[INFO] crate unums 0.0.1 is already in cache
[INFO] checking unums-0.0.1 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate unums 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate unums 0.0.1 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16bc234cd54f14acafbcbe5a33dd25d5af77b9daf1b1d7fef1646293c40eeb3d
[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" "16bc234cd54f14acafbcbe5a33dd25d5af77b9daf1b1d7fef1646293c40eeb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16bc234cd54f14acafbcbe5a33dd25d5af77b9daf1b1d7fef1646293c40eeb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bc234cd54f14acafbcbe5a33dd25d5af77b9daf1b1d7fef1646293c40eeb3d", kill_on_drop: false }`
[INFO] [stdout] 16bc234cd54f14acafbcbe5a33dd25d5af77b9daf1b1d7fef1646293c40eeb3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5637b7e4de29a028c81e72e74c241bf5cb302c21f2222fda16a54bbad4bbddb2
[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" "5637b7e4de29a028c81e72e74c241bf5cb302c21f2222fda16a54bbad4bbddb2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking unums v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/type1/utils.rs:78:1
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stdout] 79  | |     ($T:ty, $E:path) => {
[INFO] [stdout] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stdout] 81  | |             #[inline(always)]
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |     };
[INFO] [stdout] 124 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/type1/utils.rs:78:1
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stdout] 79  | |     ($T:ty, $E:path) => {
[INFO] [stdout] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stdout] 81  | |             #[inline(always)]
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |     };
[INFO] [stdout] 124 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_i32_old`
[INFO] [stdout]   --> src/type1/unum.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from_i32_old(n: i32) -> Unum<E> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5637b7e4de29a028c81e72e74c241bf5cb302c21f2222fda16a54bbad4bbddb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5637b7e4de29a028c81e72e74c241bf5cb302c21f2222fda16a54bbad4bbddb2", kill_on_drop: false }`
[INFO] [stdout] 5637b7e4de29a028c81e72e74c241bf5cb302c21f2222fda16a54bbad4bbddb2