[INFO] cloning repository https://github.com/Sulaiman-SM/jebr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sulaiman-SM/jebr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSulaiman-SM%2Fjebr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSulaiman-SM%2Fjebr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ebcc9052793a4f8ac1cd51a6af05e25fe6bee14
[INFO] checking Sulaiman-SM/jebr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSulaiman-SM%2Fjebr" "/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/Sulaiman-SM/jebr 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/Sulaiman-SM/jebr
[INFO] finished tweaking git repo https://github.com/Sulaiman-SM/jebr
[INFO] tweaked toml for git repo https://github.com/Sulaiman-SM/jebr written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sulaiman-SM/jebr 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 once_cell v1.7.0
[INFO] [stderr]   Downloaded evalexpr v5.0.5
[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] b2125227a860c814eb2ac2f29a4bce726d4c4425544e21a141f7d9ea29c9b665
[INFO] running `Command { std: "docker" "start" "-a" "b2125227a860c814eb2ac2f29a4bce726d4c4425544e21a141f7d9ea29c9b665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2125227a860c814eb2ac2f29a4bce726d4c4425544e21a141f7d9ea29c9b665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2125227a860c814eb2ac2f29a4bce726d4c4425544e21a141f7d9ea29c9b665", kill_on_drop: false }`
[INFO] [stdout] b2125227a860c814eb2ac2f29a4bce726d4c4425544e21a141f7d9ea29c9b665
[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] e4a197e76b42b3c910a1e824dff3787b8df6429dabcafdd0a7250c6218424354
[INFO] running `Command { std: "docker" "start" "-a" "e4a197e76b42b3c910a1e824dff3787b8df6429dabcafdd0a7250c6218424354", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking evalexpr v5.0.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking jebr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "e4a197e76b42b3c910a1e824dff3787b8df6429dabcafdd0a7250c6218424354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a197e76b42b3c910a1e824dff3787b8df6429dabcafdd0a7250c6218424354", kill_on_drop: false }`
[INFO] [stdout] e4a197e76b42b3c910a1e824dff3787b8df6429dabcafdd0a7250c6218424354
[INFO] checking Sulaiman-SM/jebr against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSulaiman-SM%2Fjebr" "/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/Sulaiman-SM/jebr 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/Sulaiman-SM/jebr
[INFO] finished tweaking git repo https://github.com/Sulaiman-SM/jebr
[INFO] tweaked toml for git repo https://github.com/Sulaiman-SM/jebr written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sulaiman-SM/jebr 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] 370a6bce93d298747bf7795aaccb707c0dd84be6f61ebacf199bdcd8b6dfe78e
[INFO] running `Command { std: "docker" "start" "-a" "370a6bce93d298747bf7795aaccb707c0dd84be6f61ebacf199bdcd8b6dfe78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370a6bce93d298747bf7795aaccb707c0dd84be6f61ebacf199bdcd8b6dfe78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370a6bce93d298747bf7795aaccb707c0dd84be6f61ebacf199bdcd8b6dfe78e", kill_on_drop: false }`
[INFO] [stdout] 370a6bce93d298747bf7795aaccb707c0dd84be6f61ebacf199bdcd8b6dfe78e
[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] 8d5cd4f03b9a261b12d75e7d06b6e66cb053efaed40147c880800d9d82a97aa7
[INFO] running `Command { std: "docker" "start" "-a" "8d5cd4f03b9a261b12d75e7d06b6e66cb053efaed40147c880800d9d82a97aa7", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking evalexpr v5.0.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking jebr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "8d5cd4f03b9a261b12d75e7d06b6e66cb053efaed40147c880800d9d82a97aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5cd4f03b9a261b12d75e7d06b6e66cb053efaed40147c880800d9d82a97aa7", kill_on_drop: false }`
[INFO] [stdout] 8d5cd4f03b9a261b12d75e7d06b6e66cb053efaed40147c880800d9d82a97aa7