[INFO] cloning repository https://github.com/jveiga/can-bus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jveiga/can-bus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fcan-bus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fcan-bus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea0b05867c765efe19099fc0e1fc98631d737f19
[INFO] testing jveiga/can-bus against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fcan-bus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jveiga/can-bus
[INFO] finished tweaking git repo https://github.com/jveiga/can-bus
[INFO] tweaked toml for git repo https://github.com/jveiga/can-bus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jveiga/can-bus on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jveiga/can-bus 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d41ae4cf177c7a291e6513655b440f9d97e6cd3447aba1651da3632a8d811e48
[INFO] running `Command { std: "docker" "start" "-a" "d41ae4cf177c7a291e6513655b440f9d97e6cd3447aba1651da3632a8d811e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41ae4cf177c7a291e6513655b440f9d97e6cd3447aba1651da3632a8d811e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41ae4cf177c7a291e6513655b440f9d97e6cd3447aba1651da3632a8d811e48", kill_on_drop: false }`
[INFO] [stdout] d41ae4cf177c7a291e6513655b440f9d97e6cd3447aba1651da3632a8d811e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b363acbe58c4c649466664b1aa2588595cff1485521ecd75e97e81f8509233c8
[INFO] running `Command { std: "docker" "start" "-a" "b363acbe58c4c649466664b1aa2588595cff1485521ecd75e97e81f8509233c8", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Err` is never used
[INFO] [stdout]   --> parser/src/lib.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Err {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sign` is never used
[INFO] [stdout]   --> parser/src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Sign{
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Order` is never used
[INFO] [stdout]   --> parser/src/lib.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Order {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> parser/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Definition {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> parser/src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_message<'input>(inp: &'input [u8]) -> Result<(&'input [u8], Definition), Err> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "b363acbe58c4c649466664b1aa2588595cff1485521ecd75e97e81f8509233c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b363acbe58c4c649466664b1aa2588595cff1485521ecd75e97e81f8509233c8", kill_on_drop: false }`
[INFO] [stdout] b363acbe58c4c649466664b1aa2588595cff1485521ecd75e97e81f8509233c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf9f72039851290f11893dbb9f677161c3e4be25cd71ec3047bd3ebf76bf9b1
[INFO] running `Command { std: "docker" "start" "-a" "6bf9f72039851290f11893dbb9f677161c3e4be25cd71ec3047bd3ebf76bf9b1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Err` is never used
[INFO] [stdout]   --> parser/src/lib.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Err {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sign` is never used
[INFO] [stdout]   --> parser/src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Sign{
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Order` is never used
[INFO] [stdout]   --> parser/src/lib.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Order {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> parser/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Definition {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> parser/src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_message<'input>(inp: &'input [u8]) -> Result<(&'input [u8], Definition), Err> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `(&[u8], Definition)`
[INFO] [stdout]    --> parser/src/lib.rs:137:40
[INFO] [stdout]     |
[INFO] [stdout] 137 |             parse_message(msg).unwrap()[0],
[INFO] [stdout]     |                                        ^^^ help: to access tuple element `0`, use: `.0`
[INFO] [stdout]     |
[INFO] [stdout]     = help: tuples are indexed with a dot and a literal index: `tuple.0`, `tuple.1`, etc.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_id2`
[INFO] [stdout]    --> parser/src/lib.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (tail, msg_id2) =
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0608`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6bf9f72039851290f11893dbb9f677161c3e4be25cd71ec3047bd3ebf76bf9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf9f72039851290f11893dbb9f677161c3e4be25cd71ec3047bd3ebf76bf9b1", kill_on_drop: false }`
[INFO] [stdout] 6bf9f72039851290f11893dbb9f677161c3e4be25cd71ec3047bd3ebf76bf9b1
