[INFO] cloning repository https://github.com/joshuaaminu/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuaaminu/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f89184275b13cd6acf16cbae838e0e7e16be7a1
[INFO] building joshuaaminu/rust_learn against try#b755f8b9936d084e0363ce6b393c7e444a37080e for pr-97334-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshuaaminu/rust_learn on toolchain b755f8b9936d084e0363ce6b393c7e444a37080e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joshuaaminu/rust_learn
[INFO] finished tweaking git repo https://github.com/joshuaaminu/rust_learn
[INFO] tweaked toml for git repo https://github.com/joshuaaminu/rust_learn written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/joshuaaminu/rust_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df6e708de36ca68f2b4ce54f78f22ef6c468dce275416ec9d2f0cf76130c3712
[INFO] running `Command { std: "docker" "start" "-a" "df6e708de36ca68f2b4ce54f78f22ef6c468dce275416ec9d2f0cf76130c3712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6e708de36ca68f2b4ce54f78f22ef6c468dce275416ec9d2f0cf76130c3712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6e708de36ca68f2b4ce54f78f22ef6c468dce275416ec9d2f0cf76130c3712", kill_on_drop: false }`
[INFO] [stdout] df6e708de36ca68f2b4ce54f78f22ef6c468dce275416ec9d2f0cf76130c3712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498ca1b16412916986fe1d4ec4af588498ad47b33ddccaf0fbb8d1687d1d2e3e
[INFO] running `Command { std: "docker" "start" "-a" "498ca1b16412916986fe1d4ec4af588498ad47b33ddccaf0fbb8d1687d1d2e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "498ca1b16412916986fe1d4ec4af588498ad47b33ddccaf0fbb8d1687d1d2e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498ca1b16412916986fe1d4ec4af588498ad47b33ddccaf0fbb8d1687d1d2e3e", kill_on_drop: false }`
[INFO] [stdout] 498ca1b16412916986fe1d4ec4af588498ad47b33ddccaf0fbb8d1687d1d2e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef57d8f248a11982b86473c54a1e42e83866451c79fe2761cdf7cb7a04e332d
[INFO] running `Command { std: "docker" "start" "-a" "aef57d8f248a11982b86473c54a1e42e83866451c79fe2761cdf7cb7a04e332d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "aef57d8f248a11982b86473c54a1e42e83866451c79fe2761cdf7cb7a04e332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef57d8f248a11982b86473c54a1e42e83866451c79fe2761cdf7cb7a04e332d", kill_on_drop: false }`
[INFO] [stdout] aef57d8f248a11982b86473c54a1e42e83866451c79fe2761cdf7cb7a04e332d