[INFO] fetching crate rics 0.2.2...
[INFO] checking rics-0.2.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate rics 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rics 0.2.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rics 0.2.2
[INFO] finished tweaking crates.io crate rics 0.2.2
[INFO] tweaked toml for crates.io crate rics 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate rics 0.2.2 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded socketcan v1.7.0
[INFO] [stderr]   Downloaded protobuf v2.18.1
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded rlua v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e73b70ccbe5f5cf7033dabb63befe9cff9b973f60838519dbbf72a8a6eac2ae9
[INFO] running `Command { std: "docker" "start" "-a" "e73b70ccbe5f5cf7033dabb63befe9cff9b973f60838519dbbf72a8a6eac2ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73b70ccbe5f5cf7033dabb63befe9cff9b973f60838519dbbf72a8a6eac2ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73b70ccbe5f5cf7033dabb63befe9cff9b973f60838519dbbf72a8a6eac2ae9", kill_on_drop: false }`
[INFO] [stdout] e73b70ccbe5f5cf7033dabb63befe9cff9b973f60838519dbbf72a8a6eac2ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13f22809d35cb71eb804691a10200c16747979039ef1d59cee6d08c02b5e416d
[INFO] running `Command { std: "docker" "start" "-a" "13f22809d35cb71eb804691a10200c16747979039ef1d59cee6d08c02b5e416d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling rics v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> build.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/rics.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/rics.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/rics.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/rics.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerBox` is never constructed
[INFO] [stdout]    --> src/script.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct ServerBox {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_sink` is never used
[INFO] [stdout]    --> src/host.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 42  | impl ServerState {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn new_sink(&mut self, os: Arc<Mutex<dyn Write + Send + Sync>>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rics` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ServerBox` is never constructed
[INFO] [stdout]    --> src/script.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct ServerBox {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_sink` is never used
[INFO] [stdout]    --> src/host.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 42  | impl ServerState {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn new_sink(&mut self, os: Arc<Mutex<dyn Write + Send + Sync>>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rics` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "13f22809d35cb71eb804691a10200c16747979039ef1d59cee6d08c02b5e416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f22809d35cb71eb804691a10200c16747979039ef1d59cee6d08c02b5e416d", kill_on_drop: false }`
[INFO] [stdout] 13f22809d35cb71eb804691a10200c16747979039ef1d59cee6d08c02b5e416d