[INFO] cloning repository https://github.com/hoodie/rust-panic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoodie/rust-panic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Frust-panic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Frust-panic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed3e964da8909f9a23d9de98521f75b117bb9bb6
[INFO] checking hoodie/rust-panic against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Frust-panic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoodie/rust-panic on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoodie/rust-panic
[INFO] finished tweaking git repo https://github.com/hoodie/rust-panic
[INFO] tweaked toml for git repo https://github.com/hoodie/rust-panic written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hoodie/rust-panic 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "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 hoodie/rust-panic against try#7ee76453dd3eae6de6c1351f26482bed63b01beb for pr-121545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Frust-panic" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoodie/rust-panic on toolchain 7ee76453dd3eae6de6c1351f26482bed63b01beb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoodie/rust-panic
[INFO] finished tweaking git repo https://github.com/hoodie/rust-panic
[INFO] tweaked toml for git repo https://github.com/hoodie/rust-panic written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hoodie/rust-panic 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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b33f24d889ceff903491fbbf1c825b94b43df4a0c18f0476703d2c1afa2f39
[INFO] running `Command { std: "docker" "start" "-a" "45b33f24d889ceff903491fbbf1c825b94b43df4a0c18f0476703d2c1afa2f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b33f24d889ceff903491fbbf1c825b94b43df4a0c18f0476703d2c1afa2f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b33f24d889ceff903491fbbf1c825b94b43df4a0c18f0476703d2c1afa2f39", kill_on_drop: false }`
[INFO] [stdout] 45b33f24d889ceff903491fbbf1c825b94b43df4a0c18f0476703d2c1afa2f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c20e5741e37761124c385a9f13464d5d3953aecd7f8b3ee49213a52d45b359c
[INFO] running `Command { std: "docker" "start" "-a" "7c20e5741e37761124c385a9f13464d5d3953aecd7f8b3ee49213a52d45b359c", kill_on_drop: false }`
[INFO] [stderr]     Checking panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec!([]);
[INFO] [stdout]   |          ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec!([]);
[INFO] [stdout]   |          ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic` (bin "panic" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic` (bin "panic") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7c20e5741e37761124c385a9f13464d5d3953aecd7f8b3ee49213a52d45b359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c20e5741e37761124c385a9f13464d5d3953aecd7f8b3ee49213a52d45b359c", kill_on_drop: false }`
[INFO] [stdout] 7c20e5741e37761124c385a9f13464d5d3953aecd7f8b3ee49213a52d45b359c