[INFO] fetching crate fast-tak 0.4.0...
[INFO] checking fast-tak-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fast-tak 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fast-tak 0.4.0 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 fast-tak 0.4.0
[INFO] finished tweaking crates.io crate fast-tak 0.4.0
[INFO] tweaked toml for crates.io crate fast-tak 0.4.0 written to /workspace/builds/worker-1-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 83 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 clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded takparse v0.6.0
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 32bb64242d7af94600e862ec58ee38cfc5d221c6ec7df44131533c30b7417b9f
[INFO] running `Command { std: "docker" "start" "-a" "32bb64242d7af94600e862ec58ee38cfc5d221c6ec7df44131533c30b7417b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32bb64242d7af94600e862ec58ee38cfc5d221c6ec7df44131533c30b7417b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bb64242d7af94600e862ec58ee38cfc5d221c6ec7df44131533c30b7417b9f", kill_on_drop: false }`
[INFO] [stdout] 32bb64242d7af94600e862ec58ee38cfc5d221c6ec7df44131533c30b7417b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6ed66038abbb19b9343502d761aead7d413bd09f2700c3071c51920574ce3e27
[INFO] running `Command { std: "docker" "start" "-a" "6ed66038abbb19b9343502d761aead7d413bd09f2700c3071c51920574ce3e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking takparse v0.6.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking fast-tak v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "6ed66038abbb19b9343502d761aead7d413bd09f2700c3071c51920574ce3e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed66038abbb19b9343502d761aead7d413bd09f2700c3071c51920574ce3e27", kill_on_drop: false }`
[INFO] [stdout] 6ed66038abbb19b9343502d761aead7d413bd09f2700c3071c51920574ce3e27
[INFO] checking fast-tak-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate fast-tak 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate fast-tak 0.4.0 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 fast-tak 0.4.0
[INFO] finished tweaking crates.io crate fast-tak 0.4.0
[INFO] tweaked toml for crates.io crate fast-tak 0.4.0 written to /workspace/builds/worker-1-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 83 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 clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 69a298b1561092c0028635188387bda54abd2caa85571f8cb5af151eb7c6570e
[INFO] running `Command { std: "docker" "start" "-a" "69a298b1561092c0028635188387bda54abd2caa85571f8cb5af151eb7c6570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a298b1561092c0028635188387bda54abd2caa85571f8cb5af151eb7c6570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a298b1561092c0028635188387bda54abd2caa85571f8cb5af151eb7c6570e", kill_on_drop: false }`
[INFO] [stdout] 69a298b1561092c0028635188387bda54abd2caa85571f8cb5af151eb7c6570e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1570f76188d4e613bf1b30739a74743a9f75da45c137ac0d9a05ce463349e510
[INFO] running `Command { std: "docker" "start" "-a" "1570f76188d4e613bf1b30739a74743a9f75da45c137ac0d9a05ce463349e510", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking takparse v0.6.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking fast-tak v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "1570f76188d4e613bf1b30739a74743a9f75da45c137ac0d9a05ce463349e510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1570f76188d4e613bf1b30739a74743a9f75da45c137ac0d9a05ce463349e510", kill_on_drop: false }`
[INFO] [stdout] 1570f76188d4e613bf1b30739a74743a9f75da45c137ac0d9a05ce463349e510