[INFO] fetching crate kahan_pairs 1.0.1...
[INFO] testing kahan_pairs-1.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate kahan_pairs 1.0.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kahan_pairs 1.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c14e29545c808df75e401899b2d77577c4dbd4cf7dbef8f3c9f8ff8be5b9d119
[INFO] running `Command { std: "docker" "start" "-a" "c14e29545c808df75e401899b2d77577c4dbd4cf7dbef8f3c9f8ff8be5b9d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c14e29545c808df75e401899b2d77577c4dbd4cf7dbef8f3c9f8ff8be5b9d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14e29545c808df75e401899b2d77577c4dbd4cf7dbef8f3c9f8ff8be5b9d119", kill_on_drop: false }`
[INFO] [stdout] c14e29545c808df75e401899b2d77577c4dbd4cf7dbef8f3c9f8ff8be5b9d119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 244f18ec87509dc48a4d9dafe5822757e9d86bf81b46dc026e824334f5c10661
[INFO] running `Command { std: "docker" "start" "-a" "244f18ec87509dc48a4d9dafe5822757e9d86bf81b46dc026e824334f5c10661", 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 0.20s
[INFO] running `Command { std: "docker" "inspect" "244f18ec87509dc48a4d9dafe5822757e9d86bf81b46dc026e824334f5c10661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244f18ec87509dc48a4d9dafe5822757e9d86bf81b46dc026e824334f5c10661", kill_on_drop: false }`
[INFO] [stdout] 244f18ec87509dc48a4d9dafe5822757e9d86bf81b46dc026e824334f5c10661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad84b5bf315cf96300996c47ad4912e6434e43356d5c8909768a33379ec7a68
[INFO] running `Command { std: "docker" "start" "-a" "4ad84b5bf315cf96300996c47ad4912e6434e43356d5c8909768a33379ec7a68", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "4ad84b5bf315cf96300996c47ad4912e6434e43356d5c8909768a33379ec7a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad84b5bf315cf96300996c47ad4912e6434e43356d5c8909768a33379ec7a68", kill_on_drop: false }`
[INFO] [stdout] 4ad84b5bf315cf96300996c47ad4912e6434e43356d5c8909768a33379ec7a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9eb94a66b1ff98409b466972e73b903699e7e30480e2de2e7e29cec6a18af3e5
[INFO] running `Command { std: "docker" "start" "-a" "9eb94a66b1ff98409b466972e73b903699e7e30480e2de2e7e29cec6a18af3e5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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 - get_nth_pair_0 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 119) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... 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 - nth_pair_0 (line 191) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 127) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair_0 (line 207) ... ok
[INFO] [stdout] test src/lib.rs - pairs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair (line 143) ... ok
[INFO] [stdout] test src/lib.rs - pairs_0 (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eb94a66b1ff98409b466972e73b903699e7e30480e2de2e7e29cec6a18af3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb94a66b1ff98409b466972e73b903699e7e30480e2de2e7e29cec6a18af3e5", kill_on_drop: false }`
[INFO] [stdout] 9eb94a66b1ff98409b466972e73b903699e7e30480e2de2e7e29cec6a18af3e5