[INFO] fetching crate warm_channels 0.3.0...
[INFO] checking warm_channels-0.3.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate warm_channels 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate warm_channels 0.3.0
[INFO] finished tweaking crates.io crate warm_channels 0.3.0
[INFO] tweaked toml for crates.io crate warm_channels 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate warm_channels 0.3.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate warm_channels 0.3.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded tonic-build v0.12.3
[INFO] [stderr]   Downloaded comprehensive_warm_channels v0.4.0
[INFO] [stderr]   Downloaded comprehensive v0.8.0
[INFO] [stderr]   Downloaded comprehensive_dns v0.3.0
[INFO] [stderr]   Downloaded comprehensive_grpc v0.8.0
[INFO] [stderr]   Downloaded warm_channels v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a841daf2039f1b86a54c35ec8a4ddba2ab92669822b21fd4592c9e4fce1ce46
[INFO] running `Command { std: "docker" "start" "-a" "6a841daf2039f1b86a54c35ec8a4ddba2ab92669822b21fd4592c9e4fce1ce46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a841daf2039f1b86a54c35ec8a4ddba2ab92669822b21fd4592c9e4fce1ce46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a841daf2039f1b86a54c35ec8a4ddba2ab92669822b21fd4592c9e4fce1ce46", kill_on_drop: false }`
[INFO] [stdout] 6a841daf2039f1b86a54c35ec8a4ddba2ab92669822b21fd4592c9e4fce1ce46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f8d04a6fff5052db1851fd541e6fe4836de75c99c54b2f94f25782e404f787
[INFO] running `Command { std: "docker" "start" "-a" "12f8d04a6fff5052db1851fd541e6fe4836de75c99c54b2f94f25782e404f787", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "12f8d04a6fff5052db1851fd541e6fe4836de75c99c54b2f94f25782e404f787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f8d04a6fff5052db1851fd541e6fe4836de75c99c54b2f94f25782e404f787", kill_on_drop: false }`
[INFO] [stdout] 12f8d04a6fff5052db1851fd541e6fe4836de75c99c54b2f94f25782e404f787