[INFO] cloning repository https://github.com/talves/rust-digital-garden [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/talves/rust-digital-garden" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalves%2Frust-digital-garden", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalves%2Frust-digital-garden'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f7319a7ef08a90836252b3c11bce6bd1a5f194b [INFO] checking talves/rust-digital-garden 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%2Ftalves%2Frust-digital-garden" "/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/talves/rust-digital-garden [INFO] finished tweaking git repo https://github.com/talves/rust-digital-garden [INFO] tweaked toml for git repo https://github.com/talves/rust-digital-garden written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/talves/rust-digital-garden 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/talves/rust-digital-garden 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] 475024a53f7da7d2ff91689b49130225cf5121e7d14f8bc16cc4bdcb14094d41 [INFO] running `Command { std: "docker" "start" "-a" "475024a53f7da7d2ff91689b49130225cf5121e7d14f8bc16cc4bdcb14094d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "475024a53f7da7d2ff91689b49130225cf5121e7d14f8bc16cc4bdcb14094d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "475024a53f7da7d2ff91689b49130225cf5121e7d14f8bc16cc4bdcb14094d41", kill_on_drop: false }` [INFO] [stdout] 475024a53f7da7d2ff91689b49130225cf5121e7d14f8bc16cc4bdcb14094d41 [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] 331997b2bb49ad47e3745e991920df4790cdcbe08ab9c95438c1362833168a48 [INFO] running `Command { std: "docker" "start" "-a" "331997b2bb49ad47e3745e991920df4790cdcbe08ab9c95438c1362833168a48", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tracing-subscriber v0.2.17 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking owo-colors v1.4.2 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking directories v3.0.1 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Checking rprompt v1.0.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking assert_fs v1.0.1 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking which v4.0.2 [INFO] [stderr] Checking color-eyre v0.5.10 [INFO] [stderr] Checking edit v0.1.3 [INFO] [stderr] Checking rust-digital-garden v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | / /// [optional] set a Title for what you are going to be writing about [INFO] [stdout] 28 | | #[structopt(short, long)] [INFO] [stdout] 29 | | title: Option, [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 `rust-digital-garden` (bin "garden" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | / /// [optional] set a Title for what you are going to be writing about [INFO] [stdout] 28 | | #[structopt(short, long)] [INFO] [stdout] 29 | | title: Option, [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 `rust-digital-garden` (bin "garden") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "331997b2bb49ad47e3745e991920df4790cdcbe08ab9c95438c1362833168a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "331997b2bb49ad47e3745e991920df4790cdcbe08ab9c95438c1362833168a48", kill_on_drop: false }` [INFO] [stdout] 331997b2bb49ad47e3745e991920df4790cdcbe08ab9c95438c1362833168a48