[INFO] cloning repository https://github.com/xgillard/thumbnails
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xgillard/thumbnails" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxgillard%2Fthumbnails", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxgillard%2Fthumbnails'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90a8f7520f1df1e268b544f19d45ef5fe5fbd63a
[INFO] checking xgillard/thumbnails 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%2Fxgillard%2Fthumbnails" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xgillard/thumbnails
[INFO] finished tweaking git repo https://github.com/xgillard/thumbnails
[INFO] tweaked toml for git repo https://github.com/xgillard/thumbnails written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xgillard/thumbnails 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/xgillard/thumbnails 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ee5ee01d02a083d6f72d4a7d82fa26b1f89c563f638427fa593d80829d4657fa
[INFO] running `Command { std: "docker" "start" "-a" "ee5ee01d02a083d6f72d4a7d82fa26b1f89c563f638427fa593d80829d4657fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee5ee01d02a083d6f72d4a7d82fa26b1f89c563f638427fa593d80829d4657fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5ee01d02a083d6f72d4a7d82fa26b1f89c563f638427fa593d80829d4657fa", kill_on_drop: false }`
[INFO] [stdout] ee5ee01d02a083d6f72d4a7d82fa26b1f89c563f638427fa593d80829d4657fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dfc786a769534a859a9b3c35a2675efbecb1cfefa37b932fc53679d9e05bd988
[INFO] running `Command { std: "docker" "start" "-a" "dfc786a769534a859a9b3c35a2675efbecb1cfefa37b932fc53679d9e05bd988", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking event-listener v4.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking polling v3.3.1
[INFO] [stderr]     Checking async-io v2.2.1
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thumbnails v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Path to the source folder
[INFO] [stdout] 13 | |     src: 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Path to the destination folder
[INFO] [stdout] 15 | |     dst: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Not all files should be considered when processing the images. Actually, we only want to
[INFO] [stdout] 29 | |     /// process those files having a specific extension and leave out all the others. This flag
[INFO] [stdout] 30 | |     /// allows you to set the only extension to use for that purpose.
[INFO] [stdout] 31 | |     #[structopt(short, long, default_value="tif")]
[INFO] [stdout] 32 | |     extension: String,
[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:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let out = PathBuf::from_str(dst).unwrap().join(path.file_name().unwrap().to_str().unwrap());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thumbnails` (bin "thumbnails" test) 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: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Path to the source folder
[INFO] [stdout] 13 | |     src: 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Path to the destination folder
[INFO] [stdout] 15 | |     dst: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Not all files should be considered when processing the images. Actually, we only want to
[INFO] [stdout] 29 | |     /// process those files having a specific extension and leave out all the others. This flag
[INFO] [stdout] 30 | |     /// allows you to set the only extension to use for that purpose.
[INFO] [stdout] 31 | |     #[structopt(short, long, default_value="tif")]
[INFO] [stdout] 32 | |     extension: String,
[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:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let out = PathBuf::from_str(dst).unwrap().join(path.file_name().unwrap().to_str().unwrap());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thumbnails` (bin "thumbnails") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "dfc786a769534a859a9b3c35a2675efbecb1cfefa37b932fc53679d9e05bd988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc786a769534a859a9b3c35a2675efbecb1cfefa37b932fc53679d9e05bd988", kill_on_drop: false }`
[INFO] [stdout] dfc786a769534a859a9b3c35a2675efbecb1cfefa37b932fc53679d9e05bd988