[INFO] cloning repository https://github.com/mklein994/company-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mklein994/company-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fcompany-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fcompany-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ac17031e300255fad7f19cd9e5f43cabbd122d6
[INFO] checking mklein994/company-rust against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fcompany-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mklein994/company-rust on toolchain e1ac0fa95ba15221ee195647cb12464df3164513
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mklein994/company-rust
[INFO] finished tweaking git repo https://github.com/mklein994/company-rust
[INFO] tweaked toml for git repo https://github.com/mklein994/company-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mklein994/company-rust 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "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 mklein994/company-rust against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fcompany-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mklein994/company-rust on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mklein994/company-rust
[INFO] finished tweaking git repo https://github.com/mklein994/company-rust
[INFO] tweaked toml for git repo https://github.com/mklein994/company-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mklein994/company-rust 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mklein994/company-rust against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fcompany-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mklein994/company-rust on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mklein994/company-rust
[INFO] finished tweaking git repo https://github.com/mklein994/company-rust
[INFO] tweaked toml for git repo https://github.com/mklein994/company-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mklein994/company-rust 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.5.3
[INFO] [stderr]   Downloaded md5 v0.3.5
[INFO] [stderr]   Downloaded typenum v1.5.2
[INFO] [stderr]   Downloaded digest-buffer v0.3.1
[INFO] [stderr]   Downloaded generic-array v0.7.2
[INFO] [stderr]   Downloaded byte-tools v0.1.3
[INFO] [stderr]   Downloaded postgres-protocol v0.3.0
[INFO] [stderr]   Downloaded hmac v0.1.1
[INFO] [stderr]   Downloaded digest v0.5.2
[INFO] [stderr]   Downloaded crypto-mac v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14af00e5d6594772e05ba91f5c5b2c0c8d7be37e147a1696047625fa728571e4
[INFO] running `Command { std: "docker" "start" "-a" "14af00e5d6594772e05ba91f5c5b2c0c8d7be37e147a1696047625fa728571e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14af00e5d6594772e05ba91f5c5b2c0c8d7be37e147a1696047625fa728571e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14af00e5d6594772e05ba91f5c5b2c0c8d7be37e147a1696047625fa728571e4", kill_on_drop: false }`
[INFO] [stdout] 14af00e5d6594772e05ba91f5c5b2c0c8d7be37e147a1696047625fa728571e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5082ca31340a0e5ce73f8dc1a5fd230f78608b258d32051ac09c4948d89c02d7
[INFO] running `Command { std: "docker" "start" "-a" "5082ca31340a0e5ce73f8dc1a5fd230f78608b258d32051ac09c4948d89c02d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.5.2
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking md5 v0.3.5
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking generic-array v0.7.2
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking crypto-mac v0.3.0
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking hmac v0.1.1
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking postgres-protocol v0.3.0
[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]     Checking postgres v0.15.1
[INFO] [stderr]     Checking company-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "5082ca31340a0e5ce73f8dc1a5fd230f78608b258d32051ac09c4948d89c02d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5082ca31340a0e5ce73f8dc1a5fd230f78608b258d32051ac09c4948d89c02d7", kill_on_drop: false }`
[INFO] [stdout] 5082ca31340a0e5ce73f8dc1a5fd230f78608b258d32051ac09c4948d89c02d7