[INFO] cloning repository https://github.com/coravacav/kolya-letter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coravacav/kolya-letter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoravacav%2Fkolya-letter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoravacav%2Fkolya-letter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed0ebd4f0814a4626ed6607e760a2ce5475643ad
[INFO] checking coravacav/kolya-letter against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoravacav%2Fkolya-letter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coravacav/kolya-letter
[INFO] finished tweaking git repo https://github.com/coravacav/kolya-letter
[INFO] tweaked toml for git repo https://github.com/coravacav/kolya-letter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coravacav/kolya-letter on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coravacav/kolya-letter 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maud v0.27.0
[INFO] [stderr]   Downloaded proc-macro2-diagnostics v0.10.1
[INFO] [stderr]   Downloaded maud_macros v0.27.0
[INFO] [stderr]   Downloaded bnum v0.12.1
[INFO] [stderr]   Downloaded convert_case v0.7.1
[INFO] [stderr]   Downloaded anyhow v1.0.99
[INFO] [stderr]   Downloaded derive_more v2.0.1
[INFO] [stderr]   Downloaded derive_more-impl v2.0.1
[INFO] [stderr]   Downloaded fastnum v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30ae88e7efd0af4ed8d5c1d28d6017d07cfb3050a799c795a588ca039d9689b
[INFO] running `Command { std: "docker" "start" "-a" "c30ae88e7efd0af4ed8d5c1d28d6017d07cfb3050a799c795a588ca039d9689b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30ae88e7efd0af4ed8d5c1d28d6017d07cfb3050a799c795a588ca039d9689b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ae88e7efd0af4ed8d5c1d28d6017d07cfb3050a799c795a588ca039d9689b", kill_on_drop: false }`
[INFO] [stdout] c30ae88e7efd0af4ed8d5c1d28d6017d07cfb3050a799c795a588ca039d9689b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 099771bcfb6b6ba0446082e21546c31a5b60ced059fd1e2c6e71a6dd177c3f4a
[INFO] running `Command { std: "docker" "start" "-a" "099771bcfb6b6ba0446082e21546c31a5b60ced059fd1e2c6e71a6dd177c3f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling fastnum v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bnum v0.12.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling maud_macros v0.27.0
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking maud v0.27.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking kolya-letter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "099771bcfb6b6ba0446082e21546c31a5b60ced059fd1e2c6e71a6dd177c3f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099771bcfb6b6ba0446082e21546c31a5b60ced059fd1e2c6e71a6dd177c3f4a", kill_on_drop: false }`
[INFO] [stdout] 099771bcfb6b6ba0446082e21546c31a5b60ced059fd1e2c6e71a6dd177c3f4a