[INFO] fetching crate iter-extra 0.2.2...
[INFO] testing iter-extra-0.2.2 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate iter-extra 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate iter-extra 0.2.2
[INFO] finished tweaking crates.io crate iter-extra 0.2.2
[INFO] tweaked toml for crates.io crate iter-extra 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter-extra 0.2.2 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iter-extra 0.2.2 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76db7e3b32aeb25adec695c79fad0c8f167d985cf72d2a69f52ef13f0012c44
[INFO] running `Command { std: "docker" "start" "-a" "e76db7e3b32aeb25adec695c79fad0c8f167d985cf72d2a69f52ef13f0012c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76db7e3b32aeb25adec695c79fad0c8f167d985cf72d2a69f52ef13f0012c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76db7e3b32aeb25adec695c79fad0c8f167d985cf72d2a69f52ef13f0012c44", kill_on_drop: false }`
[INFO] [stdout] e76db7e3b32aeb25adec695c79fad0c8f167d985cf72d2a69f52ef13f0012c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e71c937cf16c0590d72a699d0a08d5b588bdde20c3ff387df321d80da31618
[INFO] running `Command { std: "docker" "start" "-a" "15e71c937cf16c0590d72a699d0a08d5b588bdde20c3ff387df321d80da31618", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-extra v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "15e71c937cf16c0590d72a699d0a08d5b588bdde20c3ff387df321d80da31618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e71c937cf16c0590d72a699d0a08d5b588bdde20c3ff387df321d80da31618", kill_on_drop: false }`
[INFO] [stdout] 15e71c937cf16c0590d72a699d0a08d5b588bdde20c3ff387df321d80da31618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a254bbaa08546a5257cc72fae22d0200cfb8e7c8fab90477db4df76b7f98b63b
[INFO] running `Command { std: "docker" "start" "-a" "a254bbaa08546a5257cc72fae22d0200cfb8e7c8fab90477db4df76b7f98b63b", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-extra v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "a254bbaa08546a5257cc72fae22d0200cfb8e7c8fab90477db4df76b7f98b63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a254bbaa08546a5257cc72fae22d0200cfb8e7c8fab90477db4df76b7f98b63b", kill_on_drop: false }`
[INFO] [stdout] a254bbaa08546a5257cc72fae22d0200cfb8e7c8fab90477db4df76b7f98b63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d104e2da3915564799afe6892fc46004272621b858cc85ac951ecc3baa6ba5ff
[INFO] running `Command { std: "docker" "start" "-a" "d104e2da3915564799afe6892fc46004272621b858cc85ac951ecc3baa6ba5ff", 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/iter_extra-142f93223843017e)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::deltas ... ok
[INFO] [stdout] test tests::deltas_by_key_basic ... ok
[INFO] [stdout] test tests::deltas_all_same ... ok
[INFO] [stdout] test tests::deltas_by_basic ... ok
[INFO] [stdout] test tests::deltas_by_custom_ordering ... ok
[INFO] [stdout] test tests::deltas_by_key_empty ... ok
[INFO] [stdout] test tests::deltas_by_key_single ... ok
[INFO] [stdout] test tests::deltas_by_key_strings ... ok
[INFO] [stdout] test tests::deltas_by_key_tuples ... ok
[INFO] [stdout] test tests::deltas_by_single ... ok
[INFO] [stdout] test tests::deltas_empty ... ok
[INFO] [stdout] test tests::deltas_single ... ok
[INFO] [stdout] test tests::deltas_twice_over_same_collection ... ok
[INFO] [stdout] test tests::max_by_partial_key_single_element ... ok
[INFO] [stdout] test tests::deltas_all_unique ... ok
[INFO] [stdout] test tests::max_by_partial_key_with_key_function ... ok
[INFO] [stdout] test tests::max_by_partial_key_with_nan ... ok
[INFO] [stdout] test tests::min_by_partial_key_empty ... ok
[INFO] [stdout] test tests::min_by_partial_key_negative_numbers ... ok
[INFO] [stdout] test tests::min_by_partial_key_single_element ... ok
[INFO] [stdout] test tests::min_by_partial_key_with_key_function ... ok
[INFO] [stdout] test tests::min_by_partial_key_with_nan ... ok
[INFO] [stdout] test tests::min_max_with_complex_key_function ... ok
[INFO] [stdout] test tests::deltas_by_empty ... ok
[INFO] [stdout] test tests::max_by_partial_key_basic ... ok
[INFO] [stdout] test tests::max_by_partial_key_empty ... ok
[INFO] [stdout] test tests::max_by_partial_key_negative_numbers ... ok
[INFO] [stdout] test tests::max_by_partial_key_all_nan ... ok
[INFO] [stdout] test tests::min_max_with_equal_elements ... ok
[INFO] [stdout] test tests::min_max_with_infinity ... ok
[INFO] [stdout] test tests::min_max_with_option_flatten ... ok
[INFO] [stdout] test tests::min_max_with_string_length ... ok
[INFO] [stdout] test tests::min_by_partial_key_all_nan ... ok
[INFO] [stdout] test tests::min_by_partial_key_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_extra
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/prelude.rs - prelude::IterExtra::deltas_by_key (line 295) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::IterExtra::deltas_by (line 262) ... FAILED
[INFO] [stdout] test src/prelude.rs - prelude::IterExtra::max_by_partial_key (line 162) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::IterExtra::min_by_partial_key (line 119) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::IterExtra::deltas (line 231) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/prelude.rs - prelude::IterExtra::deltas_by (line 262) stdout ----
[INFO] [stdout] error[E0599]: no method named `floor` found for reference `&{float}` in the current scope
[INFO] [stdout]    --> src/prelude.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     .deltas_by(|a, b| a.floor().total_cmp(&b.floor()))
[INFO] [stdout]     |                         ^^^^^ method not found in `&{float}`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `floor` found for reference `&{float}` in the current scope
[INFO] [stdout]    --> src/prelude.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |     .deltas_by(|a, b| a.floor().total_cmp(&b.floor()))
[INFO] [stdout]     |                                              ^^^^^ method not found in `&{float}`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/prelude.rs - prelude::IterExtra::deltas_by (line 262)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.77s; merged doctests compilation took 0.22s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d104e2da3915564799afe6892fc46004272621b858cc85ac951ecc3baa6ba5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d104e2da3915564799afe6892fc46004272621b858cc85ac951ecc3baa6ba5ff", kill_on_drop: false }`
[INFO] [stdout] d104e2da3915564799afe6892fc46004272621b858cc85ac951ecc3baa6ba5ff
