[INFO] cloning repository https://github.com/lacop/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lacop/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flacop%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flacop%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5eaf8ef9d4a1ed90e300f60129b3014334a5fa62 [INFO] checking lacop/pngme 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%2Flacop%2Fpngme" "/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/lacop/pngme [INFO] finished tweaking git repo https://github.com/lacop/pngme [INFO] tweaked toml for git repo https://github.com/lacop/pngme written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lacop/pngme 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/lacop/pngme 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] d73ef8cd5369f34e9b59bf46869376525c20dc9acf480af8704a0edec835fca8 [INFO] running `Command { std: "docker" "start" "-a" "d73ef8cd5369f34e9b59bf46869376525c20dc9acf480af8704a0edec835fca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d73ef8cd5369f34e9b59bf46869376525c20dc9acf480af8704a0edec835fca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d73ef8cd5369f34e9b59bf46869376525c20dc9acf480af8704a0edec835fca8", kill_on_drop: false }` [INFO] [stdout] d73ef8cd5369f34e9b59bf46869376525c20dc9acf480af8704a0edec835fca8 [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] 8b273c1b47743b75357e4bb92416326a703a05fa026416f79c69c949b9465d41 [INFO] running `Command { std: "docker" "start" "-a" "8b273c1b47743b75357e4bb92416326a703a05fa026416f79c69c949b9465d41", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking crc-catalog v2.1.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking crc v3.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Checking clap_lex v0.2.3 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking clap v3.2.6 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | file: 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 [INFO] [stdout] --> src/args.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | output_file: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 9 previous errors [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 9 previous errors [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | output_file: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8b273c1b47743b75357e4bb92416326a703a05fa026416f79c69c949b9465d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b273c1b47743b75357e4bb92416326a703a05fa026416f79c69c949b9465d41", kill_on_drop: false }` [INFO] [stdout] 8b273c1b47743b75357e4bb92416326a703a05fa026416f79c69c949b9465d41