[INFO] fetching crate partial_sort 0.1.2...
[INFO] testing partial_sort-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate partial_sort 0.1.2 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate partial_sort 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate partial_sort 0.1.2
[INFO] finished tweaking crates.io crate partial_sort 0.1.2
[INFO] tweaked toml for crates.io crate partial_sort 0.1.2 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate partial_sort 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10bfb7cdd7890ac41d151bb5ab624df84ab3c2b4a95970d9f43028b727b76be8
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[INFO] running `Command { std: "docker" "inspect" "10bfb7cdd7890ac41d151bb5ab624df84ab3c2b4a95970d9f43028b727b76be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bfb7cdd7890ac41d151bb5ab624df84ab3c2b4a95970d9f43028b727b76be8", kill_on_drop: false }`
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[INFO] [stdout] b6d09619815fd62b2aa7f75e213cf27bac51b349206b53f7c973e068a367c828
[INFO] running `Command { std: "docker" "start" "-a" "b6d09619815fd62b2aa7f75e213cf27bac51b349206b53f7c973e068a367c828", kill_on_drop: false }`
[INFO] [stderr]    Compiling partial_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b6d09619815fd62b2aa7f75e213cf27bac51b349206b53f7c973e068a367c828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d09619815fd62b2aa7f75e213cf27bac51b349206b53f7c973e068a367c828", kill_on_drop: false }`
[INFO] [stdout] b6d09619815fd62b2aa7f75e213cf27bac51b349206b53f7c973e068a367c828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf1fc173f7b702ca58ee9d53f28164989fc5f8c23cddb7ad75f648cce816eb3
[INFO] running `Command { std: "docker" "start" "-a" "6cf1fc173f7b702ca58ee9d53f28164989fc5f8c23cddb7ad75f648cce816eb3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling partial_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 | /         &d[0..last].iter().zip(&before[0..last]).map(|(a, b)| {
[INFO] [stdout] 258 | |             assert_eq!(a.0, b.0);
[INFO] [stdout] 259 | |             assert_eq!(a.1.size(), b.1.size());
[INFO] [stdout] 260 | |         });
[INFO] [stdout]     | |__________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let _ = &d[0..last].iter().zip(&before[0..last]).map(|(a, b)| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "6cf1fc173f7b702ca58ee9d53f28164989fc5f8c23cddb7ad75f648cce816eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf1fc173f7b702ca58ee9d53f28164989fc5f8c23cddb7ad75f648cce816eb3", kill_on_drop: false }`
[INFO] [stdout] 6cf1fc173f7b702ca58ee9d53f28164989fc5f8c23cddb7ad75f648cce816eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25e4c0d20b54a8b5a65a8cb2f6a9a6652142d84f0a84bf6b352ce1975141a9fc
[INFO] running `Command { std: "docker" "start" "-a" "25e4c0d20b54a8b5a65a8cb2f6a9a6652142d84f0a84bf6b352ce1975141a9fc", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:257:9
[INFO] [stderr]     |
[INFO] [stderr] 257 | /         &d[0..last].iter().zip(&before[0..last]).map(|(a, b)| {
[INFO] [stderr] 258 | |             assert_eq!(a.0, b.0);
[INFO] [stderr] 259 | |             assert_eq!(a.1.size(), b.1.size());
[INFO] [stderr] 260 | |         });
[INFO] [stderr]     | |__________^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let _ = &d[0..last].iter().zip(&before[0..last]).map(|(a, b)| {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `partial_sort` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/partial_sort-638b543540b629c6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::single_test ... ok
[INFO] [stdout] test tests::sorted_ref_test ... ok
[INFO] [stdout] test tests::sorted_strings_test ... ok
[INFO] [stdout] test tests::empty_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests partial_sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25e4c0d20b54a8b5a65a8cb2f6a9a6652142d84f0a84bf6b352ce1975141a9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e4c0d20b54a8b5a65a8cb2f6a9a6652142d84f0a84bf6b352ce1975141a9fc", kill_on_drop: false }`
[INFO] [stdout] 25e4c0d20b54a8b5a65a8cb2f6a9a6652142d84f0a84bf6b352ce1975141a9fc