[INFO] cloning repository https://github.com/udzura/fork-wait-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udzura/fork-wait-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0758baa381c002d7c3f2044abc105db022a26601 [INFO] checking udzura/fork-wait-example against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example" "/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/udzura/fork-wait-example on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/udzura/fork-wait-example [INFO] finished tweaking git repo https://github.com/udzura/fork-wait-example [INFO] tweaked toml for git repo https://github.com/udzura/fork-wait-example written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/udzura/fork-wait-example 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking udzura/fork-wait-example against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example" "/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/udzura/fork-wait-example on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/udzura/fork-wait-example [INFO] finished tweaking git repo https://github.com/udzura/fork-wait-example [INFO] tweaked toml for git repo https://github.com/udzura/fork-wait-example written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/udzura/fork-wait-example 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98b8068a51356a859191e16717b67d79f922ec5c8fa91dbedd855f11c88c5f9b [INFO] running `Command { std: "docker" "start" "-a" "98b8068a51356a859191e16717b67d79f922ec5c8fa91dbedd855f11c88c5f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98b8068a51356a859191e16717b67d79f922ec5c8fa91dbedd855f11c88c5f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98b8068a51356a859191e16717b67d79f922ec5c8fa91dbedd855f11c88c5f9b", kill_on_drop: false }` [INFO] [stdout] 98b8068a51356a859191e16717b67d79f922ec5c8fa91dbedd855f11c88c5f9b [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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 033dbb8f0899a746c1ab6b18447c95f09483f8607c50fbc802a0de6c41362b88 [INFO] running `Command { std: "docker" "start" "-a" "033dbb8f0899a746c1ab6b18447c95f09483f8607c50fbc802a0de6c41362b88", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking cloexec-example v0.1.0 (/opt/rustwide/workdir/cloexec-example) [INFO] [stderr] Checking fork-wait-example v0.1.0 (/opt/rustwide/workdir/worker-example) [INFO] [stderr] Checking minimum-container-example v0.1.0 (/opt/rustwide/workdir/minimum-container-example) [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> minimum-container-example/src/main.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 65 | if let Err(e) = execvp(&cmd, &args.as_ref()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> minimum-container-example/src/main.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 65 | if let Err(e) = execvp(&cmd, &args.as_ref()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "033dbb8f0899a746c1ab6b18447c95f09483f8607c50fbc802a0de6c41362b88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "033dbb8f0899a746c1ab6b18447c95f09483f8607c50fbc802a0de6c41362b88", kill_on_drop: false }` [INFO] [stdout] 033dbb8f0899a746c1ab6b18447c95f09483f8607c50fbc802a0de6c41362b88