[INFO] cloning repository https://github.com/patataofcourse/flour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patataofcourse/flour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatataofcourse%2Fflour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatataofcourse%2Fflour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37f3170d24153c6e12cad7f1be260a0245446aac
[INFO] checking patataofcourse/flour against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatataofcourse%2Fflour" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patataofcourse/flour on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patataofcourse/flour
[INFO] finished tweaking git repo https://github.com/patataofcourse/flour
[INFO] tweaked toml for git repo https://github.com/patataofcourse/flour written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/patataofcourse/flour 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytestream v0.4.1
[INFO] [stderr]   Downloaded serde-semver-derive v0.1.1
[INFO] [stderr]   Downloaded serde-semver v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fdd1d1f3fa308c4d1240cf23472325adf40a252f968b90540f5bb08f87ed3cc
[INFO] running `Command { std: "docker" "start" "-a" "7fdd1d1f3fa308c4d1240cf23472325adf40a252f968b90540f5bb08f87ed3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fdd1d1f3fa308c4d1240cf23472325adf40a252f968b90540f5bb08f87ed3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdd1d1f3fa308c4d1240cf23472325adf40a252f968b90540f5bb08f87ed3cc", kill_on_drop: false }`
[INFO] [stdout] 7fdd1d1f3fa308c4d1240cf23472325adf40a252f968b90540f5bb08f87ed3cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158d906ebe6e29374c2898f2a59c72d117b7ca675e5295bc181a2ef7435079e5
[INFO] running `Command { std: "docker" "start" "-a" "158d906ebe6e29374c2898f2a59c72d117b7ca675e5295bc181a2ef7435079e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking json_comments v0.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking bytestream v0.4.1
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde-semver-derive v0.1.1
[INFO] [stderr]     Checking serde-semver v0.2.1
[INFO] [stderr]     Checking flour v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "158d906ebe6e29374c2898f2a59c72d117b7ca675e5295bc181a2ef7435079e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158d906ebe6e29374c2898f2a59c72d117b7ca675e5295bc181a2ef7435079e5", kill_on_drop: false }`
[INFO] [stdout] 158d906ebe6e29374c2898f2a59c72d117b7ca675e5295bc181a2ef7435079e5