[INFO] fetching crate mc173 0.2.0...
[INFO] checking mc173-0.2.0 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate mc173 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mc173 0.2.0
[INFO] finished tweaking crates.io crate mc173 0.2.0
[INFO] tweaked toml for crates.io crate mc173 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc173 0.2.0 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc173 0.2.0 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db10b59d150e39edc59b4cd0f74ab34e756391cdf9d7d1bc782364dd0d0c7e9d
[INFO] running `Command { std: "docker" "start" "-a" "db10b59d150e39edc59b4cd0f74ab34e756391cdf9d7d1bc782364dd0d0c7e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db10b59d150e39edc59b4cd0f74ab34e756391cdf9d7d1bc782364dd0d0c7e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db10b59d150e39edc59b4cd0f74ab34e756391cdf9d7d1bc782364dd0d0c7e9d", kill_on_drop: false }`
[INFO] [stdout] db10b59d150e39edc59b4cd0f74ab34e756391cdf9d7d1bc782364dd0d0c7e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8bc534ad883528be4a8f6c065f1f02dc0e18694dcf2dd1cb415c5abb044977f
[INFO] running `Command { std: "docker" "start" "-a" "e8bc534ad883528be4a8f6c065f1f02dc0e18694dcf2dd1cb415c5abb044977f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking mc173 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `Command { std: "docker" "inspect" "e8bc534ad883528be4a8f6c065f1f02dc0e18694dcf2dd1cb415c5abb044977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bc534ad883528be4a8f6c065f1f02dc0e18694dcf2dd1cb415c5abb044977f", kill_on_drop: false }`
[INFO] [stdout] e8bc534ad883528be4a8f6c065f1f02dc0e18694dcf2dd1cb415c5abb044977f