[INFO] fetching crate rem-cli 0.2.1...
[INFO] checking rem-cli-0.2.1 against beta for pr-78714
[INFO] extracting crate rem-cli 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rem-cli 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rem-cli 0.2.1
[INFO] finished tweaking crates.io crate rem-cli 0.2.1
[INFO] tweaked toml for crates.io crate rem-cli 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rem-cli 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 075478105ffeb6c15a53ed6fcd859ed274d104ec796963555691e30ad990b956
[INFO] running `Command { std: "docker" "start" "-a" "075478105ffeb6c15a53ed6fcd859ed274d104ec796963555691e30ad990b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075478105ffeb6c15a53ed6fcd859ed274d104ec796963555691e30ad990b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075478105ffeb6c15a53ed6fcd859ed274d104ec796963555691e30ad990b956", kill_on_drop: false }`
[INFO] [stdout] 075478105ffeb6c15a53ed6fcd859ed274d104ec796963555691e30ad990b956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a60883676ee74bd3a15e8f1ca280272ce75fe1d7053ec337d3b4787315e5d5b
[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" "8a60883676ee74bd3a15e8f1ca280272ce75fe1d7053ec337d3b4787315e5d5b", kill_on_drop: false }`
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking rem-cli v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_with_path`
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new_with_path(path: String) -> Rem {
[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 16.97s
[INFO] running `Command { std: "docker" "inspect" "8a60883676ee74bd3a15e8f1ca280272ce75fe1d7053ec337d3b4787315e5d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a60883676ee74bd3a15e8f1ca280272ce75fe1d7053ec337d3b4787315e5d5b", kill_on_drop: false }`
[INFO] [stdout] 8a60883676ee74bd3a15e8f1ca280272ce75fe1d7053ec337d3b4787315e5d5b