[INFO] cloning repository https://github.com/CornSnek/cube_combination_reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CornSnek/cube_combination_reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCornSnek%2Fcube_combination_reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCornSnek%2Fcube_combination_reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52e6518db21965ecc8e02ac9b0fde50e2f97a91f
[INFO] checking CornSnek/cube_combination_reader against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCornSnek%2Fcube_combination_reader" "/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/CornSnek/cube_combination_reader 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/CornSnek/cube_combination_reader
[INFO] finished tweaking git repo https://github.com/CornSnek/cube_combination_reader
[INFO] tweaked toml for git repo https://github.com/CornSnek/cube_combination_reader written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CornSnek/cube_combination_reader 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 git repository `https://github.com/fltk-rs/fltk-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/MoAlyousef/cfltk`
[INFO] [stderr]     Updating git submodule `https://github.com/MoAlyousef/FL_FLex`
[INFO] [stderr]     Updating git submodule `https://github.com/fltk/fltk`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v3.0.8
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded rustyline v10.0.0
[INFO] [stderr]   Downloaded ttf-parser v0.17.1
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded rustix v0.36.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.2
[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] 9669e60a20a1894f37c5ba5e78179856dff6dc0cfb857d36df1fc44521212b3e
[INFO] running `Command { std: "docker" "start" "-a" "9669e60a20a1894f37c5ba5e78179856dff6dc0cfb857d36df1fc44521212b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9669e60a20a1894f37c5ba5e78179856dff6dc0cfb857d36df1fc44521212b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9669e60a20a1894f37c5ba5e78179856dff6dc0cfb857d36df1fc44521212b3e", kill_on_drop: false }`
[INFO] [stdout] 9669e60a20a1894f37c5ba5e78179856dff6dc0cfb857d36df1fc44521212b3e
[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] 12ee7f4a8867a47ae7074c8bbc837206863555c7f6061f28b555269959b303aa
[INFO] running `Command { std: "docker" "start" "-a" "12ee7f4a8867a47ae7074c8bbc837206863555c7f6061f28b555269959b303aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling rustix v0.36.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling fltk-sys v1.3.20 (https://github.com/fltk-rs/fltk-rs#c77c35af)
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.8
[INFO] [stderr]     Checking rustyline v10.0.0
[INFO] [stderr]     Checking fltk v1.3.20 (https://github.com/fltk-rs/fltk-rs#c77c35af)
[INFO] [stderr]     Checking cube_combination_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `WidgetExt` is imported redundantly
[INFO] [stdout]   --> src/cube/fltk_ui.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use fltk::{app::{self, App}, prelude::*, window::Window};
[INFO] [stdout]    |                              ---------- the item `WidgetExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use fltk::prelude::WidgetExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WidgetExt` is imported redundantly
[INFO] [stdout]   --> src/cube/fltk_ui.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use fltk::{app::{self, App}, prelude::*, window::Window};
[INFO] [stdout]    |                              ---------- the item `WidgetExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use fltk::prelude::WidgetExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "12ee7f4a8867a47ae7074c8bbc837206863555c7f6061f28b555269959b303aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ee7f4a8867a47ae7074c8bbc837206863555c7f6061f28b555269959b303aa", kill_on_drop: false }`
[INFO] [stdout] 12ee7f4a8867a47ae7074c8bbc837206863555c7f6061f28b555269959b303aa
[INFO] checking CornSnek/cube_combination_reader against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCornSnek%2Fcube_combination_reader" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CornSnek/cube_combination_reader on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CornSnek/cube_combination_reader
[INFO] finished tweaking git repo https://github.com/CornSnek/cube_combination_reader
[INFO] tweaked toml for git repo https://github.com/CornSnek/cube_combination_reader written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CornSnek/cube_combination_reader 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc6756ab0c96e0df8e0b40dfaa3239fcae33daedab8d43e53aa497d7ac367ba
[INFO] running `Command { std: "docker" "start" "-a" "0fc6756ab0c96e0df8e0b40dfaa3239fcae33daedab8d43e53aa497d7ac367ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc6756ab0c96e0df8e0b40dfaa3239fcae33daedab8d43e53aa497d7ac367ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc6756ab0c96e0df8e0b40dfaa3239fcae33daedab8d43e53aa497d7ac367ba", kill_on_drop: false }`
[INFO] [stdout] 0fc6756ab0c96e0df8e0b40dfaa3239fcae33daedab8d43e53aa497d7ac367ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9792f5f686abf9f30bc03d2aca34a8053509cf7037486d7b6af6caebc5ef4fbf
[INFO] running `Command { std: "docker" "start" "-a" "9792f5f686abf9f30bc03d2aca34a8053509cf7037486d7b6af6caebc5ef4fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling rustix v0.36.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]    Compiling fltk-sys v1.3.20 (https://github.com/fltk-rs/fltk-rs#c77c35af)
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.8
[INFO] [stderr]     Checking rustyline v10.0.0
[INFO] [stderr]     Checking fltk v1.3.20 (https://github.com/fltk-rs/fltk-rs#c77c35af)
[INFO] [stderr]     Checking cube_combination_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `WidgetExt` is imported redundantly
[INFO] [stdout]   --> src/cube/fltk_ui.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use fltk::{app::{self, App}, prelude::*, window::Window};
[INFO] [stdout]    |                              ---------- the item `WidgetExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use fltk::prelude::WidgetExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WidgetExt` is imported redundantly
[INFO] [stdout]   --> src/cube/fltk_ui.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use fltk::{app::{self, App}, prelude::*, window::Window};
[INFO] [stdout]    |                              ---------- the item `WidgetExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use fltk::prelude::WidgetExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "9792f5f686abf9f30bc03d2aca34a8053509cf7037486d7b6af6caebc5ef4fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9792f5f686abf9f30bc03d2aca34a8053509cf7037486d7b6af6caebc5ef4fbf", kill_on_drop: false }`
[INFO] [stdout] 9792f5f686abf9f30bc03d2aca34a8053509cf7037486d7b6af6caebc5ef4fbf