[INFO] fetching crate markdown-toc 0.2.0...
[INFO] checking markdown-toc-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate markdown-toc 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate markdown-toc 0.2.0
[INFO] finished tweaking crates.io crate markdown-toc 0.2.0
[INFO] tweaked toml for crates.io crate markdown-toc 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markdown-toc 0.2.0 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 crates.io crate markdown-toc 0.2.0 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] fbd8a7e797b71f54f733f4aec19f600753114e3a6b56708ce2c116d5835935bc
[INFO] running `Command { std: "docker" "start" "-a" "fbd8a7e797b71f54f733f4aec19f600753114e3a6b56708ce2c116d5835935bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd8a7e797b71f54f733f4aec19f600753114e3a6b56708ce2c116d5835935bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd8a7e797b71f54f733f4aec19f600753114e3a6b56708ce2c116d5835935bc", kill_on_drop: false }`
[INFO] [stdout] fbd8a7e797b71f54f733f4aec19f600753114e3a6b56708ce2c116d5835935bc
[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] 4bcb3d8695ec77e1b794abaedd4acfa7a5142dd11f8bd56d5af7454a5adee125
[INFO] running `Command { std: "docker" "start" "-a" "4bcb3d8695ec77e1b794abaedd4acfa7a5142dd11f8bd56d5af7454a5adee125", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking markdown-toc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]   --> src/main.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |             if let Some(val) = opt_matches.opt_get($o).map_err(|_| ())? {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         bullet: get_opt_or_default!("bullet", bullet),
[INFO] [stdout]    |                 ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `get_opt_or_default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]    --> src/main.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout]  68 |             opt_matches.opt_get($o).map_err(|_| ())?.or(default.$p)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |             get_opt_or_default_option!("header", header)
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `get_opt_or_default_option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown-toc` (bin "md-toc") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]   --> src/main.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |             if let Some(val) = opt_matches.opt_get($o).map_err(|_| ())? {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         bullet: get_opt_or_default!("bullet", bullet),
[INFO] [stdout]    |                 ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `get_opt_or_default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]    --> src/main.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout]  68 |             opt_matches.opt_get($o).map_err(|_| ())?.or(default.$p)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |             get_opt_or_default_option!("header", header)
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `get_opt_or_default_option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown-toc` (bin "md-toc" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4bcb3d8695ec77e1b794abaedd4acfa7a5142dd11f8bd56d5af7454a5adee125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcb3d8695ec77e1b794abaedd4acfa7a5142dd11f8bd56d5af7454a5adee125", kill_on_drop: false }`
[INFO] [stdout] 4bcb3d8695ec77e1b794abaedd4acfa7a5142dd11f8bd56d5af7454a5adee125