[INFO] fetching crate rinf 4.17.1...
[INFO] checking rinf-4.17.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rinf 4.17.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rinf 4.17.1 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 rinf 4.17.1
[INFO] finished tweaking crates.io crate rinf 4.17.1
[INFO] tweaked toml for crates.io crate rinf 4.17.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rinf 4.17.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dart-sys v4.0.2
[INFO] [stderr]   Downloaded os-thread-local v0.1.3
[INFO] [stderr]   Downloaded allo-isolate v0.1.20
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cab7c9caee596a44451f0372ca91114244079d8d1d78bf85e529413d1514b8de
[INFO] running `Command { std: "docker" "start" "-a" "cab7c9caee596a44451f0372ca91114244079d8d1d78bf85e529413d1514b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab7c9caee596a44451f0372ca91114244079d8d1d78bf85e529413d1514b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab7c9caee596a44451f0372ca91114244079d8d1d78bf85e529413d1514b8de", kill_on_drop: false }`
[INFO] [stdout] cab7c9caee596a44451f0372ca91114244079d8d1d78bf85e529413d1514b8de
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5b1b432ea1846dd2216e81af58337b9ab5d66360a757a8107b9b3bc4082e07
[INFO] running `Command { std: "docker" "start" "-a" "4e5b1b432ea1846dd2216e81af58337b9ab5d66360a757a8107b9b3bc4082e07", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling dart-sys v4.0.2
[INFO] [stderr]     Checking os-thread-local v0.1.3
[INFO] [stderr]     Checking allo-isolate v0.1.20
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rinf v4.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "4e5b1b432ea1846dd2216e81af58337b9ab5d66360a757a8107b9b3bc4082e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5b1b432ea1846dd2216e81af58337b9ab5d66360a757a8107b9b3bc4082e07", kill_on_drop: false }`
[INFO] [stdout] 4e5b1b432ea1846dd2216e81af58337b9ab5d66360a757a8107b9b3bc4082e07