[INFO] crate idcontain 0.7.6 is already in cache
[INFO] testing idcontain-0.7.6 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate idcontain 0.7.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate idcontain 0.7.6 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate idcontain 0.7.6
[INFO] finished tweaking crates.io crate idcontain 0.7.6
[INFO] tweaked toml for crates.io crate idcontain 0.7.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5dd5cd768bfced47ee012f0638a56b5840409f39cb96df4383a35e99e431870
[INFO] running `"docker" "start" "-a" "c5dd5cd768bfced47ee012f0638a56b5840409f39cb96df4383a35e99e431870"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling idcontain v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `"docker" "inspect" "c5dd5cd768bfced47ee012f0638a56b5840409f39cb96df4383a35e99e431870"`
[INFO] running `"docker" "rm" "-f" "c5dd5cd768bfced47ee012f0638a56b5840409f39cb96df4383a35e99e431870"`
[INFO] [stdout] c5dd5cd768bfced47ee012f0638a56b5840409f39cb96df4383a35e99e431870
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0e2e3a483506784e01193ae90265421313c87ac6f192e7183521225a67ed0fd
[INFO] running `"docker" "start" "-a" "e0e2e3a483506784e01193ae90265421313c87ac6f192e7183521225a67ed0fd"`
[INFO] [stderr]    Compiling idcontain v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "e0e2e3a483506784e01193ae90265421313c87ac6f192e7183521225a67ed0fd"`
[INFO] running `"docker" "rm" "-f" "e0e2e3a483506784e01193ae90265421313c87ac6f192e7183521225a67ed0fd"`
[INFO] [stdout] e0e2e3a483506784e01193ae90265421313c87ac6f192e7183521225a67ed0fd
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 60a15039128f8c64454a3f1bfcfd62cef9dbc7def7dcce4fb9347c11d0a2037f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "60a15039128f8c64454a3f1bfcfd62cef9dbc7def7dcce4fb9347c11d0a2037f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/idcontain-b2af02d9c09f9299
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test slab::tests::id_slab_ids_from_different_id_slabs ... ok
[INFO] [stdout] test map::tests::modify_through_get_mut ... ok
[INFO] [stdout] test map::tests::insert_get_returns_correct ... ok
[INFO] [stdout] test map::tests::insert_twice_returns_first_and_respects_tag ... ok
[INFO] [stdout] test map::tests::swap ... ok
[INFO] [stdout] test slab::tests::id_slab_insert_then_remove_get ... ok
[INFO] [stdout] test map::tests::insert_remove_get ... ok
[INFO] [stdout] test slab::tests::id_slab_insert_then_get_and_index ... ok
[INFO] [stdout] test slab::tests::len_iter_contains_on_empty ... ok
[INFO] [stdout] test slab::tests::iter_mut_on_empty ... ok
[INFO] [stdout] test slab::tests::id_slab_insert_then_remove_iter ... ok
[INFO] [stderr]    Doc-tests idcontain
[INFO] [stdout] test slab::tests::id_slab_insert_then_remove_index_panics ... ok
[INFO] [stdout] test slab::tests::id_slab_insert_then_remove_index_mut_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::contains (line 189) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab (line 60) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::by_index_mut (line 509) ... ok
[INFO] [stdout] test src/id.rs - id::Id<T>::cast (line 76) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab (line 20) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::by_index (line 481) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::get (line 220) ... ok
[INFO] [stdout] test src/id.rs - id::Id<T>::invalid (line 53) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::index_to_id (line 540) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::insert (line 271) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::is_empty (line 162) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::get_mut (line 244) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::iter (line 389) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::len (line 139) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::iter_mut (line 422) ... ok
[INFO] [stdout] test src/slab.rs - slab::IdSlab<T>::remove (line 331) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "60a15039128f8c64454a3f1bfcfd62cef9dbc7def7dcce4fb9347c11d0a2037f"`
[INFO] running `"docker" "rm" "-f" "60a15039128f8c64454a3f1bfcfd62cef9dbc7def7dcce4fb9347c11d0a2037f"`
[INFO] [stdout] 60a15039128f8c64454a3f1bfcfd62cef9dbc7def7dcce4fb9347c11d0a2037f