[INFO] cloning repository https://github.com/ghzlatarev/rust_hash_map
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghzlatarev/rust_hash_map" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghzlatarev%2Frust_hash_map", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghzlatarev%2Frust_hash_map'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66294a4c68452451cc38aacb73d5f3937b2b2699
[INFO] testing ghzlatarev/rust_hash_map against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghzlatarev%2Frust_hash_map" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghzlatarev/rust_hash_map on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ghzlatarev/rust_hash_map
[INFO] finished tweaking git repo https://github.com/ghzlatarev/rust_hash_map
[INFO] tweaked toml for git repo https://github.com/ghzlatarev/rust_hash_map written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/ghzlatarev/rust_hash_map already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a31becfda07135207c78d320fa506ceb8b4a7cf2beea5c26d3400c37153fc15
[INFO] running `Command { std: "docker" "start" "-a" "0a31becfda07135207c78d320fa506ceb8b4a7cf2beea5c26d3400c37153fc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a31becfda07135207c78d320fa506ceb8b4a7cf2beea5c26d3400c37153fc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a31becfda07135207c78d320fa506ceb8b4a7cf2beea5c26d3400c37153fc15", kill_on_drop: false }`
[INFO] [stdout] 0a31becfda07135207c78d320fa506ceb8b4a7cf2beea5c26d3400c37153fc15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a36c51d55eb2d99a4fc192ec22c59ca5da683d999b717b253fe9666f6af664b
[INFO] running `Command { std: "docker" "start" "-a" "7a36c51d55eb2d99a4fc192ec22c59ca5da683d999b717b253fe9666f6af664b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling my_linked_hash_map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a36c51d55eb2d99a4fc192ec22c59ca5da683d999b717b253fe9666f6af664b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a36c51d55eb2d99a4fc192ec22c59ca5da683d999b717b253fe9666f6af664b", kill_on_drop: false }`
[INFO] [stdout] 7a36c51d55eb2d99a4fc192ec22c59ca5da683d999b717b253fe9666f6af664b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cea72c6638c18bf030d6b647a64e0071ff62a5e7331bb4e7b75184438e2e79e
[INFO] running `Command { std: "docker" "start" "-a" "4cea72c6638c18bf030d6b647a64e0071ff62a5e7331bb4e7b75184438e2e79e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling my_linked_hash_map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "4cea72c6638c18bf030d6b647a64e0071ff62a5e7331bb4e7b75184438e2e79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cea72c6638c18bf030d6b647a64e0071ff62a5e7331bb4e7b75184438e2e79e", kill_on_drop: false }`
[INFO] [stdout] 4cea72c6638c18bf030d6b647a64e0071ff62a5e7331bb4e7b75184438e2e79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ba6bd750ed5d126f387f903ddc0e613ff3c10e5c165b64d2ef5bc306eb4a7fc
[INFO] running `Command { std: "docker" "start" "-a" "1ba6bd750ed5d126f387f903ddc0e613ff3c10e5c165b64d2ef5bc306eb4a7fc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/lib.rs:127:9
[INFO] [stdout] test tests::insert ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::iter ... ok
[INFO] [stderr] 127 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout] 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `my_linked_hash_map` (lib) generated 1 warning
[INFO] [stderr] warning: `my_linked_hash_map` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_linked_hash_map-d7df58e521c7b8a9)
[INFO] [stderr]    Doc-tests my_linked_hash_map
[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] running `Command { std: "docker" "inspect" "1ba6bd750ed5d126f387f903ddc0e613ff3c10e5c165b64d2ef5bc306eb4a7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba6bd750ed5d126f387f903ddc0e613ff3c10e5c165b64d2ef5bc306eb4a7fc", kill_on_drop: false }`
[INFO] [stdout] 1ba6bd750ed5d126f387f903ddc0e613ff3c10e5c165b64d2ef5bc306eb4a7fc