[INFO] cloning repository https://github.com/lyons/touhou_music_extractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyons/touhou_music_extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyons%2Ftouhou_music_extractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyons%2Ftouhou_music_extractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96d4845d349cd85a4d0a8afcf9f39cadef75d499
[INFO] checking lyons/touhou_music_extractor 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%2Flyons%2Ftouhou_music_extractor" "/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/lyons/touhou_music_extractor
[INFO] finished tweaking git repo https://github.com/lyons/touhou_music_extractor
[INFO] tweaked toml for git repo https://github.com/lyons/touhou_music_extractor written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyons/touhou_music_extractor 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/lyons/touhou_music_extractor 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] 879e1d0e82dcb2680a5dfe8182d1b131d4ad2462bb652dc60cc3d2117c1cd305
[INFO] running `Command { std: "docker" "start" "-a" "879e1d0e82dcb2680a5dfe8182d1b131d4ad2462bb652dc60cc3d2117c1cd305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "879e1d0e82dcb2680a5dfe8182d1b131d4ad2462bb652dc60cc3d2117c1cd305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879e1d0e82dcb2680a5dfe8182d1b131d4ad2462bb652dc60cc3d2117c1cd305", kill_on_drop: false }`
[INFO] [stdout] 879e1d0e82dcb2680a5dfe8182d1b131d4ad2462bb652dc60cc3d2117c1cd305
[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] d72a91e424d982728ba1936e4eacd1465974406dde701705bd821d34189fb9a6
[INFO] running `Command { std: "docker" "start" "-a" "d72a91e424d982728ba1936e4eacd1465974406dde701705bd821d34189fb9a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking anyhow v1.0.40
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.0
[INFO] [stderr]     Checking string_template v0.2.1
[INFO] [stderr]    Compiling rust-embed-impl v5.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking rust-embed v5.6.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking touhou_music_extractor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 | /   #[structopt(
[INFO] [stdout] 61 | |     short = "o",
[INFO] [stdout] 62 | |     long = "--output-dir",
[INFO] [stdout] 63 | |     value_name = "dir",
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |   )]
[INFO] [stdout] 81 | |   output_dir: Option<String>,
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:83:3
[INFO] [stdout]     |
[INFO] [stdout]  83 | /   #[structopt(
[INFO] [stdout]  84 | |     long = "--filename-format",
[INFO] [stdout]  85 | |     value_name = "format",
[INFO] [stdout]  86 | |     global = true,
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |   )]
[INFO] [stdout] 102 | |   filename_format: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `touhou_music_extractor` (bin "thme") 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 | /   #[structopt(
[INFO] [stdout] 61 | |     short = "o",
[INFO] [stdout] 62 | |     long = "--output-dir",
[INFO] [stdout] 63 | |     value_name = "dir",
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |   )]
[INFO] [stdout] 81 | |   output_dir: Option<String>,
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:83:3
[INFO] [stdout]     |
[INFO] [stdout]  83 | /   #[structopt(
[INFO] [stdout]  84 | |     long = "--filename-format",
[INFO] [stdout]  85 | |     value_name = "format",
[INFO] [stdout]  86 | |     global = true,
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |   )]
[INFO] [stdout] 102 | |   filename_format: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `touhou_music_extractor` (bin "thme" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d72a91e424d982728ba1936e4eacd1465974406dde701705bd821d34189fb9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72a91e424d982728ba1936e4eacd1465974406dde701705bd821d34189fb9a6", kill_on_drop: false }`
[INFO] [stdout] d72a91e424d982728ba1936e4eacd1465974406dde701705bd821d34189fb9a6