[INFO] fetching crate librank 0.1.0...
[INFO] testing librank-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate librank 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate librank 0.1.0
[INFO] finished tweaking crates.io crate librank 0.1.0
[INFO] tweaked toml for crates.io crate librank 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate librank 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate librank 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c94bc5106acb8bd92c1ff5c0e0d4be53d9b01cc9d38c9fae83755c0da89349a0
[INFO] running `Command { std: "docker" "start" "-a" "c94bc5106acb8bd92c1ff5c0e0d4be53d9b01cc9d38c9fae83755c0da89349a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c94bc5106acb8bd92c1ff5c0e0d4be53d9b01cc9d38c9fae83755c0da89349a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94bc5106acb8bd92c1ff5c0e0d4be53d9b01cc9d38c9fae83755c0da89349a0", kill_on_drop: false }`
[INFO] [stdout] c94bc5106acb8bd92c1ff5c0e0d4be53d9b01cc9d38c9fae83755c0da89349a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b21515a72909801ad0d78e6f4946f5764fadb71054b01e4404a1f0aed3f023
[INFO] running `Command { std: "docker" "start" "-a" "c4b21515a72909801ad0d78e6f4946f5764fadb71054b01e4404a1f0aed3f023", kill_on_drop: false }`
[INFO] [stderr]    Compiling librank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c4b21515a72909801ad0d78e6f4946f5764fadb71054b01e4404a1f0aed3f023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b21515a72909801ad0d78e6f4946f5764fadb71054b01e4404a1f0aed3f023", kill_on_drop: false }`
[INFO] [stdout] c4b21515a72909801ad0d78e6f4946f5764fadb71054b01e4404a1f0aed3f023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b8ed8d43e594a234175a7e7b5f81364fa1af56c92afdc0b056fe4adc37a047
[INFO] running `Command { std: "docker" "start" "-a" "c2b8ed8d43e594a234175a7e7b5f81364fa1af56c92afdc0b056fe4adc37a047", kill_on_drop: false }`
[INFO] [stderr]    Compiling librank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c2b8ed8d43e594a234175a7e7b5f81364fa1af56c92afdc0b056fe4adc37a047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b8ed8d43e594a234175a7e7b5f81364fa1af56c92afdc0b056fe4adc37a047", kill_on_drop: false }`
[INFO] [stdout] c2b8ed8d43e594a234175a7e7b5f81364fa1af56c92afdc0b056fe4adc37a047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c46527061ee07817889369e87feb770f6ee00f39aa57dd5aaf699f4e4047fc19
[INFO] running `Command { std: "docker" "start" "-a" "c46527061ee07817889369e87feb770f6ee00f39aa57dd5aaf699f4e4047fc19", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/librank-810f0d3d44d02023)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test rank::tests::test_rank_by_empty_iterator ... ok
[INFO] [stdout] test rank::tests::test_rank_by_complex_key ... ok
[INFO] [stdout] test rank::tests::test_rank_by_pre_sorted_data ... ok
[INFO] [stdout] test rank::tests::test_rank_by_duplicate_keys ... ok
[INFO] [stdout] test rank::tests::test_rank_by_reverse_sorted_data ... ok
[INFO] [stdout] test rank::tests::test_rank_by_unique_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests librank
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/rank.rs - rank::RankedExt::rank_by (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "c46527061ee07817889369e87feb770f6ee00f39aa57dd5aaf699f4e4047fc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46527061ee07817889369e87feb770f6ee00f39aa57dd5aaf699f4e4047fc19", kill_on_drop: false }`
[INFO] [stdout] c46527061ee07817889369e87feb770f6ee00f39aa57dd5aaf699f4e4047fc19