[INFO] fetching crate mech-stats 0.0.5...
[INFO] checking mech-stats-0.0.5 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate mech-stats 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mech-stats 0.0.5 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mech-stats 0.0.5
[INFO] finished tweaking crates.io crate mech-stats 0.0.5
[INFO] tweaked toml for crates.io crate mech-stats 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 24b4c3b58ca5ce0920bec3d301c2111de9b68baf328109f4df724c8b68da4882
[INFO] running `"docker" "start" "-a" "24b4c3b58ca5ce0920bec3d301c2111de9b68baf328109f4df724c8b68da4882"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking mech-utilities v0.0.5
[INFO] [stderr]     Checking mech-stats v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Interner`, `Transaction`
[INFO] [stderr]  --> src/lib.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::{Interner, Transaction};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Interner`, `Transaction`
[INFO] [stderr]  --> src/lib.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::{Interner, Transaction};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Quantity`, `make_quantity`
[INFO] [stderr]  --> tests/stats.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^                            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `QuantityMath`
[INFO] [stderr]  --> tests/stats.rs:6:39
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "24b4c3b58ca5ce0920bec3d301c2111de9b68baf328109f4df724c8b68da4882"`
[INFO] running `"docker" "rm" "-f" "24b4c3b58ca5ce0920bec3d301c2111de9b68baf328109f4df724c8b68da4882"`
[INFO] [stdout] 24b4c3b58ca5ce0920bec3d301c2111de9b68baf328109f4df724c8b68da4882