[INFO] crate out 6.0.0 is already in cache
[INFO] testing out-6.0.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate out 6.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate out 6.0.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate out 6.0.0
[INFO] finished tweaking crates.io crate out 6.0.0
[INFO] tweaked toml for crates.io crate out 6.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a771e4335bad7b237c03b9202cbf4d9c8d42a78ffd8ed9bb0ab121cdba75c64a
[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" "a771e4335bad7b237c03b9202cbf4d9c8d42a78ffd8ed9bb0ab121cdba75c64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a771e4335bad7b237c03b9202cbf4d9c8d42a78ffd8ed9bb0ab121cdba75c64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a771e4335bad7b237c03b9202cbf4d9c8d42a78ffd8ed9bb0ab121cdba75c64a", kill_on_drop: false }`
[INFO] [stdout] a771e4335bad7b237c03b9202cbf4d9c8d42a78ffd8ed9bb0ab121cdba75c64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297bbab4efc5dd7404a847fbe2604783513a7b04c466ca2aac868e6e822a28e1
[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" "297bbab4efc5dd7404a847fbe2604783513a7b04c466ca2aac868e6e822a28e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling out v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "297bbab4efc5dd7404a847fbe2604783513a7b04c466ca2aac868e6e822a28e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297bbab4efc5dd7404a847fbe2604783513a7b04c466ca2aac868e6e822a28e1", kill_on_drop: false }`
[INFO] [stdout] 297bbab4efc5dd7404a847fbe2604783513a7b04c466ca2aac868e6e822a28e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3aa3221361d9d50262daf6fc8ea55407125a8b5d922912a1efdb1dc0cf13529
[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" "f3aa3221361d9d50262daf6fc8ea55407125a8b5d922912a1efdb1dc0cf13529", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling out v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.58s
[INFO] running `Command { std: "docker" "inspect" "f3aa3221361d9d50262daf6fc8ea55407125a8b5d922912a1efdb1dc0cf13529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3aa3221361d9d50262daf6fc8ea55407125a8b5d922912a1efdb1dc0cf13529", kill_on_drop: false }`
[INFO] [stdout] f3aa3221361d9d50262daf6fc8ea55407125a8b5d922912a1efdb1dc0cf13529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26fe4045ed95d01e2cd6567455d33f6a469abbe2e1319ab119f5562525f449f5
[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" "26fe4045ed95d01e2cd6567455d33f6a469abbe2e1319ab119f5562525f449f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/out-baba3d31ad715950
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sort-d1b84951470d2550
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test iter::sort ... ok
[INFO] [stdout] test slice::sort_unstable ... ok
[INFO] [stdout] test iter::sort_unstable ... ok
[INFO] [stdout] test slice::sort_by_cached_key ... ok
[INFO] [stdout] test slice::sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests out
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - iter::max (line 499) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable_by_key (line 732) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable (line 634) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_by (line 531) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_by_key (line 613) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_by_key (line 593) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable_by (line 668) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_unstable_by_key (line 753) ... ok
[INFO] [stdout] test src/lib.rs - iter::min (line 515) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_unstable_by (line 711) ... ok
[INFO] [stdout] test src/lib.rs - iter (line 482) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_unstable (line 651) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_by (line 573) ... ok
[INFO] [stdout] test src/lib.rs - slice (line 54) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable_by (line 404) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable_by_key (line 426) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_by_key (line 175) ... ok
[INFO] [stdout] test src/lib.rs - slice::max (line 71) ... ok
[INFO] [stdout] test src/lib.rs - slice::min (line 89) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable_by (line 350) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable (line 332) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_by_key (line 193) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_by (line 107) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable (line 314) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_by (line 157) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable_by_key (line 448) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_by_cached_key (line 214) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_by_cached_key (line 265) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26fe4045ed95d01e2cd6567455d33f6a469abbe2e1319ab119f5562525f449f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fe4045ed95d01e2cd6567455d33f6a469abbe2e1319ab119f5562525f449f5", kill_on_drop: false }`
[INFO] [stdout] 26fe4045ed95d01e2cd6567455d33f6a469abbe2e1319ab119f5562525f449f5