[INFO] fetching crate rust_dos_header 0.1.1...
[INFO] building rust_dos_header-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rust_dos_header 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rust_dos_header 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust_dos_header 0.1.1
[INFO] tweaked toml for crates.io crate rust_dos_header 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_dos_header 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_dos_header 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dad6df8b5823ae6ba579b1eabdd86016cc4d964d3555bc822c3430f1da7e12d
[INFO] running `Command { std: "docker" "start" "-a" "7dad6df8b5823ae6ba579b1eabdd86016cc4d964d3555bc822c3430f1da7e12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dad6df8b5823ae6ba579b1eabdd86016cc4d964d3555bc822c3430f1da7e12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dad6df8b5823ae6ba579b1eabdd86016cc4d964d3555bc822c3430f1da7e12d", kill_on_drop: false }`
[INFO] [stdout] 7dad6df8b5823ae6ba579b1eabdd86016cc4d964d3555bc822c3430f1da7e12d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8fbeb1693500de9fd3b1964ccaa191151fe68e70e409624a76401fec2880b3b
[INFO] running `Command { std: "docker" "start" "-a" "f8fbeb1693500de9fd3b1964ccaa191151fe68e70e409624a76401fec2880b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dos_header v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dos/decode.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn read_move_vec_u18_list_by_file(mut files: &File, len: usize) -> Vec<u16> {
[INFO] [stdout]     |                                   ----^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dos/decode.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn decode_file(mut files: &File) -> Result<structs::DosHeader, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                    ----^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f8fbeb1693500de9fd3b1964ccaa191151fe68e70e409624a76401fec2880b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fbeb1693500de9fd3b1964ccaa191151fe68e70e409624a76401fec2880b3b", kill_on_drop: false }`
[INFO] [stdout] f8fbeb1693500de9fd3b1964ccaa191151fe68e70e409624a76401fec2880b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc458dc8153b4591d3d99eef2da212f6a0bb50f38994984d57daaadb40560f5
[INFO] running `Command { std: "docker" "start" "-a" "abc458dc8153b4591d3d99eef2da212f6a0bb50f38994984d57daaadb40560f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dos_header v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dos/decode.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn read_move_vec_u18_list_by_file(mut files: &File, len: usize) -> Vec<u16> {
[INFO] [stdout]     |                                   ----^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dos/decode.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn decode_file(mut files: &File) -> Result<structs::DosHeader, Box<dyn std::error::Error>> {
[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/dos/decode.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn read_move_vec_u18_list_by_file(mut files: &File, len: usize) -> Vec<u16> {
[INFO] [stdout]     |                                   ----^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dos/decode.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn decode_file(mut files: &File) -> Result<structs::DosHeader, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                    ----^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> examples/decode_dos_header_stream.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{Read, Seek}};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "abc458dc8153b4591d3d99eef2da212f6a0bb50f38994984d57daaadb40560f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc458dc8153b4591d3d99eef2da212f6a0bb50f38994984d57daaadb40560f5", kill_on_drop: false }`
[INFO] [stdout] abc458dc8153b4591d3d99eef2da212f6a0bb50f38994984d57daaadb40560f5
