[INFO] cloning repository https://github.com/rdghosal/juniper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdghosal/juniper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdghosal%2Fjuniper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdghosal%2Fjuniper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac47a6573f0c358c1650c2cfcb17c403ce66af33
[INFO] checking rdghosal/juniper against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdghosal%2Fjuniper" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rdghosal/juniper 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/rdghosal/juniper
[INFO] finished tweaking git repo https://github.com/rdghosal/juniper
[INFO] tweaked toml for git repo https://github.com/rdghosal/juniper written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rdghosal/juniper 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d87383a310953fde50e7a6c658ae3479c40fd7fe3170e864347a8e9d2e4781fc
[INFO] running `Command { std: "docker" "start" "-a" "d87383a310953fde50e7a6c658ae3479c40fd7fe3170e864347a8e9d2e4781fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87383a310953fde50e7a6c658ae3479c40fd7fe3170e864347a8e9d2e4781fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87383a310953fde50e7a6c658ae3479c40fd7fe3170e864347a8e9d2e4781fc", kill_on_drop: false }`
[INFO] [stdout] d87383a310953fde50e7a6c658ae3479c40fd7fe3170e864347a8e9d2e4781fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0cf77c0520e2f5cde26f1adcc3080e850392184184fa323dc61dc06dd43927eb
[INFO] running `Command { std: "docker" "start" "-a" "0cf77c0520e2f5cde26f1adcc3080e850392184184fa323dc61dc06dd43927eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking juniper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RecommendedWatcher`
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use notify::{RecommendedWatcher, RecursiveMode, Result, Watcher};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RecommendedWatcher`
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use notify::{RecommendedWatcher, RecursiveMode, Result, Watcher};
[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 2.10s
[INFO] running `Command { std: "docker" "inspect" "0cf77c0520e2f5cde26f1adcc3080e850392184184fa323dc61dc06dd43927eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf77c0520e2f5cde26f1adcc3080e850392184184fa323dc61dc06dd43927eb", kill_on_drop: false }`
[INFO] [stdout] 0cf77c0520e2f5cde26f1adcc3080e850392184184fa323dc61dc06dd43927eb