[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] checking das-labor/cand-rs against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/das-labor/cand-rs on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-9/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d442c02d587367de7c4027f85d6a42bba4a5c291a3c3b491cabd4761af68df53
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[INFO] running `Command { std: "docker" "inspect" "d442c02d587367de7c4027f85d6a42bba4a5c291a3c3b491cabd4761af68df53", kill_on_drop: false }`
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[INFO] [stdout] d442c02d587367de7c4027f85d6a42bba4a5c291a3c3b491cabd4761af68df53
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[INFO] [stdout] 05cf7792c976ef8821ff0a37a29747bb8ab6a4cf61dd034cacf6d42aacf772c5
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[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-io v0.3.4
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[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.4
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[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking lab-can-tcp-proto v0.1.0 (/opt/rustwide/workdir/lab-can-tcp-proto)
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking 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: 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: 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: 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: 13 warnings emitted
[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: 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: 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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.28s
[INFO] running `Command { std: "docker" "inspect" "05cf7792c976ef8821ff0a37a29747bb8ab6a4cf61dd034cacf6d42aacf772c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cf7792c976ef8821ff0a37a29747bb8ab6a4cf61dd034cacf6d42aacf772c5", kill_on_drop: false }`
[INFO] [stdout] 05cf7792c976ef8821ff0a37a29747bb8ab6a4cf61dd034cacf6d42aacf772c5