[INFO] fetching crate kahan_pairs 1.0.1...
[INFO] testing kahan_pairs-1.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate kahan_pairs 1.0.1 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kahan_pairs 1.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] beefc4a4840643ed1e699aafde47e70a821e88b22165890a2c84be2f86a7268a
[INFO] running `Command { std: "docker" "start" "-a" "beefc4a4840643ed1e699aafde47e70a821e88b22165890a2c84be2f86a7268a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beefc4a4840643ed1e699aafde47e70a821e88b22165890a2c84be2f86a7268a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beefc4a4840643ed1e699aafde47e70a821e88b22165890a2c84be2f86a7268a", kill_on_drop: false }`
[INFO] [stdout] beefc4a4840643ed1e699aafde47e70a821e88b22165890a2c84be2f86a7268a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d0376a6aa2bb423d9cb4b3e2951129caec377ae9d4de1db9daa6dd0bb419e83d
[INFO] running `Command { std: "docker" "start" "-a" "d0376a6aa2bb423d9cb4b3e2951129caec377ae9d4de1db9daa6dd0bb419e83d", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "d0376a6aa2bb423d9cb4b3e2951129caec377ae9d4de1db9daa6dd0bb419e83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0376a6aa2bb423d9cb4b3e2951129caec377ae9d4de1db9daa6dd0bb419e83d", kill_on_drop: false }`
[INFO] [stdout] d0376a6aa2bb423d9cb4b3e2951129caec377ae9d4de1db9daa6dd0bb419e83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3bbd8293d19c66ac157f54e7210f644388dd25a72e7c76cdedd0476701e8142
[INFO] running `Command { std: "docker" "start" "-a" "e3bbd8293d19c66ac157f54e7210f644388dd25a72e7c76cdedd0476701e8142", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "e3bbd8293d19c66ac157f54e7210f644388dd25a72e7c76cdedd0476701e8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bbd8293d19c66ac157f54e7210f644388dd25a72e7c76cdedd0476701e8142", kill_on_drop: false }`
[INFO] [stdout] e3bbd8293d19c66ac157f54e7210f644388dd25a72e7c76cdedd0476701e8142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2fff9b39e4a0355d6b9e06374cc6e80c3dc772c03e18f0ca030a5d5a436aca8a
[INFO] running `Command { std: "docker" "start" "-a" "2fff9b39e4a0355d6b9e06374cc6e80c3dc772c03e18f0ca030a5d5a436aca8a", 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] [stderr]    Doc-tests kahan_pairs
[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 13 tests
[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 - nth_pair_0 (line 191) ... ok
[INFO] [stdout] test src/lib.rs - pairs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair_0 (line 207) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair_0 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair (line 159) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair_0 (line 183) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fff9b39e4a0355d6b9e06374cc6e80c3dc772c03e18f0ca030a5d5a436aca8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fff9b39e4a0355d6b9e06374cc6e80c3dc772c03e18f0ca030a5d5a436aca8a", kill_on_drop: false }`
[INFO] [stdout] 2fff9b39e4a0355d6b9e06374cc6e80c3dc772c03e18f0ca030a5d5a436aca8a