[INFO] crate ident 0.3.10 is already in cache
[INFO] testing ident-0.3.10 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate ident 0.3.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ident 0.3.10 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ident 0.3.10
[INFO] finished tweaking crates.io crate ident 0.3.10
[INFO] tweaked toml for crates.io crate ident 0.3.10 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c8837abfb7f7acade9d66070024bbec4eced8e462f4c0a843213c3b93a1641cf
[INFO] running `"docker" "start" "-a" "c8837abfb7f7acade9d66070024bbec4eced8e462f4c0a843213c3b93a1641cf"`
[INFO] [stderr]    Compiling ident v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `swap` is imported redundantly
[INFO] [stderr]   --> src/ident_collections.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::mem::swap;
[INFO] [stderr]    |     -------------- the item `swap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use std::mem::swap;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "c8837abfb7f7acade9d66070024bbec4eced8e462f4c0a843213c3b93a1641cf"`
[INFO] running `"docker" "rm" "-f" "c8837abfb7f7acade9d66070024bbec4eced8e462f4c0a843213c3b93a1641cf"`
[INFO] [stdout] c8837abfb7f7acade9d66070024bbec4eced8e462f4c0a843213c3b93a1641cf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 013badd85b4dc616125ccec59bbaec31c4480811f150de61925d8fb16239e971
[INFO] running `"docker" "start" "-a" "013badd85b4dc616125ccec59bbaec31c4480811f150de61925d8fb16239e971"`
[INFO] [stderr]    Compiling ident v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `swap` is imported redundantly
[INFO] [stderr]   --> src/ident_collections.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::mem::swap;
[INFO] [stderr]    |     -------------- the item `swap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use std::mem::swap;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `swap` is imported redundantly
[INFO] [stderr]   --> src/ident_collections.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::mem::swap;
[INFO] [stderr]    |     -------------- the item `swap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use std::mem::swap;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "013badd85b4dc616125ccec59bbaec31c4480811f150de61925d8fb16239e971"`
[INFO] running `"docker" "rm" "-f" "013badd85b4dc616125ccec59bbaec31c4480811f150de61925d8fb16239e971"`
[INFO] [stdout] 013badd85b4dc616125ccec59bbaec31c4480811f150de61925d8fb16239e971
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e93e2e6a92197ffa84b0ba96a7b8ee5e898ced8581faed8956a29b693ae6c1f8
[INFO] running `"docker" "start" "-a" "e93e2e6a92197ffa84b0ba96a7b8ee5e898ced8581faed8956a29b693ae6c1f8"`
[INFO] [stderr] warning: the item `swap` is imported redundantly
[INFO] [stderr]   --> src/ident_collections.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::mem::swap;
[INFO] [stderr]    |     -------------- the item `swap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use std::mem::swap;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `swap` is imported redundantly
[INFO] [stderr]   --> src/ident_collections.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::mem::swap;
[INFO] [stderr]    |     -------------- the item `swap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use std::mem::swap;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ident-781ea4141ff42d63
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ident_collections::tests::test_linkedlist ... ok
[INFO] [stdout] test ident_collections::tests::test_hashmap ... ok
[INFO] [stdout] test ident_collections::tests::test_vec ... ok
[INFO] [stderr]    Doc-tests ident
[INFO] [stdout] test ident_collections::tests::test_btreemap ... ok
[INFO] [stdout] test ident_collections::tests::test_vecdeque ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/derive_ident.rs - derive_ident::WithIdent<T, I>::update_ident (line 56) ... ok
[INFO] [stdout] test src/derive_ident.rs - derive_ident::DeriveIdent::derive_ident (line 22) ... ok
[INFO] [stdout] test src/derive_ident.rs - impl_hash_identity (line 103) ... ok
[INFO] [stdout] test src/lib.rs - WithIdent<T, I>::as_mut (line 154) ... ok
[INFO] [stdout] test src/lib.rs - WithIdent<T, I>::map (line 79) ... ok
[INFO] [stdout] test src/lib.rs - WithIdent<T, I>::as_ref (line 134) ... ok
[INFO] [stdout] test src/lib.rs - WithIdent<T, I>::into_value (line 59) ... ok
[INFO] [stdout] test src/ident_collections.rs - ident_collections::IdentCollection::insert_by_ident (line 19) ... ok
[INFO] [stdout] test src/lib.rs - WithIdent<T, I>::map_ident (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e93e2e6a92197ffa84b0ba96a7b8ee5e898ced8581faed8956a29b693ae6c1f8"`
[INFO] running `"docker" "rm" "-f" "e93e2e6a92197ffa84b0ba96a7b8ee5e898ced8581faed8956a29b693ae6c1f8"`
[INFO] [stdout] e93e2e6a92197ffa84b0ba96a7b8ee5e898ced8581faed8956a29b693ae6c1f8