[INFO] fetching crate tco 0.0.2...
[INFO] checking tco-0.0.2 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate tco 0.0.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate tco 0.0.2 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tco 0.0.2
[INFO] finished tweaking crates.io crate tco 0.0.2
[INFO] tweaked toml for crates.io crate tco 0.0.2 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate tco 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2a9de09638d2ab1cbe8af390691cf26ae337aa1dd24b3a45df30e4357b04300
[INFO] running `Command { std: "docker" "start" "-a" "e2a9de09638d2ab1cbe8af390691cf26ae337aa1dd24b3a45df30e4357b04300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a9de09638d2ab1cbe8af390691cf26ae337aa1dd24b3a45df30e4357b04300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a9de09638d2ab1cbe8af390691cf26ae337aa1dd24b3a45df30e4357b04300", kill_on_drop: false }`
[INFO] [stdout] e2a9de09638d2ab1cbe8af390691cf26ae337aa1dd24b3a45df30e4357b04300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1dbd3de0d39c17ee940d0ac6c1542efc5f707a8cf94b8954b234d77ac194e8
[INFO] running `Command { std: "docker" "start" "-a" "6d1dbd3de0d39c17ee940d0ac6c1542efc5f707a8cf94b8954b234d77ac194e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6d1dbd3de0d39c17ee940d0ac6c1542efc5f707a8cf94b8954b234d77ac194e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1dbd3de0d39c17ee940d0ac6c1542efc5f707a8cf94b8954b234d77ac194e8", kill_on_drop: false }`
[INFO] [stdout] 6d1dbd3de0d39c17ee940d0ac6c1542efc5f707a8cf94b8954b234d77ac194e8