[INFO] cloning repository https://github.com/dairyisscary/learn-rust-part-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dairyisscary/learn-rust-part-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebcdafa695826b096d660dd044c016f777990ab6
[INFO] checking dairyisscary/learn-rust-part-1 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1" "/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/dairyisscary/learn-rust-part-1 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dairyisscary/learn-rust-part-1
[INFO] finished tweaking git repo https://github.com/dairyisscary/learn-rust-part-1
[INFO] tweaked toml for git repo https://github.com/dairyisscary/learn-rust-part-1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dairyisscary/learn-rust-part-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a358eca2fd13d673b8236c630e4467ac78aeb68eea4ff180b681a635595497b3
[INFO] running `Command { std: "docker" "start" "-a" "a358eca2fd13d673b8236c630e4467ac78aeb68eea4ff180b681a635595497b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a358eca2fd13d673b8236c630e4467ac78aeb68eea4ff180b681a635595497b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a358eca2fd13d673b8236c630e4467ac78aeb68eea4ff180b681a635595497b3", kill_on_drop: false }`
[INFO] [stdout] a358eca2fd13d673b8236c630e4467ac78aeb68eea4ff180b681a635595497b3
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0de432aca4e3a8d137d8f973dc5efe99d48818e580e7874234cc7fc61f412a
[INFO] running `Command { std: "docker" "start" "-a" "af0de432aca4e3a8d137d8f973dc5efe99d48818e580e7874234cc7fc61f412a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking for-your-reference-part-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "af0de432aca4e3a8d137d8f973dc5efe99d48818e580e7874234cc7fc61f412a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0de432aca4e3a8d137d8f973dc5efe99d48818e580e7874234cc7fc61f412a", kill_on_drop: false }`
[INFO] [stdout] af0de432aca4e3a8d137d8f973dc5efe99d48818e580e7874234cc7fc61f412a