[INFO] crate staticfraction 0.0.1 is already in cache
[INFO] checking staticfraction-0.0.1 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate staticfraction 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate staticfraction 0.0.1 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate staticfraction 0.0.1
[INFO] finished tweaking crates.io crate staticfraction 0.0.1
[INFO] tweaked toml for crates.io crate staticfraction 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fraction v0.6.3
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f345acf63dd5e2223cb1ae41b7cda61bfec684c4c708694a16fab9a46885ef7
[INFO] running `"docker" "start" "-a" "4f345acf63dd5e2223cb1ae41b7cda61bfec684c4c708694a16fab9a46885ef7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking staticfraction v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `min_numerator`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn min_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::min_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `max_numerator`
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn max_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::max_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(associated_consts)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `min_numerator`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn min_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::min_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `max_numerator`
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn max_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::max_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(associated_consts)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/pt100.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(associated_consts)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/demo_constant_propagation.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(associated_consts)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "4f345acf63dd5e2223cb1ae41b7cda61bfec684c4c708694a16fab9a46885ef7"`
[INFO] running `"docker" "rm" "-f" "4f345acf63dd5e2223cb1ae41b7cda61bfec684c4c708694a16fab9a46885ef7"`
[INFO] [stdout] 4f345acf63dd5e2223cb1ae41b7cda61bfec684c4c708694a16fab9a46885ef7