[INFO] fetching crate permutation_iterator 0.1.2...
[INFO] checking permutation_iterator-0.1.2 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate permutation_iterator 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate permutation_iterator 0.1.2 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permutation_iterator 0.1.2
[INFO] finished tweaking crates.io crate permutation_iterator 0.1.2
[INFO] tweaked toml for crates.io crate permutation_iterator 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate permutation_iterator 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cdcc027a9640ffb32eb3a90af672c597de2e2f170b559bcd604ff4c787d8bd4
[INFO] running `Command { std: "docker" "start" "-a" "7cdcc027a9640ffb32eb3a90af672c597de2e2f170b559bcd604ff4c787d8bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cdcc027a9640ffb32eb3a90af672c597de2e2f170b559bcd604ff4c787d8bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdcc027a9640ffb32eb3a90af672c597de2e2f170b559bcd604ff4c787d8bd4", kill_on_drop: false }`
[INFO] [stdout] 7cdcc027a9640ffb32eb3a90af672c597de2e2f170b559bcd604ff4c787d8bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74bdaf5bf9b4b8b1c07264ed9efaa96dc7af7e18d5e3e7ecfbf9419dc03e8a54
[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" "74bdaf5bf9b4b8b1c07264ed9efaa96dc7af7e18d5e3e7ecfbf9419dc03e8a54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking permutation_iterator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "74bdaf5bf9b4b8b1c07264ed9efaa96dc7af7e18d5e3e7ecfbf9419dc03e8a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bdaf5bf9b4b8b1c07264ed9efaa96dc7af7e18d5e3e7ecfbf9419dc03e8a54", kill_on_drop: false }`
[INFO] [stdout] 74bdaf5bf9b4b8b1c07264ed9efaa96dc7af7e18d5e3e7ecfbf9419dc03e8a54