[INFO] fetching crate reachability_solver 0.2.0...
[INFO] checking reachability_solver-0.2.0 against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate reachability_solver 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate reachability_solver 0.2.0
[INFO] finished tweaking crates.io crate reachability_solver 0.2.0
[INFO] tweaked toml for crates.io crate reachability_solver 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reachability_solver 0.2.0 on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reachability_solver 0.2.0 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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
[INFO] checking reachability_solver-0.2.0 against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate reachability_solver 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate reachability_solver 0.2.0
[INFO] finished tweaking crates.io crate reachability_solver 0.2.0
[INFO] tweaked toml for crates.io crate reachability_solver 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reachability_solver 0.2.0 on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reachability_solver 0.2.0 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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 linear_solver v0.2.2
[INFO] [stderr]   Downloaded cuckoofilter v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.67
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9299d977dcd4026b6fd8f0f6854309c47f4d1b4fc3b1775d57388284b0192d79
[INFO] running `Command { std: "docker" "start" "-a" "9299d977dcd4026b6fd8f0f6854309c47f4d1b4fc3b1775d57388284b0192d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9299d977dcd4026b6fd8f0f6854309c47f4d1b4fc3b1775d57388284b0192d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9299d977dcd4026b6fd8f0f6854309c47f4d1b4fc3b1775d57388284b0192d79", kill_on_drop: false }`
[INFO] [stdout] 9299d977dcd4026b6fd8f0f6854309c47f4d1b4fc3b1775d57388284b0192d79
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 182fd12455739cef78c2ab301d134e33771457e93da731f80925f0ecfdc3b4da
[INFO] running `Command { std: "docker" "start" "-a" "182fd12455739cef78c2ab301d134e33771457e93da731f80925f0ecfdc3b4da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking linear_solver v0.2.2
[INFO] [stderr]     Checking reachability_solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "182fd12455739cef78c2ab301d134e33771457e93da731f80925f0ecfdc3b4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182fd12455739cef78c2ab301d134e33771457e93da731f80925f0ecfdc3b4da", kill_on_drop: false }`
[INFO] [stdout] 182fd12455739cef78c2ab301d134e33771457e93da731f80925f0ecfdc3b4da
