[INFO] fetching crate webdesserts-confy 1.0.0...
[INFO] checking webdesserts-confy-1.0.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate webdesserts-confy 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate webdesserts-confy 1.0.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webdesserts-confy 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate webdesserts-confy 1.0.0
[INFO] tweaked toml for crates.io crate webdesserts-confy 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate webdesserts-confy 1.0.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded directories v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69cd08b8dec2cabc44fc196f0715d7c3679615712ece8bc81140c78d4f12f4c7
[INFO] running `Command { std: "docker" "start" "-a" "69cd08b8dec2cabc44fc196f0715d7c3679615712ece8bc81140c78d4f12f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69cd08b8dec2cabc44fc196f0715d7c3679615712ece8bc81140c78d4f12f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69cd08b8dec2cabc44fc196f0715d7c3679615712ece8bc81140c78d4f12f4c7", kill_on_drop: false }`
[INFO] [stdout] 69cd08b8dec2cabc44fc196f0715d7c3679615712ece8bc81140c78d4f12f4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8548a79e2b0480b22174008fc7594c0001450e59cd1bf699b4090cc51420c75
[INFO] running `Command { std: "docker" "start" "-a" "a8548a79e2b0480b22174008fc7594c0001450e59cd1bf699b4090cc51420c75", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking directories v0.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking webdesserts-confy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "a8548a79e2b0480b22174008fc7594c0001450e59cd1bf699b4090cc51420c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8548a79e2b0480b22174008fc7594c0001450e59cd1bf699b4090cc51420c75", kill_on_drop: false }`
[INFO] [stdout] a8548a79e2b0480b22174008fc7594c0001450e59cd1bf699b4090cc51420c75