[INFO] cloning repository https://github.com/Harry-Hopkinson/rust-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Harry-Hopkinson/rust-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5126b55319703ebd6148d8126d311938eb4cfd88
[INFO] checking Harry-Hopkinson/rust-gui against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-gui" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Harry-Hopkinson/rust-gui 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/Harry-Hopkinson/rust-gui
[INFO] finished tweaking git repo https://github.com/Harry-Hopkinson/rust-gui
[INFO] tweaked toml for git repo https://github.com/Harry-Hopkinson/rust-gui written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Harry-Hopkinson/rust-gui 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 cmake v0.1.49
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded fltk v1.3.32
[INFO] [stderr]   Downloaded fltk-sys v1.3.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7fa0c87ee28d57ad38584555f75406ea5c557706cfe9414bdd83b6c8c2c4a16d
[INFO] running `Command { std: "docker" "start" "-a" "7fa0c87ee28d57ad38584555f75406ea5c557706cfe9414bdd83b6c8c2c4a16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa0c87ee28d57ad38584555f75406ea5c557706cfe9414bdd83b6c8c2c4a16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa0c87ee28d57ad38584555f75406ea5c557706cfe9414bdd83b6c8c2c4a16d", kill_on_drop: false }`
[INFO] [stdout] 7fa0c87ee28d57ad38584555f75406ea5c557706cfe9414bdd83b6c8c2c4a16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 92e5c9367e59abae1f6381331557821da7fa4c0bd0fb1ca16623bdb019929f11
[INFO] running `Command { std: "docker" "start" "-a" "92e5c9367e59abae1f6381331557821da7fa4c0bd0fb1ca16623bdb019929f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling fltk-sys v1.3.32
[INFO] [stderr]     Checking fltk v1.3.32
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `Calculator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Calculator` should have a snake case name
[INFO] [stdout]    --> src/Calculator.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn Calculator() {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Calculator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Calculator` should have a snake case name
[INFO] [stdout]    --> src/Calculator.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn Calculator() {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.77s
[INFO] running `Command { std: "docker" "inspect" "92e5c9367e59abae1f6381331557821da7fa4c0bd0fb1ca16623bdb019929f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e5c9367e59abae1f6381331557821da7fa4c0bd0fb1ca16623bdb019929f11", kill_on_drop: false }`
[INFO] [stdout] 92e5c9367e59abae1f6381331557821da7fa4c0bd0fb1ca16623bdb019929f11
[INFO] checking Harry-Hopkinson/rust-gui against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-gui" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Harry-Hopkinson/rust-gui 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/Harry-Hopkinson/rust-gui
[INFO] finished tweaking git repo https://github.com/Harry-Hopkinson/rust-gui
[INFO] tweaked toml for git repo https://github.com/Harry-Hopkinson/rust-gui written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Harry-Hopkinson/rust-gui 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a3e452110a952568ebaa2b93544abea27ce8a2376bbb0fd74d64482d80e184d8
[INFO] running `Command { std: "docker" "start" "-a" "a3e452110a952568ebaa2b93544abea27ce8a2376bbb0fd74d64482d80e184d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3e452110a952568ebaa2b93544abea27ce8a2376bbb0fd74d64482d80e184d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e452110a952568ebaa2b93544abea27ce8a2376bbb0fd74d64482d80e184d8", kill_on_drop: false }`
[INFO] [stdout] a3e452110a952568ebaa2b93544abea27ce8a2376bbb0fd74d64482d80e184d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2659139b6d2e596df811e37b40c3b8606465a49026ea44735a949aa361dc84dc
[INFO] running `Command { std: "docker" "start" "-a" "2659139b6d2e596df811e37b40c3b8606465a49026ea44735a949aa361dc84dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling fltk-sys v1.3.32
[INFO] [stderr]     Checking fltk v1.3.32
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `Calculator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Calculator` should have a snake case name
[INFO] [stdout]    --> src/Calculator.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn Calculator() {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Calculator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Calculator` should have a snake case name
[INFO] [stdout]    --> src/Calculator.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn Calculator() {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 50.14s
[INFO] running `Command { std: "docker" "inspect" "2659139b6d2e596df811e37b40c3b8606465a49026ea44735a949aa361dc84dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2659139b6d2e596df811e37b40c3b8606465a49026ea44735a949aa361dc84dc", kill_on_drop: false }`
[INFO] [stdout] 2659139b6d2e596df811e37b40c3b8606465a49026ea44735a949aa361dc84dc