[INFO] fetching crate filetime 0.2.13...
[INFO] checking filetime-0.2.13 against beta for pr-78714
[INFO] extracting crate filetime 0.2.13 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate filetime 0.2.13 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 filetime 0.2.13
[INFO] finished tweaking crates.io crate filetime 0.2.13
[INFO] tweaked toml for crates.io crate filetime 0.2.13 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] e5e9fa846f343948120869db918141eca027bbbf347eccef45c66199679276e8
[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" "e5e9fa846f343948120869db918141eca027bbbf347eccef45c66199679276e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e9fa846f343948120869db918141eca027bbbf347eccef45c66199679276e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e9fa846f343948120869db918141eca027bbbf347eccef45c66199679276e8", kill_on_drop: false }`
[INFO] [stdout] e5e9fa846f343948120869db918141eca027bbbf347eccef45c66199679276e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1630217ca7509f9b58bcae06d58cf89dd939bd48dfb3eb26a749943bb5165e68
[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" "1630217ca7509f9b58bcae06d58cf89dd939bd48dfb3eb26a749943bb5165e68", kill_on_drop: false }`
[INFO] [stderr]     Checking filetime v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_timespec`
[INFO] [stdout]    --> src/unix/utimes.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn to_timespec(ft: &FileTime) -> libc::timespec {
[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] [stdout] warning: function is never used: `to_timespec`
[INFO] [stdout]    --> src/unix/utimes.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn to_timespec(ft: &FileTime) -> libc::timespec {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         fs::create_dir(&path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "1630217ca7509f9b58bcae06d58cf89dd939bd48dfb3eb26a749943bb5165e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1630217ca7509f9b58bcae06d58cf89dd939bd48dfb3eb26a749943bb5165e68", kill_on_drop: false }`
[INFO] [stdout] 1630217ca7509f9b58bcae06d58cf89dd939bd48dfb3eb26a749943bb5165e68