[INFO] cloning repository https://github.com/SLiV9/penne
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SLiV9/penne" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLiV9%2Fpenne", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLiV9%2Fpenne'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fed745e2ea577ed593193fd29e9567fffdded498
[INFO] checking SLiV9/penne against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLiV9%2Fpenne" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SLiV9/penne on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SLiV9/penne
[INFO] finished tweaking git repo https://github.com/SLiV9/penne
[INFO] tweaked toml for git repo https://github.com/SLiV9/penne written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SLiV9/penne 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.2.0
[INFO] [stderr]   Downloaded enumset_derive v0.6.1
[INFO] [stderr]   Downloaded assert_cmd v2.0.10
[INFO] [stderr]   Downloaded include_dir v0.7.3
[INFO] [stderr]   Downloaded enumset v1.0.12
[INFO] [stderr]   Downloaded predicates v3.0.2
[INFO] [stderr]   Downloaded include_dir_macros v0.7.3
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c41b815780ab25c55847e8481b378ce4dab3f33e07c3dbec8fb45f3c8026ad4
[INFO] running `Command { std: "docker" "start" "-a" "4c41b815780ab25c55847e8481b378ce4dab3f33e07c3dbec8fb45f3c8026ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c41b815780ab25c55847e8481b378ce4dab3f33e07c3dbec8fb45f3c8026ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c41b815780ab25c55847e8481b378ce4dab3f33e07c3dbec8fb45f3c8026ad4", kill_on_drop: false }`
[INFO] [stdout] 4c41b815780ab25c55847e8481b378ce4dab3f33e07c3dbec8fb45f3c8026ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08649f90c8834b656e2784a24ef597598d2d471390397d013d7090a61b019ab1
[INFO] running `Command { std: "docker" "start" "-a" "08649f90c8834b656e2784a24ef597598d2d471390397d013d7090a61b019ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling syn v2.0.10
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking ariadne v0.2.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking include_dir v0.7.3
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking predicates v3.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.10
[INFO] [stderr]    Compiling llvm-sys v60.6.0
[INFO] [stderr]     Checking is-terminal v0.4.5
[INFO] [stderr]     Checking tempfile v3.4.0
[INFO] [stderr]    Compiling clap_derive v4.1.12
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking clap v4.1.13
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling enumset_derive v0.6.1
[INFO] [stderr]     Checking enumset v1.0.12
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking penne v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scoper/variable_references.rs:610:7
[INFO] [stdout]     |
[INFO] [stdout] 610 |         let mut container = self
[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/scoper/variable_references.rs:610:7
[INFO] [stdout]     |
[INFO] [stdout] 610 |         let mut container = self
[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 9.38s
[INFO] running `Command { std: "docker" "inspect" "08649f90c8834b656e2784a24ef597598d2d471390397d013d7090a61b019ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08649f90c8834b656e2784a24ef597598d2d471390397d013d7090a61b019ab1", kill_on_drop: false }`
[INFO] [stdout] 08649f90c8834b656e2784a24ef597598d2d471390397d013d7090a61b019ab1