[INFO] cloning repository https://github.com/GuillaumeFavelier/blog_rust_basics_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GuillaumeFavelier/blog_rust_basics_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e17372eaeabe85513176ede5f25c13ea188b97
[INFO] checking GuillaumeFavelier/blog_rust_basics_1 against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_1" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GuillaumeFavelier/blog_rust_basics_1
[INFO] finished tweaking git repo https://github.com/GuillaumeFavelier/blog_rust_basics_1
[INFO] tweaked toml for git repo https://github.com/GuillaumeFavelier/blog_rust_basics_1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GuillaumeFavelier/blog_rust_basics_1 on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GuillaumeFavelier/blog_rust_basics_1 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43fd0cfa7f9cc1527d8059abf2f686048bdf9720be990f0be09bd8a3ab3ff83
[INFO] running `Command { std: "docker" "start" "-a" "e43fd0cfa7f9cc1527d8059abf2f686048bdf9720be990f0be09bd8a3ab3ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43fd0cfa7f9cc1527d8059abf2f686048bdf9720be990f0be09bd8a3ab3ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43fd0cfa7f9cc1527d8059abf2f686048bdf9720be990f0be09bd8a3ab3ff83", kill_on_drop: false }`
[INFO] [stdout] e43fd0cfa7f9cc1527d8059abf2f686048bdf9720be990f0be09bd8a3ab3ff83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f4e292cc53e808dab4840c53ae5db7d3f9f077e512ed15cbe2714f2f35785e
[INFO] running `Command { std: "docker" "start" "-a" "96f4e292cc53e808dab4840c53ae5db7d3f9f077e512ed15cbe2714f2f35785e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_basics_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "96f4e292cc53e808dab4840c53ae5db7d3f9f077e512ed15cbe2714f2f35785e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f4e292cc53e808dab4840c53ae5db7d3f9f077e512ed15cbe2714f2f35785e", kill_on_drop: false }`
[INFO] [stdout] 96f4e292cc53e808dab4840c53ae5db7d3f9f077e512ed15cbe2714f2f35785e