[INFO] fetching crate mit-lint 3.2.7...
[INFO] checking mit-lint-3.2.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mit-commit v3.1.8
[INFO] [stderr]   Downloaded indoc v2.0.5
[INFO] [stderr]   Downloaded supports-unicode v2.1.0
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[INFO] [stderr]   Downloaded is_ci v1.2.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8cff11cc20a49d3459b3023aea20f06a7d15d1997bb4919d911a40e07679c04
[INFO] running `Command { std: "docker" "start" "-a" "a8cff11cc20a49d3459b3023aea20f06a7d15d1997bb4919d911a40e07679c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8cff11cc20a49d3459b3023aea20f06a7d15d1997bb4919d911a40e07679c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cff11cc20a49d3459b3023aea20f06a7d15d1997bb4919d911a40e07679c04", kill_on_drop: false }`
[INFO] [stdout] a8cff11cc20a49d3459b3023aea20f06a7d15d1997bb4919d911a40e07679c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b05e6a448ec1255f82b8570778209d8fe6f2bdbe3b3ecea36dda1a03ea17b18d
[INFO] running `Command { std: "docker" "start" "-a" "b05e6a448ec1255f82b8570778209d8fe6f2bdbe3b3ecea36dda1a03ea17b18d", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking futures-channel v0.3.30
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[INFO] [stderr]     Checking textwrap v0.15.2
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[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking mit-commit v3.1.8
[INFO] [stderr]     Checking mit-lint v3.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]   --> src/checks/body_wider_than_72_characters.rs:1:21
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::{ops::Add, option::Option::None};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `None` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_github_id.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_jira_issue_key.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_pivotal_tracker_id.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/not_conventional_commit.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_line_ends_with_period.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_longer_than_72_characters.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_not_capitalized.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_not_separate_from_body.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]   --> src/checks/body_wider_than_72_characters.rs:1:21
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::{ops::Add, option::Option::None};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `None` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_github_id.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]   --> src/checks/missing_github_id.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use std::option::Option::None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     use super::*;
[INFO] [stdout]    |         -------- the item `None` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/checks/missing_github_id.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use super::*;
[INFO] [stdout]    |         -------- the item `Code` is already imported here
[INFO] [stdout] 65 |     use crate::model::{Code, Problem};
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Problem` is imported redundantly
[INFO] [stdout]   --> src/checks/missing_github_id.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use super::*;
[INFO] [stdout]    |         -------- the item `Problem` is already imported here
[INFO] [stdout] 65 |     use crate::model::{Code, Problem};
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_jira_issue_key.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_pivotal_tracker_id.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Add, option::Option::None};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_pivotal_tracker_id_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/not_conventional_commit.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/checks/not_conventional_commit.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use super::*;
[INFO] [stdout]    |         -------- the item `Code` is already imported here
[INFO] [stdout] 61 |     use crate::model::Code;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]    --> src/checks/not_conventional_commit.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 60  |     use super::*;
[INFO] [stdout]     |         -------- the item `None` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 207 |     use std::option::Option::None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/not_conventional_commit_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/not_emoji_log_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_line_ends_with_period.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_line_ends_with_period_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_longer_than_72_characters.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/checks/subject_longer_than_72_characters.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::*;
[INFO] [stdout]    |         -------- the item `Code` is already imported here
[INFO] [stdout] 58 |     use crate::model::{Code, Problem};
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Problem` is imported redundantly
[INFO] [stdout]   --> src/checks/subject_longer_than_72_characters.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::*;
[INFO] [stdout]    |         -------- the item `Problem` is already imported here
[INFO] [stdout] 58 |     use crate::model::{Code, Problem};
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]    --> src/checks/subject_longer_than_72_characters.rs:411:9
[INFO] [stdout]     |
[INFO] [stdout] 57  |     use super::*;
[INFO] [stdout]     |         -------- the item `None` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 411 |     use std::option::Option::None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_longer_than_72_characters_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_not_capitalized.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_not_separate_from_body.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/subject_not_separate_from_body_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/body_wider_than_72_characters_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/duplicate_trailers_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_github_id_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/checks/missing_jira_issue_key_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/model/problem_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option::None;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "b05e6a448ec1255f82b8570778209d8fe6f2bdbe3b3ecea36dda1a03ea17b18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05e6a448ec1255f82b8570778209d8fe6f2bdbe3b3ecea36dda1a03ea17b18d", kill_on_drop: false }`
[INFO] [stdout] b05e6a448ec1255f82b8570778209d8fe6f2bdbe3b3ecea36dda1a03ea17b18d
[INFO] checking mit-lint-3.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mit-lint-3.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mit-lint-3.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mit-lint-3.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mit-lint-3.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mit-lint 3.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mit-lint 3.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mit-lint 3.2.7
[INFO] finished tweaking crates.io crate mit-lint 3.2.7
[INFO] tweaked toml for crates.io crate mit-lint 3.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.