[INFO] cloning repository https://github.com/ausername-1/learningrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ausername-1/learningrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71cae57bda805957a4139988f0a4305e39aaf4c
[INFO] checking ausername-1/learningrust against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ausername-1/learningrust on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ausername-1/learningrust
[INFO] finished tweaking git repo https://github.com/ausername-1/learningrust
[INFO] tweaked toml for git repo https://github.com/ausername-1/learningrust written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/ausername-1/learningrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97faa5bb77c44fdb3ac99316de03a8dbb8ad72f2d7ca6673af60a83691595de0
[INFO] running `Command { std: "docker" "start" "-a" "97faa5bb77c44fdb3ac99316de03a8dbb8ad72f2d7ca6673af60a83691595de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97faa5bb77c44fdb3ac99316de03a8dbb8ad72f2d7ca6673af60a83691595de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97faa5bb77c44fdb3ac99316de03a8dbb8ad72f2d7ca6673af60a83691595de0", kill_on_drop: false }`
[INFO] [stdout] 97faa5bb77c44fdb3ac99316de03a8dbb8ad72f2d7ca6673af60a83691595de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fdadf41f24cead04c6c6fc1325253390341d66ae0d49e83b524a5abd8fbc68b
[INFO] running `Command { std: "docker" "start" "-a" "5fdadf41f24cead04c6c6fc1325253390341d66ae0d49e83b524a5abd8fbc68b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking learningrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `Command { std: "docker" "inspect" "5fdadf41f24cead04c6c6fc1325253390341d66ae0d49e83b524a5abd8fbc68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdadf41f24cead04c6c6fc1325253390341d66ae0d49e83b524a5abd8fbc68b", kill_on_drop: false }`
[INFO] [stdout] 5fdadf41f24cead04c6c6fc1325253390341d66ae0d49e83b524a5abd8fbc68b