[INFO] fetching crate sloth256-189 0.4.2...
[INFO] checking sloth256-189-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate sloth256-189 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sloth256-189 0.4.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sloth256-189 0.4.2
[INFO] finished tweaking crates.io crate sloth256-189 0.4.2
[INFO] tweaked toml for crates.io crate sloth256-189 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[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 textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openmp-sys v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f98acd69954d45747d4be2e784e129df3096230690ff419d22e2b5ffe5251c
[INFO] running `Command { std: "docker" "start" "-a" "a9f98acd69954d45747d4be2e784e129df3096230690ff419d22e2b5ffe5251c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f98acd69954d45747d4be2e784e129df3096230690ff419d22e2b5ffe5251c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f98acd69954d45747d4be2e784e129df3096230690ff419d22e2b5ffe5251c", kill_on_drop: false }`
[INFO] [stdout] a9f98acd69954d45747d4be2e784e129df3096230690ff419d22e2b5ffe5251c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79aaa1163e7b7101b2389aecb7adf0c67bff8c4cfbccb58f4b37bd0d9cd1e811
[INFO] running `Command { std: "docker" "start" "-a" "79aaa1163e7b7101b2389aecb7adf0c67bff8c4cfbccb58f4b37bd0d9cd1e811", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling sloth256-189 v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "79aaa1163e7b7101b2389aecb7adf0c67bff8c4cfbccb58f4b37bd0d9cd1e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aaa1163e7b7101b2389aecb7adf0c67bff8c4cfbccb58f4b37bd0d9cd1e811", kill_on_drop: false }`
[INFO] [stdout] 79aaa1163e7b7101b2389aecb7adf0c67bff8c4cfbccb58f4b37bd0d9cd1e811
[INFO] checking sloth256-189-0.4.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate sloth256-189 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate sloth256-189 0.4.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sloth256-189 0.4.2
[INFO] finished tweaking crates.io crate sloth256-189 0.4.2
[INFO] tweaked toml for crates.io crate sloth256-189 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[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 textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34daf67d548f281661dd8864b8992d76b18171f09f9d98fa0986de09a7f4de9a
[INFO] running `Command { std: "docker" "start" "-a" "34daf67d548f281661dd8864b8992d76b18171f09f9d98fa0986de09a7f4de9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34daf67d548f281661dd8864b8992d76b18171f09f9d98fa0986de09a7f4de9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34daf67d548f281661dd8864b8992d76b18171f09f9d98fa0986de09a7f4de9a", kill_on_drop: false }`
[INFO] [stdout] 34daf67d548f281661dd8864b8992d76b18171f09f9d98fa0986de09a7f4de9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da8c431329c2be138175b98aa1a4eef3eb6ecd0398c510e2b5c3ec875e05706
[INFO] running `Command { std: "docker" "start" "-a" "7da8c431329c2be138175b98aa1a4eef3eb6ecd0398c510e2b5c3ec875e05706", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling sloth256-189 v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: sloth256-189@0.4.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "7da8c431329c2be138175b98aa1a4eef3eb6ecd0398c510e2b5c3ec875e05706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da8c431329c2be138175b98aa1a4eef3eb6ecd0398c510e2b5c3ec875e05706", kill_on_drop: false }`
[INFO] [stdout] 7da8c431329c2be138175b98aa1a4eef3eb6ecd0398c510e2b5c3ec875e05706