[INFO] cloning repository https://github.com/forest1040/qust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forest1040/qust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforest1040%2Fqust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforest1040%2Fqust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76e8425bbc429eb876665ca8c9e5def5198b5e6a
[INFO] testing forest1040/qust against try#ece70b22820429ebf0c6d388c32356a14c58fc2f for pr-107251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforest1040%2Fqust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/forest1040/qust on toolchain ece70b22820429ebf0c6d388c32356a14c58fc2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/forest1040/qust
[INFO] finished tweaking git repo https://github.com/forest1040/qust
[INFO] tweaked toml for git repo https://github.com/forest1040/qust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/forest1040/qust 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" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 855c2d7e00b57366000cb3bb144a836611f74ea328774f0142c1a84cc524dc45
[INFO] running `Command { std: "docker" "start" "-a" "855c2d7e00b57366000cb3bb144a836611f74ea328774f0142c1a84cc524dc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "855c2d7e00b57366000cb3bb144a836611f74ea328774f0142c1a84cc524dc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855c2d7e00b57366000cb3bb144a836611f74ea328774f0142c1a84cc524dc45", kill_on_drop: false }`
[INFO] [stdout] 855c2d7e00b57366000cb3bb144a836611f74ea328774f0142c1a84cc524dc45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35ada672bb53be162f581ca9d057093afed5f4d4f58742e3886e61e1d84b48a
[INFO] running `Command { std: "docker" "start" "-a" "b35ada672bb53be162f581ca9d057093afed5f4d4f58742e3886e61e1d84b48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling srand v0.4.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling lapack v0.18.0
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling openblas-src v0.10.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b35ada672bb53be162f581ca9d057093afed5f4d4f58742e3886e61e1d84b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35ada672bb53be162f581ca9d057093afed5f4d4f58742e3886e61e1d84b48a", kill_on_drop: false }`
[INFO] [stdout] b35ada672bb53be162f581ca9d057093afed5f4d4f58742e3886e61e1d84b48a