[INFO] cloning repository https://github.com/cavefxa/monkeysee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cavefxa/monkeysee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcavefxa%2Fmonkeysee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcavefxa%2Fmonkeysee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ba1572e8f652e22e1ffaf557f724a607db111b6
[INFO] checking cavefxa/monkeysee 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%2Fcavefxa%2Fmonkeysee" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cavefxa/monkeysee
[INFO] finished tweaking git repo https://github.com/cavefxa/monkeysee
[INFO] tweaked toml for git repo https://github.com/cavefxa/monkeysee written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cavefxa/monkeysee 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/cavefxa/monkeysee 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86862c3c8eeac9ce99defe4f003c0e167fc207f8050da289407f1df2bb5fb341
[INFO] running `Command { std: "docker" "start" "-a" "86862c3c8eeac9ce99defe4f003c0e167fc207f8050da289407f1df2bb5fb341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86862c3c8eeac9ce99defe4f003c0e167fc207f8050da289407f1df2bb5fb341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86862c3c8eeac9ce99defe4f003c0e167fc207f8050da289407f1df2bb5fb341", kill_on_drop: false }`
[INFO] [stdout] 86862c3c8eeac9ce99defe4f003c0e167fc207f8050da289407f1df2bb5fb341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 685ccb6b99258d2aa5e974b551b57c59a56e3db2e601fb4dc71d69622ea2db82
[INFO] running `Command { std: "docker" "start" "-a" "685ccb6b99258d2aa5e974b551b57c59a56e3db2e601fb4dc71d69622ea2db82", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]     Checking no_std_io2 v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling deku_derive v0.19.1
[INFO] [stderr]     Checking deku v0.19.1
[INFO] [stderr]     Checking monkeysee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/string_data.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, DekuRead)]
[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<usize, Infallible>
[INFO] [stdout]  --> src/string_data.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (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: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/symbol_table.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]  --> src/symbol_table.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkeysee` (bin "monkeysee") 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: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/string_data.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, DekuRead)]
[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<usize, Infallible>
[INFO] [stdout]  --> src/string_data.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (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: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/symbol_table.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]  --> src/symbol_table.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, DekuRead)]
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkeysee` (bin "monkeysee" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "685ccb6b99258d2aa5e974b551b57c59a56e3db2e601fb4dc71d69622ea2db82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685ccb6b99258d2aa5e974b551b57c59a56e3db2e601fb4dc71d69622ea2db82", kill_on_drop: false }`
[INFO] [stdout] 685ccb6b99258d2aa5e974b551b57c59a56e3db2e601fb4dc71d69622ea2db82