[INFO] fetching crate kahan_pairs 1.0.1...
[INFO] testing kahan_pairs-1.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate kahan_pairs 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate kahan_pairs 1.0.1
[INFO] finished tweaking crates.io crate kahan_pairs 1.0.1
[INFO] tweaked toml for crates.io crate kahan_pairs 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kahan_pairs 1.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b77194e9c6a672d93bb7d975bc840cd2c97e51d3dbdbced2e772979e9057a71
[INFO] running `Command { std: "docker" "start" "-a" "0b77194e9c6a672d93bb7d975bc840cd2c97e51d3dbdbced2e772979e9057a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b77194e9c6a672d93bb7d975bc840cd2c97e51d3dbdbced2e772979e9057a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b77194e9c6a672d93bb7d975bc840cd2c97e51d3dbdbced2e772979e9057a71", kill_on_drop: false }`
[INFO] [stdout] 0b77194e9c6a672d93bb7d975bc840cd2c97e51d3dbdbced2e772979e9057a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbd1263159166a0c06fea4d8af0e625ab69f58e5511d0524a8b1a98d65992e5e
[INFO] running `Command { std: "docker" "start" "-a" "bbd1263159166a0c06fea4d8af0e625ab69f58e5511d0524a8b1a98d65992e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan_pairs v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "bbd1263159166a0c06fea4d8af0e625ab69f58e5511d0524a8b1a98d65992e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd1263159166a0c06fea4d8af0e625ab69f58e5511d0524a8b1a98d65992e5e", kill_on_drop: false }`
[INFO] [stdout] bbd1263159166a0c06fea4d8af0e625ab69f58e5511d0524a8b1a98d65992e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515800051bac3ca9ed3758fa45f986e3be34d8ed7b3ca298df70f9228778f622
[INFO] running `Command { std: "docker" "start" "-a" "515800051bac3ca9ed3758fa45f986e3be34d8ed7b3ca298df70f9228778f622", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan_pairs v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "515800051bac3ca9ed3758fa45f986e3be34d8ed7b3ca298df70f9228778f622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515800051bac3ca9ed3758fa45f986e3be34d8ed7b3ca298df70f9228778f622", kill_on_drop: false }`
[INFO] [stdout] 515800051bac3ca9ed3758fa45f986e3be34d8ed7b3ca298df70f9228778f622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 898f7841cce53cbcaa91dbd7409557aa16204af64fa0543a6aa15fa27215517f
[INFO] running `Command { std: "docker" "start" "-a" "898f7841cce53cbcaa91dbd7409557aa16204af64fa0543a6aa15fa27215517f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kahan_pairs-725df389a583693e)
[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] [stderr]    Doc-tests kahan_pairs
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - try_nth_pair_0 (line 207) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair (line 143) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair_0 (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair_0 (line 183) ... ok
[INFO] [stdout] test src/lib.rs - pairs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair_0 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 119) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 127) ... ok
[INFO] [stdout] test src/lib.rs - pairs_0 (line 97) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "898f7841cce53cbcaa91dbd7409557aa16204af64fa0543a6aa15fa27215517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898f7841cce53cbcaa91dbd7409557aa16204af64fa0543a6aa15fa27215517f", kill_on_drop: false }`
[INFO] [stdout] 898f7841cce53cbcaa91dbd7409557aa16204af64fa0543a6aa15fa27215517f