[INFO] fetching crate penguin-app 0.2.7...
[INFO] checking penguin-app-0.2.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate penguin-app 0.2.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate penguin-app 0.2.7
[INFO] finished tweaking crates.io crate penguin-app 0.2.7
[INFO] tweaked toml for crates.io crate penguin-app 0.2.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate penguin-app 0.2.7 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 penguin-app 0.2.7 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5afd040426e044aa1db2378a7845eca466c24b04aea5af605e7d336f7e701014
[INFO] running `Command { std: "docker" "start" "-a" "5afd040426e044aa1db2378a7845eca466c24b04aea5af605e7d336f7e701014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5afd040426e044aa1db2378a7845eca466c24b04aea5af605e7d336f7e701014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afd040426e044aa1db2378a7845eca466c24b04aea5af605e7d336f7e701014", kill_on_drop: false }`
[INFO] [stdout] 5afd040426e044aa1db2378a7845eca466c24b04aea5af605e7d336f7e701014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fb79a2610db846d9b638340e9203b85aef65d3e5bf85aa7f84384c2400f5c986
[INFO] running `Command { std: "docker" "start" "-a" "fb79a2610db846d9b638340e9203b85aef65d3e5bf85aa7f84384c2400f5c986", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]    Compiling penguin v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking http-range v0.1.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling bunt-macros v0.2.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking open v2.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking infer v0.15.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking bunt v0.2.6
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-tungstenite v0.17.1
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-tungstenite v0.8.0
[INFO] [stderr]     Checking penguin-app v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Overrides the default control path '/~~penguin' with a custom path.
[INFO] [stdout] 30 | |     ///
[INFO] [stdout] 31 | |     /// Only useful you need to use '/~~penguin' in your own application.
[INFO] [stdout] 32 | |     #[structopt(long, global = true)]
[INFO] [stdout] 33 | |     pub(crate) control_path: 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<PathBuf, Infallible>
[INFO] [stdout]    --> src/args.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | /     /// Watch a path for file system changes, triggering a reload.
[INFO] [stdout] 112 | |     ///
[INFO] [stdout] 113 | |     /// Note that mounted paths are already watched by default.
[INFO] [stdout] 114 | |     #[structopt(short, long = "--watch", number_of_values = 1)]
[INFO] [stdout] 115 | |     pub(crate) watched_paths: Vec<PathBuf>,
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Overrides the default control path '/~~penguin' with a custom path.
[INFO] [stdout] 30 | |     ///
[INFO] [stdout] 31 | |     /// Only useful you need to use '/~~penguin' in your own application.
[INFO] [stdout] 32 | |     #[structopt(long, global = true)]
[INFO] [stdout] 33 | |     pub(crate) control_path: 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<PathBuf, Infallible>
[INFO] [stdout]    --> src/args.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | /     /// Watch a path for file system changes, triggering a reload.
[INFO] [stdout] 112 | |     ///
[INFO] [stdout] 113 | |     /// Note that mounted paths are already watched by default.
[INFO] [stdout] 114 | |     #[structopt(short, long = "--watch", number_of_values = 1)]
[INFO] [stdout] 115 | |     pub(crate) watched_paths: Vec<PathBuf>,
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `penguin-app` (bin "penguin") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `penguin-app` (bin "penguin" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fb79a2610db846d9b638340e9203b85aef65d3e5bf85aa7f84384c2400f5c986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb79a2610db846d9b638340e9203b85aef65d3e5bf85aa7f84384c2400f5c986", kill_on_drop: false }`
[INFO] [stdout] fb79a2610db846d9b638340e9203b85aef65d3e5bf85aa7f84384c2400f5c986
