[INFO] fetching crate opener 0.8.3...
[INFO] building opener-0.8.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate opener 0.8.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate opener 0.8.3
[INFO] finished tweaking crates.io crate opener 0.8.3
[INFO] tweaked toml for crates.io crate opener 0.8.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opener 0.8.3 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 opener 0.8.3 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e0dc9a428e1ba4b556b158b7e220967111c8b8a147c6a9da737b11d1a3630c
[INFO] running `Command { std: "docker" "start" "-a" "d2e0dc9a428e1ba4b556b158b7e220967111c8b8a147c6a9da737b11d1a3630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e0dc9a428e1ba4b556b158b7e220967111c8b8a147c6a9da737b11d1a3630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e0dc9a428e1ba4b556b158b7e220967111c8b8a147c6a9da737b11d1a3630c", kill_on_drop: false }`
[INFO] [stdout] d2e0dc9a428e1ba4b556b158b7e220967111c8b8a147c6a9da737b11d1a3630c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931423f2fb5078604e164245f0e1906c5b4ee90cc6fcc5607c4897c8758fff47
[INFO] running `Command { std: "docker" "start" "-a" "931423f2fb5078604e164245f0e1906c5b4ee90cc6fcc5607c4897c8758fff47", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling opener v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "931423f2fb5078604e164245f0e1906c5b4ee90cc6fcc5607c4897c8758fff47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931423f2fb5078604e164245f0e1906c5b4ee90cc6fcc5607c4897c8758fff47", kill_on_drop: false }`
[INFO] [stdout] 931423f2fb5078604e164245f0e1906c5b4ee90cc6fcc5607c4897c8758fff47
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e1ea5b89c40fcbd4d964db355ee3a5ecef396b660aaf657876b93fce37e6d1
[INFO] running `Command { std: "docker" "start" "-a" "78e1ea5b89c40fcbd4d964db355ee3a5ecef396b660aaf657876b93fce37e6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling opener v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "78e1ea5b89c40fcbd4d964db355ee3a5ecef396b660aaf657876b93fce37e6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e1ea5b89c40fcbd4d964db355ee3a5ecef396b660aaf657876b93fce37e6d1", kill_on_drop: false }`
[INFO] [stdout] 78e1ea5b89c40fcbd4d964db355ee3a5ecef396b660aaf657876b93fce37e6d1