[INFO] fetching crate rocket_prometheus 0.7.0...
[INFO] checking rocket_prometheus-0.7.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate rocket_prometheus 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rocket_prometheus 0.7.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_prometheus 0.7.0
[INFO] finished tweaking crates.io crate rocket_prometheus 0.7.0
[INFO] tweaked toml for crates.io crate rocket_prometheus 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rocket_prometheus 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0c8405ef6ae2d76e174fcc5a3fe751b293b061560ad9cc1e68f05894b9a0b17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0c8405ef6ae2d76e174fcc5a3fe751b293b061560ad9cc1e68f05894b9a0b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c8405ef6ae2d76e174fcc5a3fe751b293b061560ad9cc1e68f05894b9a0b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c8405ef6ae2d76e174fcc5a3fe751b293b061560ad9cc1e68f05894b9a0b17", kill_on_drop: false }`
[INFO] [stdout] c0c8405ef6ae2d76e174fcc5a3fe751b293b061560ad9cc1e68f05894b9a0b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ff8630b5eebdea00aa36c886684e1283c4fc930df32cd68fe1a8a3f01f93f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74ff8630b5eebdea00aa36c886684e1283c4fc930df32cd68fe1a8a3f01f93f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]    Compiling rocket_http v0.4.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]     Checking rocket_prometheus v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.99s
[INFO] running `Command { std: "docker" "inspect" "74ff8630b5eebdea00aa36c886684e1283c4fc930df32cd68fe1a8a3f01f93f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ff8630b5eebdea00aa36c886684e1283c4fc930df32cd68fe1a8a3f01f93f0", kill_on_drop: false }`
[INFO] [stdout] 74ff8630b5eebdea00aa36c886684e1283c4fc930df32cd68fe1a8a3f01f93f0