[INFO] fetching crate pmdfonttool 1.1.0...
[INFO] checking pmdfonttool-1.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pmdfonttool 1.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pmdfonttool 1.1.0
[INFO] finished tweaking crates.io crate pmdfonttool 1.1.0
[INFO] tweaked toml for crates.io crate pmdfonttool 1.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pmdfonttool 1.1.0 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 pmdfonttool 1.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e7d13e97fd3df1259ad1facadc1e868dc8b0b9054e5aeb3afae9caf1787d14a
[INFO] running `Command { std: "docker" "start" "-a" "1e7d13e97fd3df1259ad1facadc1e868dc8b0b9054e5aeb3afae9caf1787d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e7d13e97fd3df1259ad1facadc1e868dc8b0b9054e5aeb3afae9caf1787d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7d13e97fd3df1259ad1facadc1e868dc8b0b9054e5aeb3afae9caf1787d14a", kill_on_drop: false }`
[INFO] [stdout] 1e7d13e97fd3df1259ad1facadc1e868dc8b0b9054e5aeb3afae9caf1787d14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 36603017c711bcd5e54544400ff5b47d7a9c037e137e272a0648864f442a92ea
[INFO] running `Command { std: "docker" "start" "-a" "36603017c711bcd5e54544400ff5b47d7a9c037e137e272a0648864f442a92ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking fontdue v0.5.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v2.0.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking binread v2.1.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking pmd_cte v1.0.0
[INFO] [stderr]     Checking pmd_dic v1.1.1
[INFO] [stderr]     Checking pmdfonttool v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     /// the input .dic file
[INFO] [stdout] 37 | |     dic_input: PathBuf,
[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/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// the input .img file
[INFO] [stdout] 39 | |     img_input: PathBuf,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// the output folder
[INFO] [stdout] 41 | |     output: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// the input folder
[INFO] [stdout] 47 | |     input: PathBuf,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// the output .dic file
[INFO] [stdout] 49 | |     dic_output: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// the output .img file
[INFO] [stdout] 51 | |     img_output: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// a file listing every character to be exported (UTF-8, can be present multiple time)
[INFO] [stdout] 57 | |     char_list_path: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// the input TrueType font
[INFO] [stdout] 59 | |     input: PathBuf,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// the output folder
[INFO] [stdout] 61 | |     output: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pmdfonttool` (bin "pmdfonttool") due to 9 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     /// the input .dic file
[INFO] [stdout] 37 | |     dic_input: PathBuf,
[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/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// the input .img file
[INFO] [stdout] 39 | |     img_input: PathBuf,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// the output folder
[INFO] [stdout] 41 | |     output: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// the input folder
[INFO] [stdout] 47 | |     input: PathBuf,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// the output .dic file
[INFO] [stdout] 49 | |     dic_output: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// the output .img file
[INFO] [stdout] 51 | |     img_output: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// a file listing every character to be exported (UTF-8, can be present multiple time)
[INFO] [stdout] 57 | |     char_list_path: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// the input TrueType font
[INFO] [stdout] 59 | |     input: PathBuf,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// the output folder
[INFO] [stdout] 61 | |     output: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pmdfonttool` (bin "pmdfonttool" test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "36603017c711bcd5e54544400ff5b47d7a9c037e137e272a0648864f442a92ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36603017c711bcd5e54544400ff5b47d7a9c037e137e272a0648864f442a92ea", kill_on_drop: false }`
[INFO] [stdout] 36603017c711bcd5e54544400ff5b47d7a9c037e137e272a0648864f442a92ea