[INFO] fetching crate clokwerk 0.3.2...
[INFO] checking clokwerk-0.3.2 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate clokwerk 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate clokwerk 0.3.2 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clokwerk 0.3.2
[INFO] finished tweaking crates.io crate clokwerk 0.3.2
[INFO] tweaked toml for crates.io crate clokwerk 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58dd4c9382cb806edf35b7e9efe4b402d8556cc5007c7db9556aa326a6848c35
[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" "58dd4c9382cb806edf35b7e9efe4b402d8556cc5007c7db9556aa326a6848c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58dd4c9382cb806edf35b7e9efe4b402d8556cc5007c7db9556aa326a6848c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dd4c9382cb806edf35b7e9efe4b402d8556cc5007c7db9556aa326a6848c35", kill_on_drop: false }`
[INFO] [stdout] 58dd4c9382cb806edf35b7e9efe4b402d8556cc5007c7db9556aa326a6848c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2393a2d195ea032286ab05138441c30d176b620c38891d9d26bd862cc83957
[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" "1f2393a2d195ea032286ab05138441c30d176b620c38891d9d26bd862cc83957", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking clokwerk v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]    --> src/intervals.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/intervals.rs:237:49
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 let modulus = if modulus == 0 { (m * 60) } else { modulus };
[INFO] [stdout]     |                                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/intervals.rs:243:49
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let modulus = if modulus == 0 { (h * 3600) } else { modulus };
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/job.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{convert::TryInto, marker::PhantomData, thread};
[INFO] [stdout]   |                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]    --> src/intervals.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/intervals.rs:237:49
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 let modulus = if modulus == 0 { (m * 60) } else { modulus };
[INFO] [stdout]     |                                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/intervals.rs:243:49
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let modulus = if modulus == 0 { (h * 3600) } else { modulus };
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/job.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{convert::TryInto, marker::PhantomData, thread};
[INFO] [stdout]   |                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]    --> src/scheduler.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         thread,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "1f2393a2d195ea032286ab05138441c30d176b620c38891d9d26bd862cc83957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2393a2d195ea032286ab05138441c30d176b620c38891d9d26bd862cc83957", kill_on_drop: false }`
[INFO] [stdout] 1f2393a2d195ea032286ab05138441c30d176b620c38891d9d26bd862cc83957