[INFO] fetching crate md2src 1.1.0... [INFO] checking md2src-1.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate md2src 1.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate md2src 1.1.0 [INFO] finished tweaking crates.io crate md2src 1.1.0 [INFO] tweaked toml for crates.io crate md2src 1.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate md2src 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 md2src 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-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] b95101cdfe252759891ee4c5e507bf367a0a1499fcec08cb1784c3e61024701f [INFO] running `Command { std: "docker" "start" "-a" "b95101cdfe252759891ee4c5e507bf367a0a1499fcec08cb1784c3e61024701f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b95101cdfe252759891ee4c5e507bf367a0a1499fcec08cb1784c3e61024701f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b95101cdfe252759891ee4c5e507bf367a0a1499fcec08cb1784c3e61024701f", kill_on_drop: false }` [INFO] [stdout] b95101cdfe252759891ee4c5e507bf367a0a1499fcec08cb1784c3e61024701f [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] 69a601faf2c8865bcde2e7d4ae93514ef9e69bdf45e48a15a034a92282ccf3e2 [INFO] running `Command { std: "docker" "start" "-a" "69a601faf2c8865bcde2e7d4ae93514ef9e69bdf45e48a15a034a92282ccf3e2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling pulldown-cmark v0.7.2 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking md2src v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | / #[structopt( [INFO] [stdout] 9 | | name = "filename", [INFO] [stdout] 10 | | help = "Markdown file that contains the code snippets" [INFO] [stdout] 11 | | )] [INFO] [stdout] 12 | | pub 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/cli.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / #[structopt( [INFO] [stdout] 14 | | name = "folder", [INFO] [stdout] 15 | | help = "Folder for the code snippets", [INFO] [stdout] 16 | | default_value = "." [INFO] [stdout] 17 | | )] [INFO] [stdout] 18 | | pub folder: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / #[structopt( [INFO] [stdout] 20 | | name = "string", [INFO] [stdout] 21 | | short = "i", [INFO] [stdout] 22 | | long = "ignore", [INFO] [stdout] ... | [INFO] [stdout] 27 | | )] [INFO] [stdout] 28 | | pub ignore: Vec, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[structopt( [INFO] [stdout] 30 | | name = "prefix", [INFO] [stdout] 31 | | short = "p", [INFO] [stdout] 32 | | long = "prefix", [INFO] [stdout] ... | [INFO] [stdout] 36 | | )] [INFO] [stdout] 37 | | pub prefix: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | / #[structopt( [INFO] [stdout] 9 | | name = "filename", [INFO] [stdout] 10 | | help = "Markdown file that contains the code snippets" [INFO] [stdout] 11 | | )] [INFO] [stdout] 12 | | pub 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/cli.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / #[structopt( [INFO] [stdout] 39 | | name = "extension", [INFO] [stdout] 40 | | short = "e", [INFO] [stdout] 41 | | long = "extension", [INFO] [stdout] ... | [INFO] [stdout] 45 | | )] [INFO] [stdout] 46 | | pub ext: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / #[structopt( [INFO] [stdout] 48 | | name = "language", [INFO] [stdout] 49 | | short = "l", [INFO] [stdout] 50 | | long = "language", [INFO] [stdout] ... | [INFO] [stdout] 54 | | )] [INFO] [stdout] 55 | | pub lang: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / #[structopt( [INFO] [stdout] 14 | | name = "folder", [INFO] [stdout] 15 | | help = "Folder for the code snippets", [INFO] [stdout] 16 | | default_value = "." [INFO] [stdout] 17 | | )] [INFO] [stdout] 18 | | pub folder: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / #[structopt( [INFO] [stdout] 20 | | name = "string", [INFO] [stdout] 21 | | short = "i", [INFO] [stdout] 22 | | long = "ignore", [INFO] [stdout] ... | [INFO] [stdout] 27 | | )] [INFO] [stdout] 28 | | pub ignore: Vec, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[structopt( [INFO] [stdout] 30 | | name = "prefix", [INFO] [stdout] 31 | | short = "p", [INFO] [stdout] 32 | | long = "prefix", [INFO] [stdout] ... | [INFO] [stdout] 36 | | )] [INFO] [stdout] 37 | | pub prefix: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / #[structopt( [INFO] [stdout] 39 | | name = "extension", [INFO] [stdout] 40 | | short = "e", [INFO] [stdout] 41 | | long = "extension", [INFO] [stdout] ... | [INFO] [stdout] 45 | | )] [INFO] [stdout] 46 | | pub ext: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / #[structopt( [INFO] [stdout] 48 | | name = "language", [INFO] [stdout] 49 | | short = "l", [INFO] [stdout] 50 | | long = "language", [INFO] [stdout] ... | [INFO] [stdout] 54 | | )] [INFO] [stdout] 55 | | pub lang: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `md2src` (bin "md2src") due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `md2src` (bin "md2src" test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "69a601faf2c8865bcde2e7d4ae93514ef9e69bdf45e48a15a034a92282ccf3e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69a601faf2c8865bcde2e7d4ae93514ef9e69bdf45e48a15a034a92282ccf3e2", kill_on_drop: false }` [INFO] [stdout] 69a601faf2c8865bcde2e7d4ae93514ef9e69bdf45e48a15a034a92282ccf3e2