[INFO] cloning repository https://github.com/johnf9896/onyx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnf9896/onyx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Fonyx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Fonyx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1581060c1900728d8e3703319ddd0b0d9e5d6d4c
[INFO] checking johnf9896/onyx against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Fonyx" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnf9896/onyx 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/johnf9896/onyx
[INFO] finished tweaking git repo https://github.com/johnf9896/onyx
[INFO] tweaked toml for git repo https://github.com/johnf9896/onyx written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnf9896/onyx 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]  Downloading crates ...
[INFO] [stderr]   Downloaded promptly v0.1.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.42
[INFO] [stderr]   Downloaded console v0.7.0
[INFO] [stderr]   Downloaded smallvec v0.6.6
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.7
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded clicolors-control v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0d451e334d46c30dcb827c8f92a608c9dae136d92fdca447c98507023a365329
[INFO] running `Command { std: "docker" "start" "-a" "0d451e334d46c30dcb827c8f92a608c9dae136d92fdca447c98507023a365329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d451e334d46c30dcb827c8f92a608c9dae136d92fdca447c98507023a365329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d451e334d46c30dcb827c8f92a608c9dae136d92fdca447c98507023a365329", kill_on_drop: false }`
[INFO] [stdout] 0d451e334d46c30dcb827c8f92a608c9dae136d92fdca447c98507023a365329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a7ce28faa4700f0a99378b2423fea702e5e5c69711ff3ec5bfaf5df89cd07221
[INFO] running `Command { std: "docker" "start" "-a" "a7ce28faa4700f0a99378b2423fea702e5e5c69711ff3ec5bfaf5df89cd07221", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v0.3.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking promptly v0.1.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking console v0.7.0
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]     Checking onyx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/project.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/project.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/project.rs:589:17
[INFO] [stdout]     |
[INFO] [stdout] 589 |             let mut included = ProjectInclude {
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/project.rs:589:17
[INFO] [stdout]     |
[INFO] [stdout] 589 |             let mut included = ProjectInclude {
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "a7ce28faa4700f0a99378b2423fea702e5e5c69711ff3ec5bfaf5df89cd07221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ce28faa4700f0a99378b2423fea702e5e5c69711ff3ec5bfaf5df89cd07221", kill_on_drop: false }`
[INFO] [stdout] a7ce28faa4700f0a99378b2423fea702e5e5c69711ff3ec5bfaf5df89cd07221