[INFO] fetching crate cron_clock 0.6.6...
[INFO] checking cron_clock-0.6.6 against beta for pr-78714
[INFO] extracting crate cron_clock 0.6.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cron_clock 0.6.6 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 cron_clock 0.6.6
[INFO] finished tweaking crates.io crate cron_clock 0.6.6
[INFO] tweaked toml for crates.io crate cron_clock 0.6.6 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5c8e3954958abcf347ea58948c9d7fdc54a8fb9fed5fde0e426e84200df637f
[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" "c5c8e3954958abcf347ea58948c9d7fdc54a8fb9fed5fde0e426e84200df637f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c8e3954958abcf347ea58948c9d7fdc54a8fb9fed5fde0e426e84200df637f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c8e3954958abcf347ea58948c9d7fdc54a8fb9fed5fde0e426e84200df637f", kill_on_drop: false }`
[INFO] [stdout] c5c8e3954958abcf347ea58948c9d7fdc54a8fb9fed5fde0e426e84200df637f
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe1ec5776c19b3861f2c6ca3fad86d8b47ddff9752cc41213329416723e40077
[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" "fe1ec5776c19b3861f2c6ca3fad86d8b47ddff9752cc41213329416723e40077", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling timed_proc_macros v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking cron_clock v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking timed v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling parse-zoneinfo v0.1.1
[INFO] [stderr]    Compiling chrono-tz v0.4.1
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> tests/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[warn(unused_imports)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `timed::timed`
[INFO] [stdout]   --> tests/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use timed::timed;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> tests/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[warn(unused_imports)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.24s
[INFO] running `Command { std: "docker" "inspect" "fe1ec5776c19b3861f2c6ca3fad86d8b47ddff9752cc41213329416723e40077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1ec5776c19b3861f2c6ca3fad86d8b47ddff9752cc41213329416723e40077", kill_on_drop: false }`
[INFO] [stdout] fe1ec5776c19b3861f2c6ca3fad86d8b47ddff9752cc41213329416723e40077