[INFO] fetching crate archive-lp 0.2.3...
[INFO] checking archive-lp-0.2.3 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate archive-lp 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate archive-lp 0.2.3 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate archive-lp 0.2.3
[INFO] finished tweaking crates.io crate archive-lp 0.2.3
[INFO] tweaked toml for crates.io crate archive-lp 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.30.0)
[INFO] [stderr]       Adding indicatif v0.10.3 (latest: v0.17.8)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding number_prefix v0.2.8 (latest: v0.4.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.71)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v2.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded indicatif v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b59758da4e7177e2b0bf549fdcd7cb8e5746d3ef2676d908f5b0e26fe2c0b2
[INFO] running `Command { std: "docker" "start" "-a" "d0b59758da4e7177e2b0bf549fdcd7cb8e5746d3ef2676d908f5b0e26fe2c0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b59758da4e7177e2b0bf549fdcd7cb8e5746d3ef2676d908f5b0e26fe2c0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b59758da4e7177e2b0bf549fdcd7cb8e5746d3ef2676d908f5b0e26fe2c0b2", kill_on_drop: false }`
[INFO] [stdout] d0b59758da4e7177e2b0bf549fdcd7cb8e5746d3ef2676d908f5b0e26fe2c0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d476ec656d77d30bcd29aaaf6ef66d416081bcbbdb50fcab6f53d34ae5748f65
[INFO] running `Command { std: "docker" "start" "-a" "d476ec656d77d30bcd29aaaf6ef66d416081bcbbdb50fcab6f53d34ae5748f65", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]     Checking tar v0.4.41
[INFO] [stderr]     Checking thiserror v1.0.62
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking archive-lp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/zip.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut file = zip.by_index(i)?;
[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/formats/zip.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut file = zip.by_index(i)?;
[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/formats/zip.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let mut file = archive.by_index(i)?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/zip.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let mut file = archive.by_index(i)?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut file = file?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut file = file?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file = file?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file = file?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "d476ec656d77d30bcd29aaaf6ef66d416081bcbbdb50fcab6f53d34ae5748f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d476ec656d77d30bcd29aaaf6ef66d416081bcbbdb50fcab6f53d34ae5748f65", kill_on_drop: false }`
[INFO] [stdout] d476ec656d77d30bcd29aaaf6ef66d416081bcbbdb50fcab6f53d34ae5748f65
[INFO] checking archive-lp-0.2.3 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate archive-lp 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate archive-lp 0.2.3 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate archive-lp 0.2.3
[INFO] finished tweaking crates.io crate archive-lp 0.2.3
[INFO] tweaked toml for crates.io crate archive-lp 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.30.0)
[INFO] [stderr]       Adding indicatif v0.10.3 (latest: v0.17.8)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding number_prefix v0.2.8 (latest: v0.4.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.71)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v2.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d2fd3a5d19cbece85f0896e8c59892fcd5d2f80d6cba4f5ad6907cefc391026
[INFO] running `Command { std: "docker" "start" "-a" "6d2fd3a5d19cbece85f0896e8c59892fcd5d2f80d6cba4f5ad6907cefc391026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d2fd3a5d19cbece85f0896e8c59892fcd5d2f80d6cba4f5ad6907cefc391026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2fd3a5d19cbece85f0896e8c59892fcd5d2f80d6cba4f5ad6907cefc391026", kill_on_drop: false }`
[INFO] [stdout] 6d2fd3a5d19cbece85f0896e8c59892fcd5d2f80d6cba4f5ad6907cefc391026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38844b03416b02f1e01b4c5d720436e87632f2003347676d56b6063cda45ba82
[INFO] running `Command { std: "docker" "start" "-a" "38844b03416b02f1e01b4c5d720436e87632f2003347676d56b6063cda45ba82", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking tar v0.4.41
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]     Checking thiserror v1.0.62
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking archive-lp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/zip.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut file = zip.by_index(i)?;
[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/formats/zip.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut file = zip.by_index(i)?;
[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/formats/zip.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let mut file = archive.by_index(i)?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/zip.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let mut file = archive.by_index(i)?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut file = file?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut file = file?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file = file?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formats/tar.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file = file?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "38844b03416b02f1e01b4c5d720436e87632f2003347676d56b6063cda45ba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38844b03416b02f1e01b4c5d720436e87632f2003347676d56b6063cda45ba82", kill_on_drop: false }`
[INFO] [stdout] 38844b03416b02f1e01b4c5d720436e87632f2003347676d56b6063cda45ba82
