[INFO] fetching crate mit-commit 3.1.8...
[INFO] checking mit-commit-3.1.8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mit-commit 3.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mit-commit 3.1.8 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-commit 3.1.8
[INFO] finished tweaking crates.io crate mit-commit 3.1.8
[INFO] tweaked toml for crates.io crate mit-commit 3.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 012f2c5fce0750d05f0f427772d904e97de346be6ae75b7c09bb7ea72637085b
[INFO] running `Command { std: "docker" "start" "-a" "012f2c5fce0750d05f0f427772d904e97de346be6ae75b7c09bb7ea72637085b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "012f2c5fce0750d05f0f427772d904e97de346be6ae75b7c09bb7ea72637085b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012f2c5fce0750d05f0f427772d904e97de346be6ae75b7c09bb7ea72637085b", kill_on_drop: false }`
[INFO] [stdout] 012f2c5fce0750d05f0f427772d904e97de346be6ae75b7c09bb7ea72637085b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb15f43e1ab3e83584d67ef38497d44a2265d2bebd4ac63a5f374674c4e65bf
[INFO] running `Command { std: "docker" "start" "-a" "6eb15f43e1ab3e83584d67ef38497d44a2265d2bebd4ac63a5f374674c4e65bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking mit-commit v3.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "6eb15f43e1ab3e83584d67ef38497d44a2265d2bebd4ac63a5f374674c4e65bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb15f43e1ab3e83584d67ef38497d44a2265d2bebd4ac63a5f374674c4e65bf", kill_on_drop: false }`
[INFO] [stdout] 6eb15f43e1ab3e83584d67ef38497d44a2265d2bebd4ac63a5f374674c4e65bf