[INFO] fetching crate slint-viewer 1.0.2...
[INFO] checking slint-viewer-1.0.2 against try#cc4c4328b2b4da72bc61f8f5984292dd73740b5e for pr-112842
[INFO] extracting crate slint-viewer 1.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate slint-viewer 1.0.2 on toolchain cc4c4328b2b4da72bc61f8f5984292dd73740b5e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slint-viewer 1.0.2
[INFO] finished tweaking crates.io crate slint-viewer 1.0.2
[INFO] tweaked toml for crates.io crate slint-viewer 1.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate slint-viewer 1.0.2 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" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6014949df22af44798edf25ee23d291dc23be635a62a864666ef96ed530aa49e
[INFO] running `Command { std: "docker" "start" "-a" "6014949df22af44798edf25ee23d291dc23be635a62a864666ef96ed530aa49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6014949df22af44798edf25ee23d291dc23be635a62a864666ef96ed530aa49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6014949df22af44798edf25ee23d291dc23be635a62a864666ef96ed530aa49e", kill_on_drop: false }`
[INFO] [stdout] 6014949df22af44798edf25ee23d291dc23be635a62a864666ef96ed530aa49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64242a0b8f2acf26c347e9f5c44218dbe02193e19e601770122bb2c1593ea32
[INFO] running `Command { std: "docker" "start" "-a" "a64242a0b8f2acf26c347e9f5c44218dbe02193e19e601770122bb2c1593ea32", kill_on_drop: false }`
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[INFO] [stderr]     Checking slint-viewer v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.78s
[INFO] running `Command { std: "docker" "inspect" "a64242a0b8f2acf26c347e9f5c44218dbe02193e19e601770122bb2c1593ea32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64242a0b8f2acf26c347e9f5c44218dbe02193e19e601770122bb2c1593ea32", kill_on_drop: false }`
[INFO] [stdout] a64242a0b8f2acf26c347e9f5c44218dbe02193e19e601770122bb2c1593ea32