[INFO] fetching crate marine-it-interfaces 0.9.0...
[INFO] checking marine-it-interfaces-0.9.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate marine-it-interfaces 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate marine-it-interfaces 0.9.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marine-it-interfaces 0.9.0
[INFO] finished tweaking crates.io crate marine-it-interfaces 0.9.0
[INFO] tweaked toml for crates.io crate marine-it-interfaces 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded it-to-bytes v0.1.0
[INFO] [stderr]   Downloaded it-memory-traits v0.4.0
[INFO] [stderr]   Downloaded fluence-it-types v0.4.1
[INFO] [stderr]   Downloaded it-lilo v0.6.0
[INFO] [stderr]   Downloaded safe-transmute v0.11.2
[INFO] [stderr]   Downloaded wasmer-interface-types-fl v0.27.0
[INFO] [stderr]   Downloaded variant_count v1.1.0
[INFO] [stderr]   Downloaded wast v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfa1a03619bf5c6388668a51dd1b21fc6602f440b91e4926238a4820d03b507f
[INFO] running `Command { std: "docker" "start" "-a" "dfa1a03619bf5c6388668a51dd1b21fc6602f440b91e4926238a4820d03b507f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfa1a03619bf5c6388668a51dd1b21fc6602f440b91e4926238a4820d03b507f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa1a03619bf5c6388668a51dd1b21fc6602f440b91e4926238a4820d03b507f", kill_on_drop: false }`
[INFO] [stdout] dfa1a03619bf5c6388668a51dd1b21fc6602f440b91e4926238a4820d03b507f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df151791154d69a76cfa5e270c75d81b12a8d820e734f4b83b1847fb94dcace3
[INFO] running `Command { std: "docker" "start" "-a" "df151791154d69a76cfa5e270c75d81b12a8d820e734f4b83b1847fb94dcace3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking it-to-bytes v0.1.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking it-memory-traits v0.4.0
[INFO] [stderr]     Checking wast v8.0.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking fluence-it-types v0.4.1
[INFO] [stderr]     Checking it-lilo v0.6.0
[INFO] [stderr]     Checking wasmer-interface-types-fl v0.27.0
[INFO] [stderr]     Checking marine-it-interfaces v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/mit_interfaces.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/mit_interfaces.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marine-it-interfaces` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `marine-it-interfaces` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "df151791154d69a76cfa5e270c75d81b12a8d820e734f4b83b1847fb94dcace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df151791154d69a76cfa5e270c75d81b12a8d820e734f4b83b1847fb94dcace3", kill_on_drop: false }`
[INFO] [stdout] df151791154d69a76cfa5e270c75d81b12a8d820e734f4b83b1847fb94dcace3
