[INFO] fetching crate slb 0.3.1... [INFO] checking slb-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate slb 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate slb 0.3.1 [INFO] finished tweaking crates.io crate slb 0.3.1 [INFO] tweaked toml for crates.io crate slb 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate slb 0.3.1 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 slb 0.3.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2d8b0ee3c597426f2504aba25751f8b199b7f5a42a65d17b445f2eb20dc3e6fb [INFO] running `Command { std: "docker" "start" "-a" "2d8b0ee3c597426f2504aba25751f8b199b7f5a42a65d17b445f2eb20dc3e6fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d8b0ee3c597426f2504aba25751f8b199b7f5a42a65d17b445f2eb20dc3e6fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d8b0ee3c597426f2504aba25751f8b199b7f5a42a65d17b445f2eb20dc3e6fb", kill_on_drop: false }` [INFO] [stdout] 2d8b0ee3c597426f2504aba25751f8b199b7f5a42a65d17b445f2eb20dc3e6fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da850c9a751f8aebd7011d20b3e4e9fac6e31c3578b8c2d20db14248cce4391c [INFO] running `Command { std: "docker" "start" "-a" "da850c9a751f8aebd7011d20b3e4e9fac6e31c3578b8c2d20db14248cce4391c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking slb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | / /// A flat-map pure function, which is a bash command line string [INFO] [stdout] 69 | | /// that performs line-by-line operations on the input to emit [INFO] [stdout] 70 | | /// output lines for reduction. [INFO] [stdout] 71 | | /// [INFO] [stdout] 72 | | /// By default, this is just the identity, equivalent to `cat`. [INFO] [stdout] 73 | | #[structopt(long)] [INFO] [stdout] 74 | | mapper: Option, [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/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | / /// A flat-map pure function, which is a bash command line string [INFO] [stdout] 69 | | /// that performs line-by-line operations on the input to emit [INFO] [stdout] 70 | | /// output lines for reduction. [INFO] [stdout] 71 | | /// [INFO] [stdout] 72 | | /// By default, this is just the identity, equivalent to `cat`. [INFO] [stdout] 73 | | #[structopt(long)] [INFO] [stdout] 74 | | mapper: Option, [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/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | / /// The folder function. [INFO] [stdout] 77 | | /// [INFO] [stdout] 78 | | /// Multiple instances of this same process are created with the same [INFO] [stdout] 79 | | /// command-line string. Text lines from mapper output are fed [INFO] [stdout] ... | [INFO] [stdout] 82 | | #[structopt(long)] [INFO] [stdout] 83 | | folder: String, [INFO] [stdout] | |__________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | / /// The folder function. [INFO] [stdout] 77 | | /// [INFO] [stdout] 78 | | /// Multiple instances of this same process are created with the same [INFO] [stdout] 79 | | /// command-line string. Text lines from mapper output are fed [INFO] [stdout] ... | [INFO] [stdout] 82 | | #[structopt(long)] [INFO] [stdout] 83 | | folder: String, [INFO] [stdout] | |__________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / /// The input files to read lines from. [INFO] [stdout] 86 | | #[structopt(long)] [INFO] [stdout] 87 | | infile: Vec, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | / /// The input files to read lines from. [INFO] [stdout] 86 | | #[structopt(long)] [INFO] [stdout] 87 | | infile: Vec, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | / /// Output file prefixes. [INFO] [stdout] 90 | | #[structopt(long)] [INFO] [stdout] 91 | | outprefix: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | / /// Output file prefixes. [INFO] [stdout] 90 | | #[structopt(long)] [INFO] [stdout] 91 | | outprefix: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `slb` (bin "slb") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `slb` (bin "slb" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "da850c9a751f8aebd7011d20b3e4e9fac6e31c3578b8c2d20db14248cce4391c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da850c9a751f8aebd7011d20b3e4e9fac6e31c3578b8c2d20db14248cce4391c", kill_on_drop: false }` [INFO] [stdout] da850c9a751f8aebd7011d20b3e4e9fac6e31c3578b8c2d20db14248cce4391c