[INFO] crate learn_itor 0.1.0 is already in cache
[INFO] checking learn_itor-0.1.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate learn_itor 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate learn_itor 0.1.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate learn_itor 0.1.0
[INFO] finished tweaking crates.io crate learn_itor 0.1.0
[INFO] tweaked toml for crates.io crate learn_itor 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate learn_itor 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 253b555c5704585ca8d860946ee0e5ccbd194999727c728a2a69de89ae1c9669
[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" "253b555c5704585ca8d860946ee0e5ccbd194999727c728a2a69de89ae1c9669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253b555c5704585ca8d860946ee0e5ccbd194999727c728a2a69de89ae1c9669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253b555c5704585ca8d860946ee0e5ccbd194999727c728a2a69de89ae1c9669", kill_on_drop: false }`
[INFO] [stdout] 253b555c5704585ca8d860946ee0e5ccbd194999727c728a2a69de89ae1c9669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 68e347fe03b6375c73c9e41bccef5e82720b37220bdc2b00428eba4a1df505b9
[INFO] running `Command { std: "docker" "start" "-a" "68e347fe03b6375c73c9e41bccef5e82720b37220bdc2b00428eba4a1df505b9", kill_on_drop: false }`
[INFO] [stderr]     Checking learn_itor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "68e347fe03b6375c73c9e41bccef5e82720b37220bdc2b00428eba4a1df505b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e347fe03b6375c73c9e41bccef5e82720b37220bdc2b00428eba4a1df505b9", kill_on_drop: false }`
[INFO] [stdout] 68e347fe03b6375c73c9e41bccef5e82720b37220bdc2b00428eba4a1df505b9