[INFO] fetching crate red_union_find 0.3.0...
[INFO] checking red_union_find-0.3.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate red_union_find 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate red_union_find 0.3.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate red_union_find 0.3.0
[INFO] finished tweaking crates.io crate red_union_find 0.3.0
[INFO] tweaked toml for crates.io crate red_union_find 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.13)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8fb36177940fc8a611ed710b3e31b8b06e8cb270e4de8940586cfb7ecc257a1
[INFO] running `Command { std: "docker" "start" "-a" "f8fb36177940fc8a611ed710b3e31b8b06e8cb270e4de8940586cfb7ecc257a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8fb36177940fc8a611ed710b3e31b8b06e8cb270e4de8940586cfb7ecc257a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fb36177940fc8a611ed710b3e31b8b06e8cb270e4de8940586cfb7ecc257a1", kill_on_drop: false }`
[INFO] [stdout] f8fb36177940fc8a611ed710b3e31b8b06e8cb270e4de8940586cfb7ecc257a1
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e482d057c4edcdc384ea6fb895a01d0d0397affae0fab34fa95a4d812fd368e
[INFO] running `Command { std: "docker" "start" "-a" "7e482d057c4edcdc384ea6fb895a01d0d0397affae0fab34fa95a4d812fd368e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking red_union_find v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0432]: unresolved import `num_integer`
[INFO] [stdout]    --> src/lib.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         use num_integer::Integer;
[INFO] [stdout]     |             ^^^^^^^^^^^ use of undeclared crate or module `num_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gcd` found for type `u16` in the current scope
[INFO] [stdout]    --> src/lib.rs:518:22
[INFO] [stdout]     |
[INFO] [stdout] 518 |         assert_eq!(a.gcd(&b), 1, "a and b are not relatively prime");
[INFO] [stdout]     |                      ^^^ method not found in `u16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `red_union_find` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e482d057c4edcdc384ea6fb895a01d0d0397affae0fab34fa95a4d812fd368e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e482d057c4edcdc384ea6fb895a01d0d0397affae0fab34fa95a4d812fd368e", kill_on_drop: false }`
[INFO] [stdout] 7e482d057c4edcdc384ea6fb895a01d0d0397affae0fab34fa95a4d812fd368e
[INFO] checking red_union_find-0.3.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate red_union_find 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate red_union_find 0.3.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate red_union_find 0.3.0
[INFO] finished tweaking crates.io crate red_union_find 0.3.0
[INFO] tweaked toml for crates.io crate red_union_find 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b40d2f44b2478b715d48c9944524cec18c1f46a319c49ea6c0931753aa6d6f
[INFO] running `Command { std: "docker" "start" "-a" "b1b40d2f44b2478b715d48c9944524cec18c1f46a319c49ea6c0931753aa6d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b40d2f44b2478b715d48c9944524cec18c1f46a319c49ea6c0931753aa6d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b40d2f44b2478b715d48c9944524cec18c1f46a319c49ea6c0931753aa6d6f", kill_on_drop: false }`
[INFO] [stdout] b1b40d2f44b2478b715d48c9944524cec18c1f46a319c49ea6c0931753aa6d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f7b4c9ed788806c9c1205e7d9a367e3690f2614ef56a0d37d0e8a28ee2f0fa
[INFO] running `Command { std: "docker" "start" "-a" "05f7b4c9ed788806c9c1205e7d9a367e3690f2614ef56a0d37d0e8a28ee2f0fa", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "05f7b4c9ed788806c9c1205e7d9a367e3690f2614ef56a0d37d0e8a28ee2f0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f7b4c9ed788806c9c1205e7d9a367e3690f2614ef56a0d37d0e8a28ee2f0fa", kill_on_drop: false }`
[INFO] [stdout] 05f7b4c9ed788806c9c1205e7d9a367e3690f2614ef56a0d37d0e8a28ee2f0fa