[INFO] cloning repository https://github.com/Brian3647/snowboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brian3647/snowboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrian3647%2Fsnowboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrian3647%2Fsnowboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7d4c9690a677f2f8b5c0201ea7d88afbff4410d
[INFO] checking Brian3647/snowboard against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrian3647%2Fsnowboard" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brian3647/snowboard 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 git repo https://github.com/Brian3647/snowboard
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Brian3647/snowboard
[INFO] tweaked toml for git repo https://github.com/Brian3647/snowboard written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Brian3647/snowboard 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v2.0.1
[INFO] [stderr]   Downloaded async-lock v3.1.0
[INFO] [stderr]   Downloaded async-channel v2.1.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.3.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad5ad8a870c5476f663c4c1d3ca5eeaf1c7263f48af9c82562060937901f351
[INFO] running `Command { std: "docker" "start" "-a" "fad5ad8a870c5476f663c4c1d3ca5eeaf1c7263f48af9c82562060937901f351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad5ad8a870c5476f663c4c1d3ca5eeaf1c7263f48af9c82562060937901f351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad5ad8a870c5476f663c4c1d3ca5eeaf1c7263f48af9c82562060937901f351", kill_on_drop: false }`
[INFO] [stdout] fad5ad8a870c5476f663c4c1d3ca5eeaf1c7263f48af9c82562060937901f351
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d6bcf055e2689a98bbe7ec2aed861c15145c04a0a19e79a23d1002e60a11b61
[INFO] running `Command { std: "docker" "start" "-a" "3d6bcf055e2689a98bbe7ec2aed861c15145c04a0a19e79a23d1002e60a11b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking snowboard v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde v1.0.192
[INFO] [stderr]     Checking serde_json v1.0.108
[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 12.18s
[INFO] running `Command { std: "docker" "inspect" "3d6bcf055e2689a98bbe7ec2aed861c15145c04a0a19e79a23d1002e60a11b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6bcf055e2689a98bbe7ec2aed861c15145c04a0a19e79a23d1002e60a11b61", kill_on_drop: false }`
[INFO] [stdout] 3d6bcf055e2689a98bbe7ec2aed861c15145c04a0a19e79a23d1002e60a11b61