[INFO] fetching crate filetime 0.2.14...
[INFO] checking filetime-0.2.14 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate filetime 0.2.14 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate filetime 0.2.14 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filetime 0.2.14
[INFO] finished tweaking crates.io crate filetime 0.2.14
[INFO] tweaked toml for crates.io crate filetime 0.2.14 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3136e14b2306d0078eadd70ca7c6d061db798e2b7d70a07062896715082e0a
[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" "5d3136e14b2306d0078eadd70ca7c6d061db798e2b7d70a07062896715082e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3136e14b2306d0078eadd70ca7c6d061db798e2b7d70a07062896715082e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3136e14b2306d0078eadd70ca7c6d061db798e2b7d70a07062896715082e0a", kill_on_drop: false }`
[INFO] [stdout] 5d3136e14b2306d0078eadd70ca7c6d061db798e2b7d70a07062896715082e0a
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 31850014f2e288136281988af3f3c6f68854c60e0489e82b99850c03b4942a6e
[INFO] running `Command { std: "docker" "start" "-a" "31850014f2e288136281988af3f3c6f68854c60e0489e82b99850c03b4942a6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14 (/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] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[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 `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 5.40s
[INFO] running `Command { std: "docker" "inspect" "31850014f2e288136281988af3f3c6f68854c60e0489e82b99850c03b4942a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31850014f2e288136281988af3f3c6f68854c60e0489e82b99850c03b4942a6e", kill_on_drop: false }`
[INFO] [stdout] 31850014f2e288136281988af3f3c6f68854c60e0489e82b99850c03b4942a6e