[INFO] fetching crate datetime 0.5.2...
[INFO] checking datetime-0.5.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate datetime 0.5.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate datetime 0.5.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate datetime 0.5.2
[INFO] finished tweaking crates.io crate datetime 0.5.2
[INFO] tweaked toml for crates.io crate datetime 0.5.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1fc5f3366d3e6a471882a5f99a8248f81dab1b3dfcc4f1dd3812d7bb95b3af9
[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" "a1fc5f3366d3e6a471882a5f99a8248f81dab1b3dfcc4f1dd3812d7bb95b3af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1fc5f3366d3e6a471882a5f99a8248f81dab1b3dfcc4f1dd3812d7bb95b3af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fc5f3366d3e6a471882a5f99a8248f81dab1b3dfcc4f1dd3812d7bb95b3af9", kill_on_drop: false }`
[INFO] [stdout] a1fc5f3366d3e6a471882a5f99a8248f81dab1b3dfcc4f1dd3812d7bb95b3af9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 7c8e6bd22c870f88763cb3d2936acc4f18013ca6a80a076a434b01d69c44400a
[INFO] running `Command { std: "docker" "start" "-a" "7c8e6bd22c870f88763cb3d2936acc4f18013ca6a80a076a434b01d69c44400a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking locale v0.2.2
[INFO] [stderr]     Checking iso8601 v0.3.0
[INFO] [stderr]     Checking datetime v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trivial numeric cast: `i64` as `i64`
[INFO] [stdout]   --> src/system.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     (tv.tv_sec as i64, (tv.tv_nsec / 1000) as i16)
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![warn(trivial_numeric_casts)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trivial numeric cast: `i64` as `i64`
[INFO] [stdout]   --> src/system.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     (tv.tv_sec as i64, (tv.tv_nsec / 1000) as i16)
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![warn(trivial_numeric_casts)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/system.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub unsafe fn sys_time() -> (i64, i16) {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![warn(unreachable_pub)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/system.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub unsafe fn sys_time() -> (i64, i16) {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![warn(unreachable_pub)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "7c8e6bd22c870f88763cb3d2936acc4f18013ca6a80a076a434b01d69c44400a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8e6bd22c870f88763cb3d2936acc4f18013ca6a80a076a434b01d69c44400a", kill_on_drop: false }`
[INFO] [stdout] 7c8e6bd22c870f88763cb3d2936acc4f18013ca6a80a076a434b01d69c44400a