[INFO] cloning repository https://github.com/das-labor/cand-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/das-labor/cand-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2152b479cf0aabab697ffd79301588b70558622
[INFO] testing das-labor/cand-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/das-labor/cand-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/das-labor/cand-rs
[INFO] finished tweaking git repo https://github.com/das-labor/cand-rs
[INFO] tweaked toml for git repo https://github.com/das-labor/cand-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/das-labor/cand-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e10a62e37e7a250ef4f426432e74129542e1c83b88ec3947e1347250c8502e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e10a62e37e7a250ef4f426432e74129542e1c83b88ec3947e1347250c8502e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e10a62e37e7a250ef4f426432e74129542e1c83b88ec3947e1347250c8502e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e10a62e37e7a250ef4f426432e74129542e1c83b88ec3947e1347250c8502e4", kill_on_drop: false }`
[INFO] [stdout] 7e10a62e37e7a250ef4f426432e74129542e1c83b88ec3947e1347250c8502e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe1c23203d5454117a42579f1820c4057cb590d15af1d777da81d30e348d9c93
[INFO] running `Command { std: "docker" "start" "-a" "fe1c23203d5454117a42579f1820c4057cb590d15af1d777da81d30e348d9c93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling mio-serial v3.3.0
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-serial v4.3.3
[INFO] [stderr]    Compiling lab-can-tcp-proto v0.1.0 (/opt/rustwide/workdir/lab-can-tcp-proto)
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling cand v0.1.0 (/opt/rustwide/workdir/cand)
[INFO] [stdout] warning: unused imports: `CanMessageRaw`, `CanMessage`
[INFO] [stdout]  --> cand/src/can/encap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{CanMessage, CanMessageRaw};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serial`
[INFO] [stdout]   --> cand/src/can/uart.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn canu_init(serial: &str) {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_serial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanAddr`
[INFO] [stdout]  --> cand/src/can.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CanAddr = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanPort`
[INFO] [stdout]  --> cand/src/can.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type CanPort = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanChannel`
[INFO] [stdout]  --> cand/src/can.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type CanChannel = u16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanSubchannel`
[INFO] [stdout]  --> cand/src/can.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type CanSubchannel = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageRaw`
[INFO] [stdout]  --> cand/src/can.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CanMessageRaw {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessage`
[INFO] [stdout]   --> cand/src/can.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CanMessage {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageV2`
[INFO] [stdout]   --> cand/src/can.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CanMessageV2 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CanMode`
[INFO] [stdout]   --> cand/src/can.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum CanMode {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CANURcvState`
[INFO] [stdout]  --> cand/src/can/uart.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum CANURcvState {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RS232CAN_MAXLENGTH`
[INFO] [stdout]  --> cand/src/can/encap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RS232CAN_MAXLENGTH: usize = 20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RS232CanMsg`
[INFO] [stdout]  --> cand/src/can/encap.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct RS232CanMsg {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.81s
[INFO] running `Command { std: "docker" "inspect" "fe1c23203d5454117a42579f1820c4057cb590d15af1d777da81d30e348d9c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1c23203d5454117a42579f1820c4057cb590d15af1d777da81d30e348d9c93", kill_on_drop: false }`
[INFO] [stdout] fe1c23203d5454117a42579f1820c4057cb590d15af1d777da81d30e348d9c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 478f5ef0d35b502ac8115313babc7732aa4034560d76945705f513eb4e946a86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "478f5ef0d35b502ac8115313babc7732aa4034560d76945705f513eb4e946a86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lab-can-tcp-proto v0.1.0 (/opt/rustwide/workdir/lab-can-tcp-proto)
[INFO] [stdout] warning: unused imports: `CanMessageRaw`, `CanMessage`
[INFO] [stdout]  --> cand/src/can/encap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{CanMessage, CanMessageRaw};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cand v0.1.0 (/opt/rustwide/workdir/cand)
[INFO] [stdout] warning: unused variable: `serial`
[INFO] [stdout]   --> cand/src/can/uart.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn canu_init(serial: &str) {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_serial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanAddr`
[INFO] [stdout]  --> cand/src/can.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CanAddr = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanPort`
[INFO] [stdout]  --> cand/src/can.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type CanPort = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanChannel`
[INFO] [stdout]  --> cand/src/can.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type CanChannel = u16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanSubchannel`
[INFO] [stdout]  --> cand/src/can.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type CanSubchannel = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageRaw`
[INFO] [stdout]  --> cand/src/can.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CanMessageRaw {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessage`
[INFO] [stdout]   --> cand/src/can.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CanMessage {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageV2`
[INFO] [stdout]   --> cand/src/can.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CanMessageV2 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CanMode`
[INFO] [stdout]   --> cand/src/can.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum CanMode {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CANURcvState`
[INFO] [stdout]  --> cand/src/can/uart.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum CANURcvState {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RS232CAN_MAXLENGTH`
[INFO] [stdout]  --> cand/src/can/encap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RS232CAN_MAXLENGTH: usize = 20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RS232CanMsg`
[INFO] [stdout]  --> cand/src/can/encap.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct RS232CanMsg {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CanMessageRaw`, `CanMessage`
[INFO] [stdout]  --> cand/src/can/encap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{CanMessage, CanMessageRaw};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serial`
[INFO] [stdout]   --> cand/src/can/uart.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn canu_init(serial: &str) {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_serial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanAddr`
[INFO] [stdout]  --> cand/src/can.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CanAddr = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanPort`
[INFO] [stdout]  --> cand/src/can.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type CanPort = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanChannel`
[INFO] [stdout]  --> cand/src/can.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type CanChannel = u16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `CanSubchannel`
[INFO] [stdout]  --> cand/src/can.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type CanSubchannel = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageRaw`
[INFO] [stdout]  --> cand/src/can.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CanMessageRaw {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessage`
[INFO] [stdout]   --> cand/src/can.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CanMessage {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CanMessageV2`
[INFO] [stdout]   --> cand/src/can.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CanMessageV2 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CanMode`
[INFO] [stdout]   --> cand/src/can.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum CanMode {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CANURcvState`
[INFO] [stdout]  --> cand/src/can/uart.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum CANURcvState {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RS232CAN_MAXLENGTH`
[INFO] [stdout]  --> cand/src/can/encap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RS232CAN_MAXLENGTH: usize = 20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RS232CanMsg`
[INFO] [stdout]  --> cand/src/can/encap.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct RS232CanMsg {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cand-d6e247214c7e52e8)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cand-e43f75f2a476c5c6)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lab_can_tcp_proto-23473904ef34dca6)
[INFO] running `Command { std: "docker" "inspect" "478f5ef0d35b502ac8115313babc7732aa4034560d76945705f513eb4e946a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478f5ef0d35b502ac8115313babc7732aa4034560d76945705f513eb4e946a86", kill_on_drop: false }`
[INFO] [stdout] 478f5ef0d35b502ac8115313babc7732aa4034560d76945705f513eb4e946a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30d6179818eb8b7ea6f092392e92fac3c5d3fc9dbf5767326f0587eb66c2d442
[INFO] running `Command { std: "docker" "start" "-a" "30d6179818eb8b7ea6f092392e92fac3c5d3fc9dbf5767326f0587eb66c2d442", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `CanMessageRaw`, `CanMessage`
[INFO] [stderr]  --> cand/src/can/encap.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{CanMessage, CanMessageRaw};
[INFO] [stderr]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `serial`
[INFO] [stderr]   --> cand/src/can/uart.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn canu_init(serial: &str) {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_serial`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CanAddr`
[INFO] [stderr]  --> cand/src/can.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | type CanAddr = u8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CanPort`
[INFO] [stderr]  --> cand/src/can.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | type CanPort = u8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CanChannel`
[INFO] [stderr]  --> cand/src/can.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type CanChannel = u16;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CanSubchannel`
[INFO] [stderr]  --> cand/src/can.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type CanSubchannel = u8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CanMessageRaw`
[INFO] [stderr]  --> cand/src/can.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct CanMessageRaw {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CanMessage`
[INFO] [stderr]   --> cand/src/can.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct CanMessage {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CanMessageV2`
[INFO] [stderr]   --> cand/src/can.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct CanMessageV2 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CanMode`
[INFO] [stderr]   --> cand/src/can.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 | enum CanMode {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CANURcvState`
[INFO] [stderr]  --> cand/src/can/uart.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum CANURcvState {
[INFO] [stderr]   |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RS232CAN_MAXLENGTH`
[INFO] [stderr]  --> cand/src/can/encap.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const RS232CAN_MAXLENGTH: usize = 20;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RS232CanMsg`
[INFO] [stderr]  --> cand/src/can/encap.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct RS232CanMsg {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cand` (lib) generated 13 warnings
[INFO] [stderr] warning: `cand` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cand-d6e247214c7e52e8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cand-e43f75f2a476c5c6)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lab_can_tcp_proto-23473904ef34dca6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cand
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lab-can-tcp-proto
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30d6179818eb8b7ea6f092392e92fac3c5d3fc9dbf5767326f0587eb66c2d442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d6179818eb8b7ea6f092392e92fac3c5d3fc9dbf5767326f0587eb66c2d442", kill_on_drop: false }`
[INFO] [stdout] 30d6179818eb8b7ea6f092392e92fac3c5d3fc9dbf5767326f0587eb66c2d442