[INFO] fetching crate atsamv71n19 0.21.0...
[INFO] checking atsamv71n19-0.21.0 against master#52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7 for pr-113312
[INFO] extracting crate atsamv71n19 0.21.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate atsamv71n19 0.21.0 on toolchain 52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamv71n19 0.21.0
[INFO] finished tweaking crates.io crate atsamv71n19 0.21.0
[INFO] tweaked toml for crates.io crate atsamv71n19 0.21.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9f2581e3cfa7e37a3f66c398a0ee340c8a9a3be98f3a37c44d68883b402c9e8
[INFO] running `Command { std: "docker" "start" "-a" "d9f2581e3cfa7e37a3f66c398a0ee340c8a9a3be98f3a37c44d68883b402c9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9f2581e3cfa7e37a3f66c398a0ee340c8a9a3be98f3a37c44d68883b402c9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f2581e3cfa7e37a3f66c398a0ee340c8a9a3be98f3a37c44d68883b402c9e8", kill_on_drop: false }`
[INFO] [stdout] d9f2581e3cfa7e37a3f66c398a0ee340c8a9a3be98f3a37c44d68883b402c9e8
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88619a292d9123f1ca6325eb230d6fdb7c2b0540be5f97925da468cf3ece10f9
[INFO] running `Command { std: "docker" "start" "-a" "88619a292d9123f1ca6325eb230d6fdb7c2b0540be5f97925da468cf3ece10f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling atsamv71n19 v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![deny(const_err)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![deny(const_err)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamv71n19` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/52d8c490a3aabe65cdd9f2d3aed95034dd5dbad7/bin/rustc --crate-name atsamv71n19 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7089d5ee558203bb -C extra-filename=-7089d5ee558203bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-754a0f35faf81235.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-e137ff2c937c5022.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88619a292d9123f1ca6325eb230d6fdb7c2b0540be5f97925da468cf3ece10f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88619a292d9123f1ca6325eb230d6fdb7c2b0540be5f97925da468cf3ece10f9", kill_on_drop: false }`
[INFO] [stdout] 88619a292d9123f1ca6325eb230d6fdb7c2b0540be5f97925da468cf3ece10f9