[INFO] fetching crate rectree3 0.5.1...
[INFO] checking rectree3-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rectree3 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rectree3 0.5.1 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 crates.io crate rectree3 0.5.1
[INFO] finished tweaking crates.io crate rectree3 0.5.1
[INFO] tweaked toml for crates.io crate rectree3 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rectree3 0.5.1 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 wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded random_color v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded getopt v1.1.0
[INFO] [stderr]   Downloaded svg v0.8.2
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded light_phylogeny v0.21.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1b6e5284248ed9c497bff094cd80180efef3aa88ea22733222ae9fa6a73896fb
[INFO] running `Command { std: "docker" "start" "-a" "1b6e5284248ed9c497bff094cd80180efef3aa88ea22733222ae9fa6a73896fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6e5284248ed9c497bff094cd80180efef3aa88ea22733222ae9fa6a73896fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6e5284248ed9c497bff094cd80180efef3aa88ea22733222ae9fa6a73896fb", kill_on_drop: false }`
[INFO] [stdout] 1b6e5284248ed9c497bff094cd80180efef3aa88ea22733222ae9fa6a73896fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0a261ff5e0745377132a39304ea17bdc87df5390569f212a8c326377432321e2
[INFO] running `Command { std: "docker" "start" "-a" "0a261ff5e0745377132a39304ea17bdc87df5390569f212a8c326377432321e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking svg v0.8.2
[INFO] [stderr]     Checking getopt v1.1.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking random_color v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking light_phylogeny v0.21.3
[INFO] [stderr]     Checking rectree3 v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.8.2
[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" "0a261ff5e0745377132a39304ea17bdc87df5390569f212a8c326377432321e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a261ff5e0745377132a39304ea17bdc87df5390569f212a8c326377432321e2", kill_on_drop: false }`
[INFO] [stdout] 0a261ff5e0745377132a39304ea17bdc87df5390569f212a8c326377432321e2