[INFO] cloning repository https://github.com/medcat/dune
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/medcat/dune" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fdune", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fdune'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 848fff0f44a5ccb7b1b30e1ed7298a4f57dd2970
[INFO] checking medcat/dune against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fdune" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/medcat/dune on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/medcat/dune
[INFO] finished tweaking git repo https://github.com/medcat/dune
[INFO] tweaked toml for git repo https://github.com/medcat/dune written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/medcat/dune already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eff40bcebe76c300f5f6b983f1a28cdbc7f4e2ddec5276370dc291a540fed8f
[INFO] running `Command { std: "docker" "start" "-a" "0eff40bcebe76c300f5f6b983f1a28cdbc7f4e2ddec5276370dc291a540fed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eff40bcebe76c300f5f6b983f1a28cdbc7f4e2ddec5276370dc291a540fed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eff40bcebe76c300f5f6b983f1a28cdbc7f4e2ddec5276370dc291a540fed8f", kill_on_drop: false }`
[INFO] [stdout] 0eff40bcebe76c300f5f6b983f1a28cdbc7f4e2ddec5276370dc291a540fed8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2823ba0254e4d88f1cb9bbc2342671e6f4ae03c63e177b5b524c822163fed72
[INFO] running `Command { std: "docker" "start" "-a" "a2823ba0254e4d88f1cb9bbc2342671e6f4ae03c63e177b5b524c822163fed72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/snap-0.2.5/src/frame.rs:275:50
[INFO] [stdout]     |
[INFO] [stdout] 275 |                   return Err(io::Error::from($err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 328 | /                         fail!(Error::UnsupportedChunkLength {
[INFO] [stdout] 329 | |                             len: len64,
[INFO] [stdout] 330 | |                             header: true,
[INFO] [stdout] 331 | |                         })
[INFO] [stdout]     | |__________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snap`
[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" "a2823ba0254e4d88f1cb9bbc2342671e6f4ae03c63e177b5b524c822163fed72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2823ba0254e4d88f1cb9bbc2342671e6f4ae03c63e177b5b524c822163fed72", kill_on_drop: false }`
[INFO] [stdout] a2823ba0254e4d88f1cb9bbc2342671e6f4ae03c63e177b5b524c822163fed72