[INFO] cloning repository https://github.com/Seasons-of-Rust/sor-lab-7-prisoners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Seasons-of-Rust/sor-lab-7-prisoners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeasons-of-Rust%2Fsor-lab-7-prisoners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeasons-of-Rust%2Fsor-lab-7-prisoners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ef3d1c0e2d1216b16d33cfc06f57ecb857f37f
[INFO] checking Seasons-of-Rust/sor-lab-7-prisoners against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeasons-of-Rust%2Fsor-lab-7-prisoners" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Seasons-of-Rust/sor-lab-7-prisoners on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Seasons-of-Rust/sor-lab-7-prisoners
[INFO] finished tweaking git repo https://github.com/Seasons-of-Rust/sor-lab-7-prisoners
[INFO] tweaked toml for git repo https://github.com/Seasons-of-Rust/sor-lab-7-prisoners written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Seasons-of-Rust/sor-lab-7-prisoners 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0461b904234cc6ba8a0bf8e24c716c2754da8eb56893415a7c1c4b5e68f1d6c3
[INFO] running `Command { std: "docker" "start" "-a" "0461b904234cc6ba8a0bf8e24c716c2754da8eb56893415a7c1c4b5e68f1d6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0461b904234cc6ba8a0bf8e24c716c2754da8eb56893415a7c1c4b5e68f1d6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0461b904234cc6ba8a0bf8e24c716c2754da8eb56893415a7c1c4b5e68f1d6c3", kill_on_drop: false }`
[INFO] [stdout] 0461b904234cc6ba8a0bf8e24c716c2754da8eb56893415a7c1c4b5e68f1d6c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf6b13165c24987c8ec55202d8fee4146b58eeab0d0807fff15d134ad851d6f
[INFO] running `Command { std: "docker" "start" "-a" "caf6b13165c24987c8ec55202d8fee4146b58eeab0d0807fff15d134ad851d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking sor-lab-7-mkii v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `age`, and `epicness` are never read
[INFO] [stdout]  --> src/bots/nguyen_hanh_nong.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NguyenHanhNong {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub epicness: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NguyenHanhNong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `who_screams_for_ice_cream` is never read
[INFO] [stdout]  --> src/bots/williamdual.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Williamdual {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub who_screams_for_ice_cream: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Williamdual` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `epicness` are never read
[INFO] [stdout]  --> src/bots/nguyen_hanh_nong.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NguyenHanhNong {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub epicness: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NguyenHanhNong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `who_screams_for_ice_cream` is never read
[INFO] [stdout]  --> src/bots/williamdual.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Williamdual {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub who_screams_for_ice_cream: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Williamdual` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `Command { std: "docker" "inspect" "caf6b13165c24987c8ec55202d8fee4146b58eeab0d0807fff15d134ad851d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf6b13165c24987c8ec55202d8fee4146b58eeab0d0807fff15d134ad851d6f", kill_on_drop: false }`
[INFO] [stdout] caf6b13165c24987c8ec55202d8fee4146b58eeab0d0807fff15d134ad851d6f