[INFO] cloning repository https://github.com/museun/dust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/dust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fdust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fdust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f287d343e704ef44db7f1bafe9a5dc1289818a72
[INFO] testing museun/dust against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fdust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/dust on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/museun/dust
[INFO] finished tweaking git repo https://github.com/museun/dust
[INFO] tweaked toml for git repo https://github.com/museun/dust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/dust 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6829db7151e1af82e5767de6c121b2b9048b080b8c9b35ff5037f998b16d0803
[INFO] running `Command { std: "docker" "start" "-a" "6829db7151e1af82e5767de6c121b2b9048b080b8c9b35ff5037f998b16d0803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6829db7151e1af82e5767de6c121b2b9048b080b8c9b35ff5037f998b16d0803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6829db7151e1af82e5767de6c121b2b9048b080b8c9b35ff5037f998b16d0803", kill_on_drop: false }`
[INFO] [stdout] 6829db7151e1af82e5767de6c121b2b9048b080b8c9b35ff5037f998b16d0803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb50d09177115e28323528355ff53244771f8eeb99ab2e47ad83217a71cb54d
[INFO] running `Command { std: "docker" "start" "-a" "cfb50d09177115e28323528355ff53244771f8eeb99ab2e47ad83217a71cb54d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling dust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Opts {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 9 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "cfb50d09177115e28323528355ff53244771f8eeb99ab2e47ad83217a71cb54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb50d09177115e28323528355ff53244771f8eeb99ab2e47ad83217a71cb54d", kill_on_drop: false }`
[INFO] [stdout] cfb50d09177115e28323528355ff53244771f8eeb99ab2e47ad83217a71cb54d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e087d1302168f9afdb11fdc8d43565414370605a316ffd900e51f0954c33c5
[INFO] running `Command { std: "docker" "start" "-a" "20e087d1302168f9afdb11fdc8d43565414370605a316ffd900e51f0954c33c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling dust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Opts {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 9 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "20e087d1302168f9afdb11fdc8d43565414370605a316ffd900e51f0954c33c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e087d1302168f9afdb11fdc8d43565414370605a316ffd900e51f0954c33c5", kill_on_drop: false }`
[INFO] [stdout] 20e087d1302168f9afdb11fdc8d43565414370605a316ffd900e51f0954c33c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27e3f0bcdd4b0eb392cb4484624a32e14fb33a90ea5391cfc40b74544088ebd0
[INFO] running `Command { std: "docker" "start" "-a" "27e3f0bcdd4b0eb392cb4484624a32e14fb33a90ea5391cfc40b74544088ebd0", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Opts {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] 9 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dust` (bin "dust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dust-fb263c193408c6a7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27e3f0bcdd4b0eb392cb4484624a32e14fb33a90ea5391cfc40b74544088ebd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e3f0bcdd4b0eb392cb4484624a32e14fb33a90ea5391cfc40b74544088ebd0", kill_on_drop: false }`
[INFO] [stdout] 27e3f0bcdd4b0eb392cb4484624a32e14fb33a90ea5391cfc40b74544088ebd0