[INFO] cloning repository https://github.com/yoshitsugu/fdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshitsugu/fdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Ffdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Ffdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aca297613f5dc1e2643b8c2ea42e6139f23e2ed
[INFO] checking yoshitsugu/fdl against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Ffdl" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshitsugu/fdl 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/yoshitsugu/fdl
[INFO] finished tweaking git repo https://github.com/yoshitsugu/fdl
[INFO] tweaked toml for git repo https://github.com/yoshitsugu/fdl written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshitsugu/fdl 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 dbg v1.0.4
[INFO] [stderr]   Downloaded gloo-timers v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.6.1
[INFO] [stderr]   Downloaded seed v0.5.1
[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] 56b57ec74c33dbb7272caab58fe850b9e824166b19912a6fd3559abe574499ce
[INFO] running `Command { std: "docker" "start" "-a" "56b57ec74c33dbb7272caab58fe850b9e824166b19912a6fd3559abe574499ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b57ec74c33dbb7272caab58fe850b9e824166b19912a6fd3559abe574499ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b57ec74c33dbb7272caab58fe850b9e824166b19912a6fd3559abe574499ce", kill_on_drop: false }`
[INFO] [stdout] 56b57ec74c33dbb7272caab58fe850b9e824166b19912a6fd3559abe574499ce
[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] f513db8fbf4a8f32029262e636f26f0141de9923af19ad6da18c48062251e96b
[INFO] running `Command { std: "docker" "start" "-a" "f513db8fbf4a8f32029262e636f26f0141de9923af19ad6da18c48062251e96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling seed v0.5.1
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking js-sys v0.3.35
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.8
[INFO] [stderr]     Checking gloo-timers v0.2.0
[INFO] [stderr]     Checking fdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.58
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f513db8fbf4a8f32029262e636f26f0141de9923af19ad6da18c48062251e96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f513db8fbf4a8f32029262e636f26f0141de9923af19ad6da18c48062251e96b", kill_on_drop: false }`
[INFO] [stdout] f513db8fbf4a8f32029262e636f26f0141de9923af19ad6da18c48062251e96b