[INFO] cloning repository https://github.com/enriqueesanchz/arithmetic-coding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enriqueesanchz/arithmetic-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenriqueesanchz%2Farithmetic-coding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenriqueesanchz%2Farithmetic-coding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 252654d0a3bbe6239624708d76d96f034082bd15
[INFO] checking enriqueesanchz/arithmetic-coding against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenriqueesanchz%2Farithmetic-coding" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enriqueesanchz/arithmetic-coding on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enriqueesanchz/arithmetic-coding
[INFO] finished tweaking git repo https://github.com/enriqueesanchz/arithmetic-coding
[INFO] tweaked toml for git repo https://github.com/enriqueesanchz/arithmetic-coding written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/enriqueesanchz/arithmetic-coding 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fenwick v2.0.1
[INFO] [stderr]   Downloaded bitbit v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c93b553353dcb631de23506f24cfb1f637750977c32796af0416aedda29ee14
[INFO] running `Command { std: "docker" "start" "-a" "2c93b553353dcb631de23506f24cfb1f637750977c32796af0416aedda29ee14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c93b553353dcb631de23506f24cfb1f637750977c32796af0416aedda29ee14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c93b553353dcb631de23506f24cfb1f637750977c32796af0416aedda29ee14", kill_on_drop: false }`
[INFO] [stdout] 2c93b553353dcb631de23506f24cfb1f637750977c32796af0416aedda29ee14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f2638dbc6b3e0397516bc8f7ed175253ebaa48fa0a484684bb128acafc9123
[INFO] running `Command { std: "docker" "start" "-a" "f5f2638dbc6b3e0397516bc8f7ed175253ebaa48fa0a484684bb128acafc9123", kill_on_drop: false }`
[INFO] [stderr]     Checking fenwick v2.0.1
[INFO] [stderr]     Checking bitbit v0.2.0
[INFO] [stderr]     Checking arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Specify`, `Start`, and `End` are never constructed
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum EOF {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 4 |     /// Choose a symbol as the EOF
[INFO] [stdout] 5 |     Specify(u32),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 6 |     /// index 0
[INFO] [stdout] 7 |     Start,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     /// index `counts.len()` - 1
[INFO] [stdout] 9 |     End,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `high` and `low` are never used
[INFO] [stdout]   --> src/model.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Model {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn high(&self, symbol: u32) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn low(&self, symbol: u32) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f5f2638dbc6b3e0397516bc8f7ed175253ebaa48fa0a484684bb128acafc9123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f2638dbc6b3e0397516bc8f7ed175253ebaa48fa0a484684bb128acafc9123", kill_on_drop: false }`
[INFO] [stdout] f5f2638dbc6b3e0397516bc8f7ed175253ebaa48fa0a484684bb128acafc9123