[INFO] cloning repository https://github.com/exokernel/parallel-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exokernel/parallel-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexokernel%2Fparallel-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexokernel%2Fparallel-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b68792aac3a281f421340036f9fde3d5c11ba80 [INFO] checking exokernel/parallel-test 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%2Fexokernel%2Fparallel-test" "/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/exokernel/parallel-test [INFO] finished tweaking git repo https://github.com/exokernel/parallel-test [INFO] tweaked toml for git repo https://github.com/exokernel/parallel-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/exokernel/parallel-test 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.8) [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] 9cbbb00eb37b417fd1cfa6e4309d4d4c096e3b3f9c783e52ac10c0920566198f [INFO] running `Command { std: "docker" "start" "-a" "9cbbb00eb37b417fd1cfa6e4309d4d4c096e3b3f9c783e52ac10c0920566198f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cbbb00eb37b417fd1cfa6e4309d4d4c096e3b3f9c783e52ac10c0920566198f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cbbb00eb37b417fd1cfa6e4309d4d4c096e3b3f9c783e52ac10c0920566198f", kill_on_drop: false }` [INFO] [stdout] 9cbbb00eb37b417fd1cfa6e4309d4d4c096e3b3f9c783e52ac10c0920566198f [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] 5ec121facbdc2d9c7e383b0f54954d045ee539a91bcfc8aea08d993ac34089a4 [INFO] running `Command { std: "docker" "start" "-a" "5ec121facbdc2d9c7e383b0f54954d045ee539a91bcfc8aea08d993ac34089a4", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Compiling signal-hook v0.3.18 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Checking humantime v2.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking pfp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// List of extensions delimited by commas. Only files ending in these extensions [INFO] [stdout] 23 | | /// will be processed. E.g. -e "mp4,flv" [INFO] [stdout] 24 | | /// If this option is not provided then all files under the input_path will be processed [INFO] [stdout] 25 | | #[structopt(short,long)] [INFO] [stdout] 26 | | extensions: 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:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / /// Shell command or script to run in parallel [INFO] [stdout] 45 | | #[structopt(short, long)] [INFO] [stdout] 46 | | script: Option, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// List of extensions delimited by commas. Only files ending in these extensions [INFO] [stdout] 23 | | /// will be processed. E.g. -e "mp4,flv" [INFO] [stdout] 24 | | /// If this option is not provided then all files under the input_path will be processed [INFO] [stdout] 25 | | #[structopt(short,long)] [INFO] [stdout] 26 | | extensions: 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:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | / /// Directory to read files from [INFO] [stdout] 49 | | input_path: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / /// Shell command or script to run in parallel [INFO] [stdout] 45 | | #[structopt(short, long)] [INFO] [stdout] 46 | | script: Option, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | / /// Directory to read files from [INFO] [stdout] 49 | | input_path: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pfp` (bin "pfp") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `pfp` (bin "pfp" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5ec121facbdc2d9c7e383b0f54954d045ee539a91bcfc8aea08d993ac34089a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ec121facbdc2d9c7e383b0f54954d045ee539a91bcfc8aea08d993ac34089a4", kill_on_drop: false }` [INFO] [stdout] 5ec121facbdc2d9c7e383b0f54954d045ee539a91bcfc8aea08d993ac34089a4