[INFO] cloning repository https://github.com/0xD21F/qdollar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xD21F/qdollar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xD21F%2Fqdollar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xD21F%2Fqdollar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3601ef2a4eb4ec8fc766a37718398b84ef7b050d
[INFO] checking 0xD21F/qdollar against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xD21F%2Fqdollar" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xD21F/qdollar 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/0xD21F/qdollar
[INFO] finished tweaking git repo https://github.com/0xD21F/qdollar
[INFO] tweaked toml for git repo https://github.com/0xD21F/qdollar written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xD21F/qdollar 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded itoa v1.0.10
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded serde_json v1.0.114
[INFO] [stderr]   Downloaded syn v2.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e619b55bce4bd436f5f95c463834ab92c7b8866d783d316678e5d48b73f0d492
[INFO] running `Command { std: "docker" "start" "-a" "e619b55bce4bd436f5f95c463834ab92c7b8866d783d316678e5d48b73f0d492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e619b55bce4bd436f5f95c463834ab92c7b8866d783d316678e5d48b73f0d492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e619b55bce4bd436f5f95c463834ab92c7b8866d783d316678e5d48b73f0d492", kill_on_drop: false }`
[INFO] [stdout] e619b55bce4bd436f5f95c463834ab92c7b8866d783d316678e5d48b73f0d492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ce5d0c6c4377a2986ea6a029ec637bc380f6d4a2e0240f9d1d2ee1c0eefe3f4c
[INFO] running `Command { std: "docker" "start" "-a" "ce5d0c6c4377a2986ea6a029ec637bc380f6d4a2e0240f9d1d2ee1c0eefe3f4c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking qdollar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ce5d0c6c4377a2986ea6a029ec637bc380f6d4a2e0240f9d1d2ee1c0eefe3f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5d0c6c4377a2986ea6a029ec637bc380f6d4a2e0240f9d1d2ee1c0eefe3f4c", kill_on_drop: false }`
[INFO] [stdout] ce5d0c6c4377a2986ea6a029ec637bc380f6d4a2e0240f9d1d2ee1c0eefe3f4c