[INFO] fetching crate rfmt 0.1.0...
[INFO] checking rfmt-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rfmt 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate rfmt 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rfmt 0.1.0
[INFO] finished tweaking crates.io crate rfmt 0.1.0
[INFO] tweaked toml for crates.io crate rfmt 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 rsyntax v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff3bc8b7e8492f62f2097aa39c5683f7f3d02cfc9231aeaceca1cc334d38e6b7
[INFO] running `Command { std: "docker" "start" "-a" "ff3bc8b7e8492f62f2097aa39c5683f7f3d02cfc9231aeaceca1cc334d38e6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3bc8b7e8492f62f2097aa39c5683f7f3d02cfc9231aeaceca1cc334d38e6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3bc8b7e8492f62f2097aa39c5683f7f3d02cfc9231aeaceca1cc334d38e6b7", kill_on_drop: false }`
[INFO] [stdout] ff3bc8b7e8492f62f2097aa39c5683f7f3d02cfc9231aeaceca1cc334d38e6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9bd345228b5022022eecef71108322abdf543a015841d3c46db520e34b4daa
[INFO] running `Command { std: "docker" "start" "-a" "9a9bd345228b5022022eecef71108322abdf543a015841d3c46db520e34b4daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking rsyntax v1.10.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rsyntax-1.10.0/src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | extern crate serialize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr] error: could not compile `rsyntax` 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" "9a9bd345228b5022022eecef71108322abdf543a015841d3c46db520e34b4daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9bd345228b5022022eecef71108322abdf543a015841d3c46db520e34b4daa", kill_on_drop: false }`
[INFO] [stdout] 9a9bd345228b5022022eecef71108322abdf543a015841d3c46db520e34b4daa