[INFO] fetching crate seqsample 0.2.0...
[INFO] testing seqsample-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate seqsample 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate seqsample 0.2.0
[INFO] finished tweaking crates.io crate seqsample 0.2.0
[INFO] tweaked toml for crates.io crate seqsample 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seqsample 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seqsample 0.2.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63dd82d8ca576e1128800c3a020cb064e8c68e5220739bf46d7da7a3210a8bf
[INFO] running `Command { std: "docker" "start" "-a" "a63dd82d8ca576e1128800c3a020cb064e8c68e5220739bf46d7da7a3210a8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63dd82d8ca576e1128800c3a020cb064e8c68e5220739bf46d7da7a3210a8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63dd82d8ca576e1128800c3a020cb064e8c68e5220739bf46d7da7a3210a8bf", kill_on_drop: false }`
[INFO] [stdout] a63dd82d8ca576e1128800c3a020cb064e8c68e5220739bf46d7da7a3210a8bf
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f2120967f230e38c72e8f3386641d3c3f6b56838f9a217267a2ab98464a89b
[INFO] running `Command { std: "docker" "start" "-a" "32f2120967f230e38c72e8f3386641d3c3f6b56838f9a217267a2ab98464a89b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling strum v0.23.0
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[INFO] [stderr]    Compiling clap v3.2.8
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[INFO] [stderr]    Compiling bio-types v0.12.1
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling tera v1.16.0
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling bio v0.41.0
[INFO] [stderr]    Compiling seqsample v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/process.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut null_file = OpenOptions::new().write(true).open("/dev/null").unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "32f2120967f230e38c72e8f3386641d3c3f6b56838f9a217267a2ab98464a89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f2120967f230e38c72e8f3386641d3c3f6b56838f9a217267a2ab98464a89b", kill_on_drop: false }`
[INFO] [stdout] 32f2120967f230e38c72e8f3386641d3c3f6b56838f9a217267a2ab98464a89b
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cefcfb4b4fddccb5b3694ed925fc76974047690d3fa9ce1d70303e1e749a1f7
[INFO] running `Command { std: "docker" "start" "-a" "9cefcfb4b4fddccb5b3694ed925fc76974047690d3fa9ce1d70303e1e749a1f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling seqsample v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/process.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut null_file = OpenOptions::new().write(true).open("/dev/null").unwrap();
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "9cefcfb4b4fddccb5b3694ed925fc76974047690d3fa9ce1d70303e1e749a1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cefcfb4b4fddccb5b3694ed925fc76974047690d3fa9ce1d70303e1e749a1f7", kill_on_drop: false }`
[INFO] [stdout] 9cefcfb4b4fddccb5b3694ed925fc76974047690d3fa9ce1d70303e1e749a1f7
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a750f55aa7e482c0cdcbbc1e9eea4a71ddd283e9951cb5ebacaed79038b700f9
[INFO] running `Command { std: "docker" "start" "-a" "a750f55aa7e482c0cdcbbc1e9eea4a71ddd283e9951cb5ebacaed79038b700f9", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/process.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut null_file = OpenOptions::new().write(true).open("/dev/null").unwrap();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seqsample` (bin "seqsample" test) generated 1 warning (run `cargo fix --bin "seqsample" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/seqsample-d9473887a18b573b)
[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" "a750f55aa7e482c0cdcbbc1e9eea4a71ddd283e9951cb5ebacaed79038b700f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a750f55aa7e482c0cdcbbc1e9eea4a71ddd283e9951cb5ebacaed79038b700f9", kill_on_drop: false }`
[INFO] [stdout] a750f55aa7e482c0cdcbbc1e9eea4a71ddd283e9951cb5ebacaed79038b700f9