[INFO] fetching crate sniffdl 0.1.0...
[INFO] testing sniffdl-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sniffdl 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sniffdl 0.1.0
[INFO] finished tweaking crates.io crate sniffdl 0.1.0
[INFO] tweaked toml for crates.io crate sniffdl 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sniffdl 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sniffdl 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18315b9a4f04c6cf66a9a729f6a52d0ec8962f5eefd953a782d2a6108b5f4115
[INFO] running `Command { std: "docker" "start" "-a" "18315b9a4f04c6cf66a9a729f6a52d0ec8962f5eefd953a782d2a6108b5f4115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18315b9a4f04c6cf66a9a729f6a52d0ec8962f5eefd953a782d2a6108b5f4115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18315b9a4f04c6cf66a9a729f6a52d0ec8962f5eefd953a782d2a6108b5f4115", kill_on_drop: false }`
[INFO] [stdout] 18315b9a4f04c6cf66a9a729f6a52d0ec8962f5eefd953a782d2a6108b5f4115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc02342df41c0ff673b7d6b9a0ed24767cdbc16e24465ff84ec6ec04e377963
[INFO] running `Command { std: "docker" "start" "-a" "cfc02342df41c0ff673b7d6b9a0ed24767cdbc16e24465ff84ec6ec04e377963", kill_on_drop: false }`
[INFO] [stderr]    Compiling sniffdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use io::Read;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut temp_file = io::BufReader::new(child.stdout.unwrap()).lines().next().unwrap()?;
[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: method `same_ident` is never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Album {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 16 |     fn same_ident(&self, oth: &Self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "cfc02342df41c0ff673b7d6b9a0ed24767cdbc16e24465ff84ec6ec04e377963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc02342df41c0ff673b7d6b9a0ed24767cdbc16e24465ff84ec6ec04e377963", kill_on_drop: false }`
[INFO] [stdout] cfc02342df41c0ff673b7d6b9a0ed24767cdbc16e24465ff84ec6ec04e377963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ba3b05b1f1177723c6dbd15efb5a053623fced3af53d215305241900c75cc9
[INFO] running `Command { std: "docker" "start" "-a" "28ba3b05b1f1177723c6dbd15efb5a053623fced3af53d215305241900c75cc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling sniffdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use io::Read;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut temp_file = io::BufReader::new(child.stdout.unwrap()).lines().next().unwrap()?;
[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: method `same_ident` is never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Album {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 16 |     fn same_ident(&self, oth: &Self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "28ba3b05b1f1177723c6dbd15efb5a053623fced3af53d215305241900c75cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ba3b05b1f1177723c6dbd15efb5a053623fced3af53d215305241900c75cc9", kill_on_drop: false }`
[INFO] [stdout] 28ba3b05b1f1177723c6dbd15efb5a053623fced3af53d215305241900c75cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b70dc6ae7466f1cbc52a60c5092160258a341765b3d29f8e119b277eb4d46c40
[INFO] running `Command { std: "docker" "start" "-a" "b70dc6ae7466f1cbc52a60c5092160258a341765b3d29f8e119b277eb4d46c40", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io::Read`
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use io::Read;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut temp_file = io::BufReader::new(child.stdout.unwrap()).lines().next().unwrap()?;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `same_ident` is never used
[INFO] [stderr]   --> src/main.rs:16:8
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 15 | impl Album {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stdout] 
[INFO] [stderr] 16 |     fn same_ident(&self, oth: &Self) -> bool {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sniffdl` (bin "sniffdl" test) generated 3 warnings (run `cargo fix --bin "sniffdl" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sniffdl-0c6ef56d6f967db0)
[INFO] running `Command { std: "docker" "inspect" "b70dc6ae7466f1cbc52a60c5092160258a341765b3d29f8e119b277eb4d46c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70dc6ae7466f1cbc52a60c5092160258a341765b3d29f8e119b277eb4d46c40", kill_on_drop: false }`
[INFO] [stdout] b70dc6ae7466f1cbc52a60c5092160258a341765b3d29f8e119b277eb4d46c40