[INFO] fetching crate snail-countdown 1.1.0...
[INFO] checking snail-countdown-1.1.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate snail-countdown 1.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate snail-countdown 1.1.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snail-countdown 1.1.0
[INFO] finished tweaking crates.io crate snail-countdown 1.1.0
[INFO] tweaked toml for crates.io crate snail-countdown 1.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate snail-countdown 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd597d42ac0e8607a2c87ff9c08b6d41f88444ea0bd5a91a974411843484f476
[INFO] running `Command { std: "docker" "start" "-a" "bd597d42ac0e8607a2c87ff9c08b6d41f88444ea0bd5a91a974411843484f476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd597d42ac0e8607a2c87ff9c08b6d41f88444ea0bd5a91a974411843484f476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd597d42ac0e8607a2c87ff9c08b6d41f88444ea0bd5a91a974411843484f476", kill_on_drop: false }`
[INFO] [stdout] bd597d42ac0e8607a2c87ff9c08b6d41f88444ea0bd5a91a974411843484f476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ceb1dd0a027e32445998bc09aa2a6d3f9143c9020c344a388086875c3dce37
[INFO] running `Command { std: "docker" "start" "-a" "a3ceb1dd0a027e32445998bc09aa2a6d3f9143c9020c344a388086875c3dce37", kill_on_drop: false }`
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[INFO] [stderr]     Checking notify-rust v4.5.8
[INFO] [stderr]     Checking snail-countdown v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "a3ceb1dd0a027e32445998bc09aa2a6d3f9143c9020c344a388086875c3dce37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ceb1dd0a027e32445998bc09aa2a6d3f9143c9020c344a388086875c3dce37", kill_on_drop: false }`
[INFO] [stdout] a3ceb1dd0a027e32445998bc09aa2a6d3f9143c9020c344a388086875c3dce37