[INFO] fetching crate pcb 0.2.0...
[INFO] checking pcb-0.2.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate pcb 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate pcb 0.2.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcb 0.2.0
[INFO] finished tweaking crates.io crate pcb 0.2.0
[INFO] tweaked toml for crates.io crate pcb 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding typed-arena v1.7.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded pcb-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d22fb4b4268b8de65e88de280bbb4eac37093a447fc847c23047d386a0a25b1
[INFO] running `Command { std: "docker" "start" "-a" "8d22fb4b4268b8de65e88de280bbb4eac37093a447fc847c23047d386a0a25b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d22fb4b4268b8de65e88de280bbb4eac37093a447fc847c23047d386a0a25b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d22fb4b4268b8de65e88de280bbb4eac37093a447fc847c23047d386a0a25b1", kill_on_drop: false }`
[INFO] [stdout] 8d22fb4b4268b8de65e88de280bbb4eac37093a447fc847c23047d386a0a25b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a98e5f4742c30e992cc0fba07cc1dc358980e0a40f49feb1631ee731d553164
[INFO] running `Command { std: "docker" "start" "-a" "4a98e5f4742c30e992cc0fba07cc1dc358980e0a40f49feb1631ee731d553164", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking pcb-core v0.2.0
[INFO] [stderr]     Checking pcb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `inner_ref` is never used
[INFO] [stdout]    --> src/lib.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait TyExt {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 175 |   fn inner_ref(&self) -> &Self::Output;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner_ref` is never used
[INFO] [stdout]    --> src/lib.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait TyExt {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 175 |   fn inner_ref(&self) -> &Self::Output;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4a98e5f4742c30e992cc0fba07cc1dc358980e0a40f49feb1631ee731d553164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a98e5f4742c30e992cc0fba07cc1dc358980e0a40f49feb1631ee731d553164", kill_on_drop: false }`
[INFO] [stdout] 4a98e5f4742c30e992cc0fba07cc1dc358980e0a40f49feb1631ee731d553164