[INFO] cloning repository https://github.com/MrNastyBadMan/nonogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrNastyBadMan/nonogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrNastyBadMan%2Fnonogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrNastyBadMan%2Fnonogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dd889ba47aa993e785c1eb562d511e61dccce34
[INFO] checking MrNastyBadMan/nonogram against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrNastyBadMan%2Fnonogram" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MrNastyBadMan/nonogram
[INFO] finished tweaking git repo https://github.com/MrNastyBadMan/nonogram
[INFO] tweaked toml for git repo https://github.com/MrNastyBadMan/nonogram written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MrNastyBadMan/nonogram on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MrNastyBadMan/nonogram 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06
[INFO] running `Command { std: "docker" "start" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking nonogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `usize`
[INFO] [stdout]   --> src/solver/structures.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout]    |                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout] 27 +         let mut line = Vec::with_capacity(len);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout] 27 +         let mut line = Vec::with_capacity(<usize as Into<_>>::into(len));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u64`
[INFO] [stdout]   --> src/solver/mod.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     if line_len < first_constraint.count().into() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     if line_len < first_constraint.count().into() {
[INFO] [stdout] 57 +     if line_len < first_constraint.count() {
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -     if line_len < first_constraint.count().into() {
[INFO] [stdout] 57 +     if line_len < <u64 as Into<_>>::into(first_constraint.count()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nonogram` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `usize`
[INFO] [stdout]   --> src/solver/structures.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout]    |                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout] 27 +         let mut line = Vec::with_capacity(len);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let mut line = Vec::with_capacity(len.into());
[INFO] [stdout] 27 +         let mut line = Vec::with_capacity(<usize as Into<_>>::into(len));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u64`
[INFO] [stdout]   --> src/solver/mod.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     if line_len < first_constraint.count().into() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     if line_len < first_constraint.count().into() {
[INFO] [stdout] 57 +     if line_len < first_constraint.count() {
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -     if line_len < first_constraint.count().into() {
[INFO] [stdout] 57 +     if line_len < <u64 as Into<_>>::into(first_constraint.count()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nonogram` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06", kill_on_drop: false }`
[INFO] [stdout] 2d1d310151aa637705c6cdcd4193895c8d904cab29dd28b5016f77a52e488e06
