[INFO] fetching crate newtabgen 0.6.1...
[INFO] checking newtabgen-0.6.1 against try#19b19c1ea5b23336f439d5f7be1cc1b3f1220bef for pr-112999
[INFO] extracting crate newtabgen 0.6.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate newtabgen 0.6.1 on toolchain 19b19c1ea5b23336f439d5f7be1cc1b3f1220bef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newtabgen 0.6.1
[INFO] finished tweaking crates.io crate newtabgen 0.6.1
[INFO] tweaked toml for crates.io crate newtabgen 0.6.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb0835e3112a1a8968be3eafc076a219907cd37d261a37e3dac46c7203730366
[INFO] running `Command { std: "docker" "start" "-a" "fb0835e3112a1a8968be3eafc076a219907cd37d261a37e3dac46c7203730366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb0835e3112a1a8968be3eafc076a219907cd37d261a37e3dac46c7203730366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0835e3112a1a8968be3eafc076a219907cd37d261a37e3dac46c7203730366", kill_on_drop: false }`
[INFO] [stdout] fb0835e3112a1a8968be3eafc076a219907cd37d261a37e3dac46c7203730366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acfe99804afa853a2674f86760bf0d91d9776d8278a9c4012580ac560f371c41
[INFO] running `Command { std: "docker" "start" "-a" "acfe99804afa853a2674f86760bf0d91d9776d8278a9c4012580ac560f371c41", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]     Checking newtabgen v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.57s
[INFO] running `Command { std: "docker" "inspect" "acfe99804afa853a2674f86760bf0d91d9776d8278a9c4012580ac560f371c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfe99804afa853a2674f86760bf0d91d9776d8278a9c4012580ac560f371c41", kill_on_drop: false }`
[INFO] [stdout] acfe99804afa853a2674f86760bf0d91d9776d8278a9c4012580ac560f371c41