[INFO] fetching crate remote_serial 1.0.9... [INFO] checking remote_serial-1.0.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate remote_serial 1.0.9 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config [INFO] started tweaking crates.io crate remote_serial 1.0.9 [INFO] finished tweaking crates.io crate remote_serial 1.0.9 [INFO] tweaked toml for crates.io crate remote_serial 1.0.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate remote_serial 1.0.9 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 remote_serial 1.0.9 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aab3e8fba7f3d1a5f7a5b1188c498849b749b8e30a6420a7193301b5ed91119a [INFO] running `Command { std: "docker" "start" "-a" "aab3e8fba7f3d1a5f7a5b1188c498849b749b8e30a6420a7193301b5ed91119a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aab3e8fba7f3d1a5f7a5b1188c498849b749b8e30a6420a7193301b5ed91119a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aab3e8fba7f3d1a5f7a5b1188c498849b749b8e30a6420a7193301b5ed91119a", kill_on_drop: false }` [INFO] [stdout] aab3e8fba7f3d1a5f7a5b1188c498849b749b8e30a6420a7193301b5ed91119a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c4fda23abed8bd9bb3fffaf9b42da76fc1d921ee633779c73c6a35ddfa12dc01 [INFO] running `Command { std: "docker" "start" "-a" "c4fda23abed8bd9bb3fffaf9b42da76fc1d921ee633779c73c6a35ddfa12dc01", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking local_ipaddress v0.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking tokio-serial v4.3.3 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking remote_serial v1.0.9 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / /// Filter based on name of device [INFO] [stdout] 45 | | #[structopt(short, long)] [INFO] [stdout] 46 | | device: 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: std::result::Result [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | / /// remote server ip:port. [INFO] [stdout] 53 | | #[structopt(short, long)] [INFO] [stdout] 54 | | server: Option, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `remote_serial` (bin "remote_serial" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / /// Filter based on name of device [INFO] [stdout] 45 | | #[structopt(short, long)] [INFO] [stdout] 46 | | device: 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: std::result::Result [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | / /// remote server ip:port. [INFO] [stdout] 53 | | #[structopt(short, long)] [INFO] [stdout] 54 | | server: Option, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `remote_serial` (bin "remote_serial") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c4fda23abed8bd9bb3fffaf9b42da76fc1d921ee633779c73c6a35ddfa12dc01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4fda23abed8bd9bb3fffaf9b42da76fc1d921ee633779c73c6a35ddfa12dc01", kill_on_drop: false }` [INFO] [stdout] c4fda23abed8bd9bb3fffaf9b42da76fc1d921ee633779c73c6a35ddfa12dc01