[INFO] cloning repository https://github.com/Ioka-Yusuke/ahc018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ioka-Yusuke/ahc018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Yusuke%2Fahc018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Yusuke%2Fahc018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3b79a338a96874ca8f816a54adb472c755a377b
[INFO] checking Ioka-Yusuke/ahc018 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Yusuke%2Fahc018" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ioka-Yusuke/ahc018
[INFO] finished tweaking git repo https://github.com/Ioka-Yusuke/ahc018
[INFO] tweaked toml for git repo https://github.com/Ioka-Yusuke/ahc018 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ioka-Yusuke/ahc018 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ioka-Yusuke/ahc018 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03cd039154e771e316fb7fb8b380224e5ad7bcf8b9d7c37d8c641af71ddfb11a
[INFO] running `Command { std: "docker" "start" "-a" "03cd039154e771e316fb7fb8b380224e5ad7bcf8b9d7c37d8c641af71ddfb11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03cd039154e771e316fb7fb8b380224e5ad7bcf8b9d7c37d8c641af71ddfb11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cd039154e771e316fb7fb8b380224e5ad7bcf8b9d7c37d8c641af71ddfb11a", kill_on_drop: false }`
[INFO] [stdout] 03cd039154e771e316fb7fb8b380224e5ad7bcf8b9d7c37d8c641af71ddfb11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f30d667a54e6c4508532a52eb8da3425297551944ad17144b8ae68b248844e8
[INFO] running `Command { std: "docker" "start" "-a" "4f30d667a54e6c4508532a52eb8da3425297551944ad17144b8ae68b248844e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking proconio v0.3.8
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking ahc018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let mut now_x:i32 = list_dist[0][1].try_into().unwrap(); 
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut now_y:i32 = list_dist[0][2].try_into().unwrap();  
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let g_x:i32 = list_dist[0][3].try_into().unwrap(); 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let g_y:i32 = list_dist[0][4].try_into().unwrap(); 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahc018` (bin "ahc018" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let mut now_x:i32 = list_dist[0][1].try_into().unwrap(); 
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut now_y:i32 = list_dist[0][2].try_into().unwrap();  
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let g_x:i32 = list_dist[0][3].try_into().unwrap(); 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/main.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let g_y:i32 = list_dist[0][4].try_into().unwrap(); 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahc018` (bin "ahc018") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4f30d667a54e6c4508532a52eb8da3425297551944ad17144b8ae68b248844e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f30d667a54e6c4508532a52eb8da3425297551944ad17144b8ae68b248844e8", kill_on_drop: false }`
[INFO] [stdout] 4f30d667a54e6c4508532a52eb8da3425297551944ad17144b8ae68b248844e8