[INFO] fetching crate ordered_iter 0.1.2...
[INFO] checking ordered_iter-0.1.2 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate ordered_iter 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ordered_iter 0.1.2 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ordered_iter 0.1.2
[INFO] finished tweaking crates.io crate ordered_iter 0.1.2
[INFO] tweaked toml for crates.io crate ordered_iter 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfb71dcf8b7e9bf5280e5ce4f33c865115c1eb29478e08ce0be25dd52fa33d0d
[INFO] running `Command { std: "docker" "start" "-a" "cfb71dcf8b7e9bf5280e5ce4f33c865115c1eb29478e08ce0be25dd52fa33d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfb71dcf8b7e9bf5280e5ce4f33c865115c1eb29478e08ce0be25dd52fa33d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb71dcf8b7e9bf5280e5ce4f33c865115c1eb29478e08ce0be25dd52fa33d0d", kill_on_drop: false }`
[INFO] [stdout] cfb71dcf8b7e9bf5280e5ce4f33c865115c1eb29478e08ce0be25dd52fa33d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ab2c227496b51b08243afb4265033c8df5c5df9297e18a563a58458f91b596f
[INFO] running `Command { std: "docker" "start" "-a" "8ab2c227496b51b08243afb4265033c8df5c5df9297e18a563a58458f91b596f", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking ordered_iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `inner_join_map` in this scope
[INFO] [stdout]    --> src/lib.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | /     pub fn inner_join_map(b: &mut self::test::Bencher) {
[INFO] [stdout] 436 | |         use std::collections::BTreeSet;
[INFO] [stdout] 437 | |
[INFO] [stdout] 438 | |         let powers_of_two: BTreeSet<u32> = (1..1000000).map(|x| x * 2).collect();
[INFO] [stdout] ...   |
[INFO] [stdout] 447 | |         })
[INFO] [stdout] 448 | |     }
[INFO] [stdout]     | |_____^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:433:7
[INFO] [stdout]     |
[INFO] [stdout] 433 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ordered_iter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ab2c227496b51b08243afb4265033c8df5c5df9297e18a563a58458f91b596f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab2c227496b51b08243afb4265033c8df5c5df9297e18a563a58458f91b596f", kill_on_drop: false }`
[INFO] [stdout] 8ab2c227496b51b08243afb4265033c8df5c5df9297e18a563a58458f91b596f