[INFO] fetching crate tango-bench 0.1.0...
[INFO] checking tango-bench-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tango-bench 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tango-bench 0.1.0 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 tango-bench 0.1.0
[INFO] finished tweaking crates.io crate tango-bench 0.1.0
[INFO] tweaked toml for crates.io crate tango-bench 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate tango-bench 0.1.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mmap v0.1.1
[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] 8fc78ce83a4ee0dd2a82a582a4337a6e37bdbe6368ea5b0bf230d1d5465e9233
[INFO] running `Command { std: "docker" "start" "-a" "8fc78ce83a4ee0dd2a82a582a4337a6e37bdbe6368ea5b0bf230d1d5465e9233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc78ce83a4ee0dd2a82a582a4337a6e37bdbe6368ea5b0bf230d1d5465e9233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc78ce83a4ee0dd2a82a582a4337a6e37bdbe6368ea5b0bf230d1d5465e9233", kill_on_drop: false }`
[INFO] [stdout] 8fc78ce83a4ee0dd2a82a582a4337a6e37bdbe6368ea5b0bf230d1d5465e9233
[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] af95aa0fd69952444474cbd0975d0b19dd0841378a7c2d7408fe067d5a3e3bc4
[INFO] running `Command { std: "docker" "start" "-a" "af95aa0fd69952444474cbd0975d0b19dd0841378a7c2d7408fe067d5a3e3bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking tango-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "af95aa0fd69952444474cbd0975d0b19dd0841378a7c2d7408fe067d5a3e3bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af95aa0fd69952444474cbd0975d0b19dd0841378a7c2d7408fe067d5a3e3bc4", kill_on_drop: false }`
[INFO] [stdout] af95aa0fd69952444474cbd0975d0b19dd0841378a7c2d7408fe067d5a3e3bc4
[INFO] checking tango-bench-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tango-bench 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tango-bench 0.1.0 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 tango-bench 0.1.0
[INFO] finished tweaking crates.io crate tango-bench 0.1.0
[INFO] tweaked toml for crates.io crate tango-bench 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate tango-bench 0.1.0 already has a lockfile, it will not be regenerated
[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] e6bf0af1a93d7ba1adf3cb238075dfff3443313d464a08cc0b6bd316f0e0385a
[INFO] running `Command { std: "docker" "start" "-a" "e6bf0af1a93d7ba1adf3cb238075dfff3443313d464a08cc0b6bd316f0e0385a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6bf0af1a93d7ba1adf3cb238075dfff3443313d464a08cc0b6bd316f0e0385a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bf0af1a93d7ba1adf3cb238075dfff3443313d464a08cc0b6bd316f0e0385a", kill_on_drop: false }`
[INFO] [stdout] e6bf0af1a93d7ba1adf3cb238075dfff3443313d464a08cc0b6bd316f0e0385a
[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] 4d9e900feb6e2ada69ac9feac312aeb107fb13dca5f7ada87b9616bc9c65a372
[INFO] running `Command { std: "docker" "start" "-a" "4d9e900feb6e2ada69ac9feac312aeb107fb13dca5f7ada87b9616bc9c65a372", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking tango-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `Command { std: "docker" "inspect" "4d9e900feb6e2ada69ac9feac312aeb107fb13dca5f7ada87b9616bc9c65a372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9e900feb6e2ada69ac9feac312aeb107fb13dca5f7ada87b9616bc9c65a372", kill_on_drop: false }`
[INFO] [stdout] 4d9e900feb6e2ada69ac9feac312aeb107fb13dca5f7ada87b9616bc9c65a372