[INFO] crate unums 0.0.1 is already in cache
[INFO] checking unums-0.0.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate unums 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unums 0.0.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unums 0.0.1
[INFO] finished tweaking crates.io crate unums 0.0.1
[INFO] tweaked toml for crates.io crate unums 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 30677f1ca52feef36a5e5ab6287514d5b3c44fad989e8c422ca538e9485bb330
[INFO] running `"docker" "start" "-a" "30677f1ca52feef36a5e5ab6287514d5b3c44fad989e8c422ca538e9485bb330"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking unums v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/type1/utils.rs:78:1
[INFO] [stderr]     |
[INFO] [stderr] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stderr] 79  | |     ($T:ty, $E:path) => {
[INFO] [stderr] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stderr] 81  | |             #[inline(always)]
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |     };
[INFO] [stderr] 124 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_i32_old`
[INFO] [stderr]   --> src/type1/unum.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn from_i32_old(n: i32) -> Unum<E> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/type1/utils.rs:78:1
[INFO] [stderr]     |
[INFO] [stderr] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stderr] 79  | |     ($T:ty, $E:path) => {
[INFO] [stderr] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stderr] 81  | |             #[inline(always)]
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |     };
[INFO] [stderr] 124 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "30677f1ca52feef36a5e5ab6287514d5b3c44fad989e8c422ca538e9485bb330"`
[INFO] running `"docker" "rm" "-f" "30677f1ca52feef36a5e5ab6287514d5b3c44fad989e8c422ca538e9485bb330"`
[INFO] [stdout] 30677f1ca52feef36a5e5ab6287514d5b3c44fad989e8c422ca538e9485bb330