[INFO] cloning repository https://github.com/jfwilson/rustle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfwilson/rustle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfwilson%2Frustle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfwilson%2Frustle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd94f5a9e02daf5827d407b7c0311a57b8534c9d
[INFO] checking jfwilson/rustle against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfwilson%2Frustle" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jfwilson/rustle
[INFO] finished tweaking git repo https://github.com/jfwilson/rustle
[INFO] tweaked toml for git repo https://github.com/jfwilson/rustle written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jfwilson/rustle on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jfwilson/rustle 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c78fef3b5b13a79caa2188dea6fabe17570f24b28e798d031841f2094f6b0016
[INFO] running `Command { std: "docker" "start" "-a" "c78fef3b5b13a79caa2188dea6fabe17570f24b28e798d031841f2094f6b0016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c78fef3b5b13a79caa2188dea6fabe17570f24b28e798d031841f2094f6b0016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78fef3b5b13a79caa2188dea6fabe17570f24b28e798d031841f2094f6b0016", kill_on_drop: false }`
[INFO] [stdout] c78fef3b5b13a79caa2188dea6fabe17570f24b28e798d031841f2094f6b0016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba862ea150806c8172e5402be22960e5245ef8c3ed598c8e5f01bd52de50090
[INFO] running `Command { std: "docker" "start" "-a" "eba862ea150806c8172e5402be22960e5245ef8c3ed598c8e5f01bd52de50090", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking rustle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:104:63
[INFO] [stdout]     |
[INFO] [stdout] 104 |         else if !answer_visited[0] && guess[4] == answer[0] { answer_visited[0] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:105:63
[INFO] [stdout]     |
[INFO] [stdout] 105 |         else if !answer_visited[1] && guess[4] == answer[1] { answer_visited[1] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:106:63
[INFO] [stdout]     |
[INFO] [stdout] 106 |         else if !answer_visited[2] && guess[4] == answer[2] { answer_visited[2] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:107:63
[INFO] [stdout]     |
[INFO] [stdout] 107 |         else if !answer_visited[3] && guess[4] == answer[3] { answer_visited[3] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:104:63
[INFO] [stdout]     |
[INFO] [stdout] 104 |         else if !answer_visited[0] && guess[4] == answer[0] { answer_visited[0] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:105:63
[INFO] [stdout]     |
[INFO] [stdout] 105 |         else if !answer_visited[1] && guess[4] == answer[1] { answer_visited[1] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:106:63
[INFO] [stdout]     |
[INFO] [stdout] 106 |         else if !answer_visited[2] && guess[4] == answer[2] { answer_visited[2] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer_visited` is never read
[INFO] [stdout]    --> src/bin/rank.rs:107:63
[INFO] [stdout]     |
[INFO] [stdout] 107 |         else if !answer_visited[3] && guess[4] == answer[3] { answer_visited[3] = true; 1 * 81 }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "eba862ea150806c8172e5402be22960e5245ef8c3ed598c8e5f01bd52de50090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba862ea150806c8172e5402be22960e5245ef8c3ed598c8e5f01bd52de50090", kill_on_drop: false }`
[INFO] [stdout] eba862ea150806c8172e5402be22960e5245ef8c3ed598c8e5f01bd52de50090