[INFO] cloning repository https://github.com/Saz4nd0ra/rs-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saz4nd0ra/rs-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaz4nd0ra%2Frs-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaz4nd0ra%2Frs-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cef0d6a7dfb6dd4255bf33b291d81c3c859fa4a
[INFO] testing Saz4nd0ra/rs-learn against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaz4nd0ra%2Frs-learn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saz4nd0ra/rs-learn on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Saz4nd0ra/rs-learn
[INFO] finished tweaking git repo https://github.com/Saz4nd0ra/rs-learn
[INFO] tweaked toml for git repo https://github.com/Saz4nd0ra/rs-learn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Saz4nd0ra/rs-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6c70b555d159f81cadbb2a2024d9d7b0eb9cafda7c6321bff1d0c2d34c2d2d2
[INFO] running `Command { std: "docker" "start" "-a" "b6c70b555d159f81cadbb2a2024d9d7b0eb9cafda7c6321bff1d0c2d34c2d2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c70b555d159f81cadbb2a2024d9d7b0eb9cafda7c6321bff1d0c2d34c2d2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c70b555d159f81cadbb2a2024d9d7b0eb9cafda7c6321bff1d0c2d34c2d2d2", kill_on_drop: false }`
[INFO] [stdout] b6c70b555d159f81cadbb2a2024d9d7b0eb9cafda7c6321bff1d0c2d34c2d2d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 026188cccaefc61eba30088d127278d6d04c05f70ae50d9f7c270684111eeaba
[INFO] running `Command { std: "docker" "start" "-a" "026188cccaefc61eba30088d127278d6d04c05f70ae50d9f7c270684111eeaba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rs-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `guesses_left` is never read
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut guesses_left = MAX_GUESSES;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "026188cccaefc61eba30088d127278d6d04c05f70ae50d9f7c270684111eeaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026188cccaefc61eba30088d127278d6d04c05f70ae50d9f7c270684111eeaba", kill_on_drop: false }`
[INFO] [stdout] 026188cccaefc61eba30088d127278d6d04c05f70ae50d9f7c270684111eeaba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33616e7f1f7b6b672a5fbd736f449846b657cba77bba51801e91ea291bb6ce24
[INFO] running `Command { std: "docker" "start" "-a" "33616e7f1f7b6b672a5fbd736f449846b657cba77bba51801e91ea291bb6ce24", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `guesses_left` is never read
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut guesses_left = MAX_GUESSES;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "33616e7f1f7b6b672a5fbd736f449846b657cba77bba51801e91ea291bb6ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33616e7f1f7b6b672a5fbd736f449846b657cba77bba51801e91ea291bb6ce24", kill_on_drop: false }`
[INFO] [stdout] 33616e7f1f7b6b672a5fbd736f449846b657cba77bba51801e91ea291bb6ce24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d683bc00eb7ae2a8a29d0ab508fb4777d6b8f0fd27c9b04e9119bbd067ef3d71
[INFO] running `Command { std: "docker" "start" "-a" "d683bc00eb7ae2a8a29d0ab508fb4777d6b8f0fd27c9b04e9119bbd067ef3d71", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `guesses_left` is never read
[INFO] [stderr]   --> src/main.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut guesses_left = MAX_GUESSES;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_learn-4568da267132e07c)
[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" "d683bc00eb7ae2a8a29d0ab508fb4777d6b8f0fd27c9b04e9119bbd067ef3d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d683bc00eb7ae2a8a29d0ab508fb4777d6b8f0fd27c9b04e9119bbd067ef3d71", kill_on_drop: false }`
[INFO] [stdout] d683bc00eb7ae2a8a29d0ab508fb4777d6b8f0fd27c9b04e9119bbd067ef3d71