v3.0.2
[INFO] [stderr]   Downloaded syntex v0.46.0
[INFO] [stderr]   Downloaded neovim-lib v0.1.1
[INFO] [stderr]   Downloaded quote v0.3.4
[INFO] [stderr]   Downloaded slog-term v1.3.2
[INFO] [stderr]   Downloaded syntex_errors v0.46.0
[INFO] [stderr]   Downloaded parking_lot v0.2.8
[INFO] [stderr]   Downloaded rmp v0.7.5
[INFO] [stderr]   Downloaded slog v1.2.1
[INFO] [stderr]   Downloaded syntex_syntax v0.46.0
[INFO] [stderr]   Downloaded clap v2.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8017e0b7374aa8d4cae6e353eaf36424a1c16a7b60d3cb489c49b8fa1d6b1dfb
[INFO] running `Command { std: "docker" "start" "-a" "8017e0b7374aa8d4cae6e353eaf36424a1c16a7b60d3cb489c49b8fa1d6b1dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8017e0b7374aa8d4cae6e353eaf36424a1c16a7b60d3cb489c49b8fa1d6b1dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8017e0b7374aa8d4cae6e353eaf36424a1c16a7b60d3cb489c49b8fa1d6b1dfb", kill_on_drop: false }`
[INFO] [stdout] 8017e0b7374aa8d4cae6e353eaf36424a1c16a7b60d3cb489c49b8fa1d6b1dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f31582584ec367c01ad5fca00c9140f4d1e104fcf5e9752e501642a3d254798b
[INFO] running `Command { std: "docker" "start" "-a" "f31582584ec367c01ad5fca00c9140f4d1e104fcf5e9752e501642a3d254798b", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling quote v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling gcc v0.3.38
[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-0.3.19/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 dbghelp-sys v0.2.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]     Checking serde v0.8.16
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking slog v1.2.1
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stdout] error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/slog-1.2.1/src/ser.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&core::fmt::rt::Opaque`
[INFO] [stdout] note: required because it appears within the type `Argument<'static>`
[INFO] [stdout]    --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/core/src/fmt/rt.rs:75:12
[INFO] [stdout]     = note: required because it appears within the type `[Argument<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&[Argument<'static>]`
[INFO] [stdout] note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout]    --> /rustc/1930f260edd7e614aa013a0665aa5cfd0ada0501/library/core/src/fmt/mod.rs:303:12
[INFO] [stdout] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/slog-1.2.1/src/ser.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ^^^^ required by this bound in `SyncSerialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f31582584ec367c01ad5fca00c9140f4d1e104fcf5e9752e501642a3d254798b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31582584ec367c01ad5fca00c9140f4d1e104fcf5e9752e501642a3d254798b", kill_on_drop: false }`
[INFO] [stdout] f31582584ec367c01ad5fca00c9140f4d1e104fcf5e9752e501642a3d254798b