[INFO] cloning repository https://github.com/den-taku/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7db7d045aed1113903dc74b84d80cc7f64c5b3e4
[INFO] checking den-taku/matrix against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fmatrix" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/den-taku/matrix on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/den-taku/matrix
[INFO] finished tweaking git repo https://github.com/den-taku/matrix
[INFO] tweaked toml for git repo https://github.com/den-taku/matrix written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/den-taku/matrix 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" "+be181dd75c83d72fcc95538e235768bc367b76b9" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c538621a2053f45d1163524f15d5752108f7b45d79bea2c8b0f0dd1ed03ae2
[INFO] running `Command { std: "docker" "start" "-a" "12c538621a2053f45d1163524f15d5752108f7b45d79bea2c8b0f0dd1ed03ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c538621a2053f45d1163524f15d5752108f7b45d79bea2c8b0f0dd1ed03ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c538621a2053f45d1163524f15d5752108f7b45d79bea2c8b0f0dd1ed03ae2", kill_on_drop: false }`
[INFO] [stdout] 12c538621a2053f45d1163524f15d5752108f7b45d79bea2c8b0f0dd1ed03ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20364a85b59b078b9303c4de512380d7adb624bf3e311901c0a9c6697fad9f80
[INFO] running `Command { std: "docker" "start" "-a" "20364a85b59b078b9303c4de512380d7adb624bf3e311901c0a9c6697fad9f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking dntk-matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "20364a85b59b078b9303c4de512380d7adb624bf3e311901c0a9c6697fad9f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20364a85b59b078b9303c4de512380d7adb624bf3e311901c0a9c6697fad9f80", kill_on_drop: false }`
[INFO] [stdout] 20364a85b59b078b9303c4de512380d7adb624bf3e311901c0a9c6697fad9f80