[INFO] fetching crate rfc9839 0.2.0...
[INFO] building rfc9839-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rfc9839 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rfc9839 0.2.0
[INFO] finished tweaking crates.io crate rfc9839 0.2.0
[INFO] tweaked toml for crates.io crate rfc9839 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfc9839 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rfc9839 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b1c9f359fae7adb4ec2f750f110a02102c84f3d442324b373edf9c0bc8881b
[INFO] running `Command { std: "docker" "start" "-a" "86b1c9f359fae7adb4ec2f750f110a02102c84f3d442324b373edf9c0bc8881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b1c9f359fae7adb4ec2f750f110a02102c84f3d442324b373edf9c0bc8881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b1c9f359fae7adb4ec2f750f110a02102c84f3d442324b373edf9c0bc8881b", kill_on_drop: false }`
[INFO] [stdout] 86b1c9f359fae7adb4ec2f750f110a02102c84f3d442324b373edf9c0bc8881b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3a8b1b9f70969d8d86b3f132a2ade9a8a66bd461272c2413106dd584606fc9
[INFO] running `Command { std: "docker" "start" "-a" "3e3a8b1b9f70969d8d86b3f132a2ade9a8a66bd461272c2413106dd584606fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfc9839 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3e3a8b1b9f70969d8d86b3f132a2ade9a8a66bd461272c2413106dd584606fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3a8b1b9f70969d8d86b3f132a2ade9a8a66bd461272c2413106dd584606fc9", kill_on_drop: false }`
[INFO] [stdout] 3e3a8b1b9f70969d8d86b3f132a2ade9a8a66bd461272c2413106dd584606fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812a707956be4f10b17d9df41842ead37827e6a52d936abdcb0b6481cd341e86
[INFO] running `Command { std: "docker" "start" "-a" "812a707956be4f10b17d9df41842ead37827e6a52d936abdcb0b6481cd341e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfc9839 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "812a707956be4f10b17d9df41842ead37827e6a52d936abdcb0b6481cd341e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812a707956be4f10b17d9df41842ead37827e6a52d936abdcb0b6481cd341e86", kill_on_drop: false }`
[INFO] [stdout] 812a707956be4f10b17d9df41842ead37827e6a52d936abdcb0b6481cd341e86