[INFO] cloning repository https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winksaville/exper_dynamic_crossbeam_channel_select" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03bbf7acdb59f73610f192e5ccc1381d4b22b2bd
[INFO] checking winksaville/exper_dynamic_crossbeam_channel_select against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select" "/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/winksaville/exper_dynamic_crossbeam_channel_select 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/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] finished tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] tweaked toml for git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select 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-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] da917c456f096b80d153bd5ce694b51b2e7de7bd6d9a8988fa1272c01ef11223
[INFO] running `Command { std: "docker" "start" "-a" "da917c456f096b80d153bd5ce694b51b2e7de7bd6d9a8988fa1272c01ef11223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da917c456f096b80d153bd5ce694b51b2e7de7bd6d9a8988fa1272c01ef11223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da917c456f096b80d153bd5ce694b51b2e7de7bd6d9a8988fa1272c01ef11223", kill_on_drop: false }`
[INFO] [stdout] da917c456f096b80d153bd5ce694b51b2e7de7bd6d9a8988fa1272c01ef11223
[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] 67ddc67b42549f3b63a0212dc1085ebbb47b118bf9d4165fcce98333d8cb9a94
[INFO] running `Command { std: "docker" "start" "-a" "67ddc67b42549f3b63a0212dc1085ebbb47b118bf9d4165fcce98333d8cb9a94", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking exper_dynamic_crossbeam_channel_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "67ddc67b42549f3b63a0212dc1085ebbb47b118bf9d4165fcce98333d8cb9a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ddc67b42549f3b63a0212dc1085ebbb47b118bf9d4165fcce98333d8cb9a94", kill_on_drop: false }`
[INFO] [stdout] 67ddc67b42549f3b63a0212dc1085ebbb47b118bf9d4165fcce98333d8cb9a94
[INFO] checking winksaville/exper_dynamic_crossbeam_channel_select against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select" "/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/winksaville/exper_dynamic_crossbeam_channel_select 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/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] finished tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] tweaked toml for git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select 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] 15de240d2818bc85ca9cdc794e1c4be73b391f7772570cdd5a8dbdefb4398420
[INFO] running `Command { std: "docker" "start" "-a" "15de240d2818bc85ca9cdc794e1c4be73b391f7772570cdd5a8dbdefb4398420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15de240d2818bc85ca9cdc794e1c4be73b391f7772570cdd5a8dbdefb4398420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15de240d2818bc85ca9cdc794e1c4be73b391f7772570cdd5a8dbdefb4398420", kill_on_drop: false }`
[INFO] [stdout] 15de240d2818bc85ca9cdc794e1c4be73b391f7772570cdd5a8dbdefb4398420
[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] b76d45a531bf987883cf11158811ae2c6fa43ff9959c3cef5283a59fec1410e2
[INFO] running `Command { std: "docker" "start" "-a" "b76d45a531bf987883cf11158811ae2c6fa43ff9959c3cef5283a59fec1410e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking exper_dynamic_crossbeam_channel_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "b76d45a531bf987883cf11158811ae2c6fa43ff9959c3cef5283a59fec1410e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76d45a531bf987883cf11158811ae2c6fa43ff9959c3cef5283a59fec1410e2", kill_on_drop: false }`
[INFO] [stdout] b76d45a531bf987883cf11158811ae2c6fa43ff9959c3cef5283a59fec1410e2