[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcandumprb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcelbuesing/candumprb on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.2.1
[INFO] [stderr]   Downloaded can-dbc v3.0.2
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded derive-getters v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc0fcbcfa879c6a7fafa03354d96e265e0c66a223b08588af575385b2503f95
[INFO] running `Command { std: "docker" "start" "-a" "8cc0fcbcfa879c6a7fafa03354d96e265e0c66a223b08588af575385b2503f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc0fcbcfa879c6a7fafa03354d96e265e0c66a223b08588af575385b2503f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc0fcbcfa879c6a7fafa03354d96e265e0c66a223b08588af575385b2503f95", kill_on_drop: false }`
[INFO] [stdout] 8cc0fcbcfa879c6a7fafa03354d96e265e0c66a223b08588af575385b2503f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b746db86f1e2ea350965e3adf9c7b8e425c732ca4a84b19c989d5f97f0a2ee
[INFO] running `Command { std: "docker" "start" "-a" "45b746db86f1e2ea350965e3adf9c7b8e425c732ca4a84b19c989d5f97f0a2ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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 slab v0.4.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[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] warning: the item `tokio_socketcan` is imported redundantly
[INFO] [stdout]   --> src/bin/candumprb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio_socketcan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ the item `tokio_socketcan` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_socketcan` is imported redundantly
[INFO] [stdout]  --> src/bin/canstatsrb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_socketcan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ the item `tokio_socketcan` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_socketcan` is imported redundantly
[INFO] [stdout]   --> src/bin/candumprb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio_socketcan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ the item `tokio_socketcan` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `can_dbc` is imported redundantly
[INFO] [stdout]  --> src/bin/cangenrb.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use can_dbc::{self, Message};
[INFO] [stdout]   |               ^^^^ the item `can_dbc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `socketcan` is imported redundantly
[INFO] [stdout]  --> src/bin/cangenrb.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use socketcan;
[INFO] [stdout]   |     ^^^^^^^^^ the item `socketcan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio_socketcan` is imported redundantly
[INFO] [stdout]  --> src/bin/canstatsrb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_socketcan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ the item `tokio_socketcan` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `can_dbc` is imported redundantly
[INFO] [stdout]  --> src/bin/cangenrb.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use can_dbc::{self, Message};
[INFO] [stdout]   |               ^^^^ the item `can_dbc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `socketcan` is imported redundantly
[INFO] [stdout]  --> src/bin/cangenrb.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use socketcan;
[INFO] [stdout]   |     ^^^^^^^^^ the item `socketcan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "45b746db86f1e2ea350965e3adf9c7b8e425c732ca4a84b19c989d5f97f0a2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b746db86f1e2ea350965e3adf9c7b8e425c732ca4a84b19c989d5f97f0a2ee", kill_on_drop: false }`
[INFO] [stdout] 45b746db86f1e2ea350965e3adf9c7b8e425c732ca4a84b19c989d5f97f0a2ee