[INFO] fetching crate out 6.0.0...
[INFO] testing out-6.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate out 6.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate out 6.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c52bd214f3070236dbf2d051ddfa772863ad55bcdb4bfea9f3574c8ccfbbe5ed
[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" "c52bd214f3070236dbf2d051ddfa772863ad55bcdb4bfea9f3574c8ccfbbe5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c52bd214f3070236dbf2d051ddfa772863ad55bcdb4bfea9f3574c8ccfbbe5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52bd214f3070236dbf2d051ddfa772863ad55bcdb4bfea9f3574c8ccfbbe5ed", kill_on_drop: false }`
[INFO] [stdout] c52bd214f3070236dbf2d051ddfa772863ad55bcdb4bfea9f3574c8ccfbbe5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c69c968c832cca32a7a3f39d8dfe9dfa442b657c5aba49d0d33921697b94c7b3
[INFO] running `Command { std: "docker" "start" "-a" "c69c968c832cca32a7a3f39d8dfe9dfa442b657c5aba49d0d33921697b94c7b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling out v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c69c968c832cca32a7a3f39d8dfe9dfa442b657c5aba49d0d33921697b94c7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69c968c832cca32a7a3f39d8dfe9dfa442b657c5aba49d0d33921697b94c7b3", kill_on_drop: false }`
[INFO] [stdout] c69c968c832cca32a7a3f39d8dfe9dfa442b657c5aba49d0d33921697b94c7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff49f7f9090d0804d872b9cc5f3c24a8d833f470eefa2616d5b96cbf4387b7a
[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" "cff49f7f9090d0804d872b9cc5f3c24a8d833f470eefa2616d5b96cbf4387b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[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 38.14s
[INFO] running `Command { std: "docker" "inspect" "cff49f7f9090d0804d872b9cc5f3c24a8d833f470eefa2616d5b96cbf4387b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff49f7f9090d0804d872b9cc5f3c24a8d833f470eefa2616d5b96cbf4387b7a", kill_on_drop: false }`
[INFO] [stdout] cff49f7f9090d0804d872b9cc5f3c24a8d833f470eefa2616d5b96cbf4387b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23d718e3907522fbbade6283ef150375915d5094b37d2daf8f564fc045173114
[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" "23d718e3907522fbbade6283ef150375915d5094b37d2daf8f564fc045173114", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/out-fd685ee28cc949ba)
[INFO] [stderr]      Running tests/sort.rs (/opt/rustwide/target/debug/deps/sort-8622f4f64664f607)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test slice::sort_unstable ... ok
[INFO] [stdout] test iter::sort_unstable ... ok
[INFO] [stdout] test iter::sort ... ok
[INFO] [stdout] test slice::sort ... ok
[INFO] [stderr]    Doc-tests out
[INFO] [stdout] test slice::sort_by_cached_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - iter::min_unstable (line 651) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_by (line 531) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_by (line 573) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_unstable_by_key (line 753) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_by_key (line 593) ... ok
[INFO] [stdout] test src/lib.rs - iter::max (line 499) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable (line 634) ... ok
[INFO] [stdout] test src/lib.rs - iter (line 482) ... ok
[INFO] [stdout] test src/lib.rs - slice (line 54) ... ok
[INFO] [stdout] test src/lib.rs - iter::min (line 515) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_by_key (line 613) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable_by (line 668) ... ok
[INFO] [stdout] test src/lib.rs - slice::max (line 71) ... ok
[INFO] [stdout] test src/lib.rs - iter::max_unstable_by_key (line 732) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - iter::min_unstable_by (line 711) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_by_key (line 175) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable_by_key (line 426) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable (line 332) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable_by_key (line 448) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_by (line 107) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable_by (line 350) ... ok
[INFO] [stdout] test src/lib.rs - slice::max_unstable (line 314) ... ok
[INFO] [stdout] test src/lib.rs - slice::min (line 89) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_by_key (line 193) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_unstable_by (line 404) ... ok
[INFO] [stdout] test src/lib.rs - slice::min_by (line 157) ... 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; finished in 13.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23d718e3907522fbbade6283ef150375915d5094b37d2daf8f564fc045173114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d718e3907522fbbade6283ef150375915d5094b37d2daf8f564fc045173114", kill_on_drop: false }`
[INFO] [stdout] 23d718e3907522fbbade6283ef150375915d5094b37d2daf8f564fc045173114