[INFO] fetching crate argc 1.2.0...
[INFO] checking argc-1.2.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate argc 1.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate argc 1.2.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argc 1.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate argc 1.2.0
[INFO] tweaked toml for crates.io crate argc 1.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate argc 1.2.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daa550bb7f7135101e4807c33fc46b9c1c89104c061809dd5b3413c4957f423d
[INFO] running `Command { std: "docker" "start" "-a" "daa550bb7f7135101e4807c33fc46b9c1c89104c061809dd5b3413c4957f423d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa550bb7f7135101e4807c33fc46b9c1c89104c061809dd5b3413c4957f423d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa550bb7f7135101e4807c33fc46b9c1c89104c061809dd5b3413c4957f423d", kill_on_drop: false }`
[INFO] [stdout] daa550bb7f7135101e4807c33fc46b9c1c89104c061809dd5b3413c4957f423d
[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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d3a96b97b7727158ffcd645b68c8173d3be0a01f90ab309ff29ffd5878bc933
[INFO] running `Command { std: "docker" "start" "-a" "2d3a96b97b7727158ffcd645b68c8173d3be0a01f90ab309ff29ffd5878bc933", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling rstest_macros v0.14.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking ctrlc v3.3.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.15.6
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking insta v1.29.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rstest v0.15.0
[INFO] [stderr]     Checking argc v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/command/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     let mut subcmd = root_cmd.create_cmd();
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/command/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     let mut subcmd = root_cmd.create_cmd();
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `Command { std: "docker" "inspect" "2d3a96b97b7727158ffcd645b68c8173d3be0a01f90ab309ff29ffd5878bc933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3a96b97b7727158ffcd645b68c8173d3be0a01f90ab309ff29ffd5878bc933", kill_on_drop: false }`
[INFO] [stdout] 2d3a96b97b7727158ffcd645b68c8173d3be0a01f90ab309ff29ffd5878bc933
