[INFO] fetching crate background-jobs-metrics 0.15.0...
[INFO] checking background-jobs-metrics-0.15.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate background-jobs-metrics 0.15.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate background-jobs-metrics 0.15.0 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 background-jobs-metrics 0.15.0
[INFO] finished tweaking crates.io crate background-jobs-metrics 0.15.0
[INFO] tweaked toml for crates.io crate background-jobs-metrics 0.15.0 written to /workspace/builds/worker-0-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 50 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding endian-type v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hashbrown v0.13.1 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding metrics v0.21.1 (latest: v0.22.3)
[INFO] [stderr]       Adding metrics-util v0.15.1 (latest: v0.16.3)
[INFO] [stderr]       Adding ordered-float v3.9.2 (latest: v4.2.0)
[INFO] [stderr]       Adding quanta v0.11.1 (latest: v0.12.3)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 nibble_vec v0.1.0
[INFO] [stderr]   Downloaded mach2 v0.4.2
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded metrics-macros v0.7.1
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.2
[INFO] [stderr]   Downloaded ordered-float v3.9.2
[INFO] [stderr]   Downloaded metrics v0.21.1
[INFO] [stderr]   Downloaded metrics-util v0.15.1
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded hashbrown v0.13.1
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded quanta v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 921163dfe3531261de3240352328a43fd391e135e1cc4b27988c7d1224c1d3e8
[INFO] running `Command { std: "docker" "start" "-a" "921163dfe3531261de3240352328a43fd391e135e1cc4b27988c7d1224c1d3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921163dfe3531261de3240352328a43fd391e135e1cc4b27988c7d1224c1d3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921163dfe3531261de3240352328a43fd391e135e1cc4b27988c7d1224c1d3e8", kill_on_drop: false }`
[INFO] [stdout] 921163dfe3531261de3240352328a43fd391e135e1cc4b27988c7d1224c1d3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c5ca2671a4d0305486f07938714c48194448966a990d66b741563572f844d0db
[INFO] running `Command { std: "docker" "start" "-a" "c5ca2671a4d0305486f07938714c48194448966a990d66b741563572f844d0db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking sketches-ddsketch v0.2.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking hashbrown v0.13.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking quanta v0.11.1
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]    Compiling metrics-macros v0.7.1
[INFO] [stderr]     Checking metrics v0.21.1
[INFO] [stderr]     Checking metrics-util v0.15.1
[INFO] [stderr]     Checking background-jobs-metrics v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "c5ca2671a4d0305486f07938714c48194448966a990d66b741563572f844d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ca2671a4d0305486f07938714c48194448966a990d66b741563572f844d0db", kill_on_drop: false }`
[INFO] [stdout] c5ca2671a4d0305486f07938714c48194448966a990d66b741563572f844d0db