[INFO] cloning repository https://github.com/jorgehermo9/mrmr-enhanced [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorgehermo9/mrmr-enhanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d995ec5ea41995a55ea6befb2e52890462ebae6 [INFO] checking jorgehermo9/mrmr-enhanced 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%2Fjorgehermo9%2Fmrmr-enhanced" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jorgehermo9/mrmr-enhanced [INFO] finished tweaking git repo https://github.com/jorgehermo9/mrmr-enhanced [INFO] tweaked toml for git repo https://github.com/jorgehermo9/mrmr-enhanced written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jorgehermo9/mrmr-enhanced 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/jorgehermo9/mrmr-enhanced 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 49ea202b9f977732b1e2fd96c5d8d1b2c7d2ef1750bffca81dfc0b0f1f6f5452 [INFO] running `Command { std: "docker" "start" "-a" "49ea202b9f977732b1e2fd96c5d8d1b2c7d2ef1750bffca81dfc0b0f1f6f5452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49ea202b9f977732b1e2fd96c5d8d1b2c7d2ef1750bffca81dfc0b0f1f6f5452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49ea202b9f977732b1e2fd96c5d8d1b2c7d2ef1750bffca81dfc0b0f1f6f5452", kill_on_drop: false }` [INFO] [stdout] 49ea202b9f977732b1e2fd96c5d8d1b2c7d2ef1750bffca81dfc0b0f1f6f5452 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 271139c2b9258e04d66597930fd099b746f48679137dd999334562e00d7ef4fd [INFO] running `Command { std: "docker" "start" "-a" "271139c2b9258e04d66597930fd099b746f48679137dd999334562e00d7ef4fd", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.9 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling semver v1.0.10 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Compiling indexmap v1.9.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking clap_lex v0.2.2 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling clap_derive v3.2.5 [INFO] [stderr] Checking clap v3.2.5 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking k2_tree v0.5.3 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking simba v0.7.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking nalgebra v0.31.0 [INFO] [stderr] Checking nalgebra-sparse v0.7.0 [INFO] [stderr] Checking fed-mrmr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | path: 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 `fed-mrmr` (bin "fed-mrmr" test) due to 7 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | class: 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: Result [INFO] [stdout] --> src/bin/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | output: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | datasets: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | output: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | path: 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/bin/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | class: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | output: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | datasets: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | output: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fed-mrmr` (bin "fed-mrmr") due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "271139c2b9258e04d66597930fd099b746f48679137dd999334562e00d7ef4fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "271139c2b9258e04d66597930fd099b746f48679137dd999334562e00d7ef4fd", kill_on_drop: false }` [INFO] [stdout] 271139c2b9258e04d66597930fd099b746f48679137dd999334562e00d7ef4fd