[INFO] cloning repository https://github.com/BlinfoldKing/do-not-learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlinfoldKing/do-not-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Fdo-not-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Fdo-not-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ccac47bea89b5063d24465624e7c9131b9c39d
[INFO] testing BlinfoldKing/do-not-learn-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Fdo-not-learn-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlinfoldKing/do-not-learn-rust 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/BlinfoldKing/do-not-learn-rust
[INFO] finished tweaking git repo https://github.com/BlinfoldKing/do-not-learn-rust
[INFO] tweaked toml for git repo https://github.com/BlinfoldKing/do-not-learn-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/BlinfoldKing/do-not-learn-rust 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 29a6bd9266ec6005f8026e93fe3566e99c20a9aa98e29fada0e62b5f9935fc0b
[INFO] running `Command { std: "docker" "start" "-a" "29a6bd9266ec6005f8026e93fe3566e99c20a9aa98e29fada0e62b5f9935fc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29a6bd9266ec6005f8026e93fe3566e99c20a9aa98e29fada0e62b5f9935fc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a6bd9266ec6005f8026e93fe3566e99c20a9aa98e29fada0e62b5f9935fc0b", kill_on_drop: false }`
[INFO] [stdout] 29a6bd9266ec6005f8026e93fe3566e99c20a9aa98e29fada0e62b5f9935fc0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ced03f1ebf1ea464696830fc546c1df6cb9b8fb0e83a3036e32453fdb61cdfe1
[INFO] running `Command { std: "docker" "start" "-a" "ced03f1ebf1ea464696830fc546c1df6cb9b8fb0e83a3036e32453fdb61cdfe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling do-not-learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `none` is never read
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut none: Option<i8> = None;
[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: variant is never constructed: `Male`
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         Male,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Female`
[INFO] [stdout]    --> src/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Female,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "ced03f1ebf1ea464696830fc546c1df6cb9b8fb0e83a3036e32453fdb61cdfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced03f1ebf1ea464696830fc546c1df6cb9b8fb0e83a3036e32453fdb61cdfe1", kill_on_drop: false }`
[INFO] [stdout] ced03f1ebf1ea464696830fc546c1df6cb9b8fb0e83a3036e32453fdb61cdfe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b5277221685a0fed41e9b8d96397f4e63d6d9f721c97d8f80dbb9be1fbe48b1b
[INFO] running `Command { std: "docker" "start" "-a" "b5277221685a0fed41e9b8d96397f4e63d6d9f721c97d8f80dbb9be1fbe48b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling do-not-learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `none` is never read
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut none: Option<i8> = None;
[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 0.71s
[INFO] running `Command { std: "docker" "inspect" "b5277221685a0fed41e9b8d96397f4e63d6d9f721c97d8f80dbb9be1fbe48b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5277221685a0fed41e9b8d96397f4e63d6d9f721c97d8f80dbb9be1fbe48b1b", kill_on_drop: false }`
[INFO] [stdout] b5277221685a0fed41e9b8d96397f4e63d6d9f721c97d8f80dbb9be1fbe48b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 45f702c684cb143856b55f8d42f56ff32939e1e8198a15bca4c6145acf7443eb
[INFO] running `Command { std: "docker" "start" "-a" "45f702c684cb143856b55f8d42f56ff32939e1e8198a15bca4c6145acf7443eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `none` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 69 |     let mut none: Option<i8> = None;
[INFO] [stdout] 
[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 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/do_not_learn_rust-f3f6c52c3144a1c1)
[INFO] running `Command { std: "docker" "inspect" "45f702c684cb143856b55f8d42f56ff32939e1e8198a15bca4c6145acf7443eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f702c684cb143856b55f8d42f56ff32939e1e8198a15bca4c6145acf7443eb", kill_on_drop: false }`
[INFO] [stdout] 45f702c684cb143856b55f8d42f56ff32939e1e8198a15bca4c6145acf7443eb