[INFO] fetching crate mt-dom 0.59.1...
[INFO] checking mt-dom-0.59.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mt-dom 0.59.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mt-dom 0.59.1 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 mt-dom 0.59.1
[INFO] finished tweaking crates.io crate mt-dom 0.59.1
[INFO] tweaked toml for crates.io crate mt-dom 0.59.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mt-dom 0.59.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 62f2e64512758543d18d3e0ed0678aaa2c2cc00b68e54149500be0b5d3ce68cf
[INFO] running `Command { std: "docker" "start" "-a" "62f2e64512758543d18d3e0ed0678aaa2c2cc00b68e54149500be0b5d3ce68cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f2e64512758543d18d3e0ed0678aaa2c2cc00b68e54149500be0b5d3ce68cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f2e64512758543d18d3e0ed0678aaa2c2cc00b68e54149500be0b5d3ce68cf", kill_on_drop: false }`
[INFO] [stdout] 62f2e64512758543d18d3e0ed0678aaa2c2cc00b68e54149500be0b5d3ce68cf
[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] 32607092468dfbdfc147d3147b12d1d06020948d83c356803c791ac7ba79c0f2
[INFO] running `Command { std: "docker" "start" "-a" "32607092468dfbdfc147d3147b12d1d06020948d83c356803c791ac7ba79c0f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking longest-increasing-subsequence v0.1.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mt-dom v0.59.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/diff.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/diff_lis.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/node.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/node/attribute.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/node/element.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/patch.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/patch/tree_path.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mt-dom` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "32607092468dfbdfc147d3147b12d1d06020948d83c356803c791ac7ba79c0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32607092468dfbdfc147d3147b12d1d06020948d83c356803c791ac7ba79c0f2", kill_on_drop: false }`
[INFO] [stdout] 32607092468dfbdfc147d3147b12d1d06020948d83c356803c791ac7ba79c0f2
