[INFO] fetching crate bytecheck_test 0.6.5...
[INFO] checking bytecheck_test-0.6.5 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate bytecheck_test 0.6.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bytecheck_test 0.6.5 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecheck_test 0.6.5
[INFO] finished tweaking crates.io crate bytecheck_test 0.6.5
[INFO] tweaked toml for crates.io crate bytecheck_test 0.6.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages
[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7866bd18617305c8908cb28c7188977773a11ecc6b7dc432b5636579d3b2c5e
[INFO] running `Command { std: "docker" "start" "-a" "c7866bd18617305c8908cb28c7188977773a11ecc6b7dc432b5636579d3b2c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7866bd18617305c8908cb28c7188977773a11ecc6b7dc432b5636579d3b2c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7866bd18617305c8908cb28c7188977773a11ecc6b7dc432b5636579d3b2c5e", kill_on_drop: false }`
[INFO] [stdout] c7866bd18617305c8908cb28c7188977773a11ecc6b7dc432b5636579d3b2c5e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a238b59760d07f12c75e27714bac30e5484b0a4852f48068856e642b278a7296
[INFO] running `Command { std: "docker" "start" "-a" "a238b59760d07f12c75e27714bac30e5484b0a4852f48068856e642b278a7296", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking bytecheck_test v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:344:15
[INFO] [stdout]     |
[INFO] [stdout] 344 |             A(u32, bool, CharLE),
[INFO] [stdout]     |             - ^^^  ^^^^  ^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             fields in this variant
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:5
[INFO] [stdout]     |
[INFO] [stdout] 6   |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(unused)]`
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 344 |             A((), (), ()),
[INFO] [stdout]     |               ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:543:33
[INFO] [stdout]     |
[INFO] [stdout] 543 |             Cons(#[omit_bounds] MyBox<Node>),
[INFO] [stdout]     |             ----                ^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 543 |             Cons(#[omit_bounds] ()),
[INFO] [stdout]     |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytecheck_test` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a238b59760d07f12c75e27714bac30e5484b0a4852f48068856e642b278a7296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a238b59760d07f12c75e27714bac30e5484b0a4852f48068856e642b278a7296", kill_on_drop: false }`
[INFO] [stdout] a238b59760d07f12c75e27714bac30e5484b0a4852f48068856e642b278a7296
[INFO] checking bytecheck_test-0.6.5 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate bytecheck_test 0.6.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bytecheck_test 0.6.5 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecheck_test 0.6.5
[INFO] finished tweaking crates.io crate bytecheck_test 0.6.5
[INFO] tweaked toml for crates.io crate bytecheck_test 0.6.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] facb793554c7bb53520e88c29d27bb0a6d9077313a82aa549389f083ed91572a
[INFO] running `Command { std: "docker" "start" "-a" "facb793554c7bb53520e88c29d27bb0a6d9077313a82aa549389f083ed91572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "facb793554c7bb53520e88c29d27bb0a6d9077313a82aa549389f083ed91572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facb793554c7bb53520e88c29d27bb0a6d9077313a82aa549389f083ed91572a", kill_on_drop: false }`
[INFO] [stdout] facb793554c7bb53520e88c29d27bb0a6d9077313a82aa549389f083ed91572a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd90b6ac0349aff56974bd05e528bbb4dc31aeb508082cf9f3c38dbf2f5fe9e3
[INFO] running `Command { std: "docker" "start" "-a" "cd90b6ac0349aff56974bd05e528bbb4dc31aeb508082cf9f3c38dbf2f5fe9e3", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "cd90b6ac0349aff56974bd05e528bbb4dc31aeb508082cf9f3c38dbf2f5fe9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd90b6ac0349aff56974bd05e528bbb4dc31aeb508082cf9f3c38dbf2f5fe9e3", kill_on_drop: false }`
[INFO] [stdout] cd90b6ac0349aff56974bd05e528bbb4dc31aeb508082cf9f3c38dbf2f5fe9e3