[INFO] cloning repository https://github.com/marcelbuesing/candumprb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcelbuesing/candumprb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcandumprb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcandumprb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bac6898d0772ad7c940725d6eaa6ad8915e8044
[INFO] checking marcelbuesing/candumprb against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcandumprb" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marcelbuesing/candumprb
[INFO] finished tweaking git repo https://github.com/marcelbuesing/candumprb
[INFO] tweaked toml for git repo https://github.com/marcelbuesing/candumprb written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marcelbuesing/candumprb 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 git repo https://github.com/marcelbuesing/candumprb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb69c3ddd5db9a43e34623ed559876ba5c79be87f3a738256c5a7588f983067a
[INFO] running `Command { std: "docker" "start" "-a" "cb69c3ddd5db9a43e34623ed559876ba5c79be87f3a738256c5a7588f983067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb69c3ddd5db9a43e34623ed559876ba5c79be87f3a738256c5a7588f983067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb69c3ddd5db9a43e34623ed559876ba5c79be87f3a738256c5a7588f983067a", kill_on_drop: false }`
[INFO] [stdout] cb69c3ddd5db9a43e34623ed559876ba5c79be87f3a738256c5a7588f983067a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4d3e72932c4b3c75a9ee9c92f39fc8eb359aca243f7b80f75a5728563c90d00a
[INFO] running `Command { std: "docker" "start" "-a" "4d3e72932c4b3c75a9ee9c92f39fc8eb359aca243f7b80f75a5728563c90d00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling derive-getters v0.1.1
[INFO] [stderr]     Checking can-dbc v3.0.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-socketcan v0.3.0
[INFO] [stderr]     Checking canutils v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/canstatsrb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Set can interface
[INFO] [stdout] 11 | |     #[structopt(help = "socketcan CAN interface e.g. vcan0")]
[INFO] [stdout] 12 | |     can_interface: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canutils` (bin "canstatsrb" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/cangenrb.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     /// Only generate messages of the given transmitter (sending node)
[INFO] [stdout] 46 | |     #[structopt(long = "transmitter")]
[INFO] [stdout] 47 | |     transmitter: Option<String>,
[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: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/cangenrb.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Only generate messages for the given receiver (receiving node)
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     can_interface: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/canstatsrb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Set can interface
[INFO] [stdout] 11 | |     #[structopt(help = "socketcan CAN interface e.g. vcan0")]
[INFO] [stdout] 12 | |     can_interface: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canutils` (bin "canstatsrb") due to 1 previous error
[INFO] [stdout] warning: constant `COLOR_OFFSET` is never used
[INFO] [stdout]   --> src/bin/candumprb.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const COLOR_OFFSET: Color = Fixed(242); // grey
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_char` is never used
[INFO] [stdout]   --> src/bin/candumprb.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Byte {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn as_char(self) -> char {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canutils` (bin "cangenrb" test) due to 2 previous errors
[INFO] [stdout] warning: constant `COLOR_OFFSET` is never used
[INFO] [stdout]   --> src/bin/candumprb.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const COLOR_OFFSET: Color = Fixed(242); // grey
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_char` is never used
[INFO] [stdout]   --> src/bin/candumprb.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Byte {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn as_char(self) -> char {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/cangenrb.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     /// Only generate messages of the given transmitter (sending node)
[INFO] [stdout] 46 | |     #[structopt(long = "transmitter")]
[INFO] [stdout] 47 | |     transmitter: Option<String>,
[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: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/cangenrb.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Only generate messages for the given receiver (receiving node)
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     can_interface: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/candumprb.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | /     /// Set can interface
[INFO] [stdout] 92 | |     #[structopt(help = "socketcan CAN interface e.g. vcan0")]
[INFO] [stdout] 93 | |     can_interface: String,
[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: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/candumprb.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | /     /// Set can interface
[INFO] [stdout] 92 | |     #[structopt(help = "socketcan CAN interface e.g. vcan0")]
[INFO] [stdout] 93 | |     can_interface: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canutils` (bin "candumprb" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] error: could not compile `canutils` (bin "candumprb") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] error: could not compile `canutils` (bin "cangenrb") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d3e72932c4b3c75a9ee9c92f39fc8eb359aca243f7b80f75a5728563c90d00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3e72932c4b3c75a9ee9c92f39fc8eb359aca243f7b80f75a5728563c90d00a", kill_on_drop: false }`
[INFO] [stdout] 4d3e72932c4b3c75a9ee9c92f39fc8eb359aca243f7b80f75a5728563c90d00a