[INFO] fetching crate hybrid-clocks 0.5.3...
[INFO] testing hybrid-clocks-0.5.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate hybrid-clocks 0.5.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate hybrid-clocks 0.5.3
[INFO] finished tweaking crates.io crate hybrid-clocks 0.5.3
[INFO] tweaked toml for crates.io crate hybrid-clocks 0.5.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hybrid-clocks 0.5.3 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hybrid-clocks 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ce93a943f459cfd91c64742ebb01911909a70d29ac31b7a22739b193f17a826
[INFO] running `Command { std: "docker" "start" "-a" "6ce93a943f459cfd91c64742ebb01911909a70d29ac31b7a22739b193f17a826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce93a943f459cfd91c64742ebb01911909a70d29ac31b7a22739b193f17a826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce93a943f459cfd91c64742ebb01911909a70d29ac31b7a22739b193f17a826", kill_on_drop: false }`
[INFO] [stdout] 6ce93a943f459cfd91c64742ebb01911909a70d29ac31b7a22739b193f17a826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfaa4e523587e7189b97e54c5383d25ae2f473027335f83176a07484d0b61f7b
[INFO] running `Command { std: "docker" "start" "-a" "bfaa4e523587e7189b97e54c5383d25ae2f473027335f83176a07484d0b61f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling hybrid-clocks v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused return value of `Duration::new` that must be used
[INFO] [stdout]   --> src/source/wall_ms.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Duration::new(secs, nsecs.try_into().expect("internal error"));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = Duration::new(secs, nsecs.try_into().expect("internal error"));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hybrid-clocks` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bfaa4e523587e7189b97e54c5383d25ae2f473027335f83176a07484d0b61f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaa4e523587e7189b97e54c5383d25ae2f473027335f83176a07484d0b61f7b", kill_on_drop: false }`
[INFO] [stdout] bfaa4e523587e7189b97e54c5383d25ae2f473027335f83176a07484d0b61f7b