[INFO] cloning repository https://github.com/Arucious/RustBookChapter3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arucious/RustBookChapter3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArucious%2FRustBookChapter3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArucious%2FRustBookChapter3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 321f635a5df3c670f24c44e156837c561872f061
[INFO] testing Arucious/RustBookChapter3 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArucious%2FRustBookChapter3" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arucious/RustBookChapter3 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arucious/RustBookChapter3
[INFO] finished tweaking git repo https://github.com/Arucious/RustBookChapter3
[INFO] tweaked toml for git repo https://github.com/Arucious/RustBookChapter3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Arucious/RustBookChapter3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d40a3df3b937e934bcb87de2e801ee1d36311da2a463b4aaff6c7c5218d68621
[INFO] running `Command { std: "docker" "start" "-a" "d40a3df3b937e934bcb87de2e801ee1d36311da2a463b4aaff6c7c5218d68621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d40a3df3b937e934bcb87de2e801ee1d36311da2a463b4aaff6c7c5218d68621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40a3df3b937e934bcb87de2e801ee1d36311da2a463b4aaff6c7c5218d68621", kill_on_drop: false }`
[INFO] [stdout] d40a3df3b937e934bcb87de2e801ee1d36311da2a463b4aaff6c7c5218d68621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910f8b08ba899d55646748fdf9c353e3a63145948fb3602fb6291ebe7a4e307c
[INFO] running `Command { std: "docker" "start" "-a" "910f8b08ba899d55646748fdf9c353e3a63145948fb3602fb6291ebe7a4e307c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "910f8b08ba899d55646748fdf9c353e3a63145948fb3602fb6291ebe7a4e307c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910f8b08ba899d55646748fdf9c353e3a63145948fb3602fb6291ebe7a4e307c", kill_on_drop: false }`
[INFO] [stdout] 910f8b08ba899d55646748fdf9c353e3a63145948fb3602fb6291ebe7a4e307c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1492d6aa2ef9bb749b3d2d41beab9a32519734a9d18cddaf63995f0b256f0b
[INFO] running `Command { std: "docker" "start" "-a" "7b1492d6aa2ef9bb749b3d2d41beab9a32519734a9d18cddaf63995f0b256f0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-70c2e514e0f142d6)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7b1492d6aa2ef9bb749b3d2d41beab9a32519734a9d18cddaf63995f0b256f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1492d6aa2ef9bb749b3d2d41beab9a32519734a9d18cddaf63995f0b256f0b", kill_on_drop: false }`
[INFO] [stdout] 7b1492d6aa2ef9bb749b3d2d41beab9a32519734a9d18cddaf63995f0b256f0b