[INFO] fetching crate hotspots-discovery 0.0.8...
[INFO] checking hotspots-discovery-0.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hotspots-discovery 0.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hotspots-discovery 0.0.8 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 hotspots-discovery 0.0.8
[INFO] finished tweaking crates.io crate hotspots-discovery 0.0.8
[INFO] tweaked toml for crates.io crate hotspots-discovery 0.0.8 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2 v0.18.3
[INFO] [stderr]   Downloaded detect-lang v0.1.5
[INFO] [stderr]   Downloaded hotspots-utilities v0.0.8
[INFO] [stderr]   Downloaded libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]   Downloaded speculoos v0.11.0
[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] f5053a8f9b207417de3e7045554fe2b719718b7075f6b0bc335cd77f881146cb
[INFO] running `Command { std: "docker" "start" "-a" "f5053a8f9b207417de3e7045554fe2b719718b7075f6b0bc335cd77f881146cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5053a8f9b207417de3e7045554fe2b719718b7075f6b0bc335cd77f881146cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5053a8f9b207417de3e7045554fe2b719718b7075f6b0bc335cd77f881146cb", kill_on_drop: false }`
[INFO] [stdout] f5053a8f9b207417de3e7045554fe2b719718b7075f6b0bc335cd77f881146cb
[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] 18c7468f4cb2ba266a294160caa7180fde7b55a8e59b193530bf9f3b89153e60
[INFO] running `Command { std: "docker" "start" "-a" "18c7468f4cb2ba266a294160caa7180fde7b55a8e59b193530bf9f3b89153e60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking detect-lang v0.1.5
[INFO] [stderr]     Checking hotspots-discovery v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking speculoos v0.11.0
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]     Checking git2 v0.18.3
[INFO] [stderr]     Checking hotspots-utilities v0.0.8
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.72s
[INFO] running `Command { std: "docker" "inspect" "18c7468f4cb2ba266a294160caa7180fde7b55a8e59b193530bf9f3b89153e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c7468f4cb2ba266a294160caa7180fde7b55a8e59b193530bf9f3b89153e60", kill_on_drop: false }`
[INFO] [stdout] 18c7468f4cb2ba266a294160caa7180fde7b55a8e59b193530bf9f3b89153e60