[INFO] cloning repository https://github.com/PrimmR/no_more_titles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PrimmR/no_more_titles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrimmR%2Fno_more_titles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrimmR%2Fno_more_titles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf283851378abced87cb266dc7d2a744bdcb365a
[INFO] checking PrimmR/no_more_titles 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%2FPrimmR%2Fno_more_titles" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PrimmR/no_more_titles
[INFO] finished tweaking git repo https://github.com/PrimmR/no_more_titles
[INFO] tweaked toml for git repo https://github.com/PrimmR/no_more_titles written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PrimmR/no_more_titles 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/PrimmR/no_more_titles 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9a5d4b413081946f48970cc6c63b87ab749aab63d999d2b677e335f873e4002
[INFO] running `Command { std: "docker" "start" "-a" "c9a5d4b413081946f48970cc6c63b87ab749aab63d999d2b677e335f873e4002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a5d4b413081946f48970cc6c63b87ab749aab63d999d2b677e335f873e4002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a5d4b413081946f48970cc6c63b87ab749aab63d999d2b677e335f873e4002", kill_on_drop: false }`
[INFO] [stdout] c9a5d4b413081946f48970cc6c63b87ab749aab63d999d2b677e335f873e4002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ce2eabc482d7c460e7f01a27433a01c6785738a0a3a013ad7b534ac5fbf0947d
[INFO] running `Command { std: "docker" "start" "-a" "ce2eabc482d7c460e7f01a27433a01c6785738a0a3a013ad7b534ac5fbf0947d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stderr]     Checking no_more 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:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let x = center(i32::try_from(WIDTH).unwrap(), size.0);
[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:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let y = center(i32::try_from(HEIGHT).unwrap(), size.1);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_more` (bin "no_more") due to 2 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:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let x = center(i32::try_from(WIDTH).unwrap(), size.0);
[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:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let y = center(i32::try_from(HEIGHT).unwrap(), size.1);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_more` (bin "no_more" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce2eabc482d7c460e7f01a27433a01c6785738a0a3a013ad7b534ac5fbf0947d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2eabc482d7c460e7f01a27433a01c6785738a0a3a013ad7b534ac5fbf0947d", kill_on_drop: false }`
[INFO] [stdout] ce2eabc482d7c460e7f01a27433a01c6785738a0a3a013ad7b534ac5fbf0947d