[INFO] fetching crate rssg 1.8.0...
[INFO] checking rssg-1.8.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate rssg 1.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rssg 1.8.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rssg 1.8.0
[INFO] finished tweaking crates.io crate rssg 1.8.0
[INFO] tweaked toml for crates.io crate rssg 1.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rssg 1.8.0 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded yaml-front-matter v0.1.0
[INFO] [stderr]   Downloaded sarge v5.0.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
[INFO] [stderr]   Downloaded toml_edit v0.20.0
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a44c3fd592e81e667be2fe7d582cca29220638d7107c8867204845d1149e5260
[INFO] running `Command { std: "docker" "start" "-a" "a44c3fd592e81e667be2fe7d582cca29220638d7107c8867204845d1149e5260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a44c3fd592e81e667be2fe7d582cca29220638d7107c8867204845d1149e5260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44c3fd592e81e667be2fe7d582cca29220638d7107c8867204845d1149e5260", kill_on_drop: false }`
[INFO] [stdout] a44c3fd592e81e667be2fe7d582cca29220638d7107c8867204845d1149e5260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d11062b6155f6b1b7f397a89089de2d912e7f10d593cff56aeb71ce1aec3a4
[INFO] running `Command { std: "docker" "start" "-a" "e0d11062b6155f6b1b7f397a89089de2d912e7f10d593cff56aeb71ce1aec3a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unsafe-libyaml v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking sarge v5.0.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde_yaml v0.9.19
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]     Checking yaml-front-matter v0.1.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking rssg v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.05s
[INFO] running `Command { std: "docker" "inspect" "e0d11062b6155f6b1b7f397a89089de2d912e7f10d593cff56aeb71ce1aec3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d11062b6155f6b1b7f397a89089de2d912e7f10d593cff56aeb71ce1aec3a4", kill_on_drop: false }`
[INFO] [stdout] e0d11062b6155f6b1b7f397a89089de2d912e7f10d593cff56aeb71ce1aec3a4