[INFO] cloning repository https://github.com/pingortle/rust-wasm-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pingortle/rust-wasm-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingortle%2Frust-wasm-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingortle%2Frust-wasm-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6d02a9d1488bafe6b5f7c50e2214cfd1423f27b
[INFO] checking pingortle/rust-wasm-playground against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingortle%2Frust-wasm-playground" "/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/pingortle/rust-wasm-playground 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/pingortle/rust-wasm-playground
[INFO] finished tweaking git repo https://github.com/pingortle/rust-wasm-playground
[INFO] tweaked toml for git repo https://github.com/pingortle/rust-wasm-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pingortle/rust-wasm-playground 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 wasm-bindgen-backend v0.2.42
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.42
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.42
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.42
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded syn v0.15.32
[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] 1381cafc09295bdde353b826d05391989d0e55825e5e0e885cfde26b8d5c0d69
[INFO] running `Command { std: "docker" "start" "-a" "1381cafc09295bdde353b826d05391989d0e55825e5e0e885cfde26b8d5c0d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1381cafc09295bdde353b826d05391989d0e55825e5e0e885cfde26b8d5c0d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1381cafc09295bdde353b826d05391989d0e55825e5e0e885cfde26b8d5c0d69", kill_on_drop: false }`
[INFO] [stdout] 1381cafc09295bdde353b826d05391989d0e55825e5e0e885cfde26b8d5c0d69
[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] 7e88b98f7041f3740121138b1c17c112d065cabf102a70dc9356023feb191dee
[INFO] running `Command { std: "docker" "start" "-a" "7e88b98f7041f3740121138b1c17c112d065cabf102a70dc9356023feb191dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.42
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.42
[INFO] [stderr]     Checking wasm-greet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.42
[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" "7e88b98f7041f3740121138b1c17c112d065cabf102a70dc9356023feb191dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e88b98f7041f3740121138b1c17c112d065cabf102a70dc9356023feb191dee", kill_on_drop: false }`
[INFO] [stdout] 7e88b98f7041f3740121138b1c17c112d065cabf102a70dc9356023feb191dee
[INFO] checking pingortle/rust-wasm-playground against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingortle%2Frust-wasm-playground" "/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/pingortle/rust-wasm-playground 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/pingortle/rust-wasm-playground
[INFO] finished tweaking git repo https://github.com/pingortle/rust-wasm-playground
[INFO] tweaked toml for git repo https://github.com/pingortle/rust-wasm-playground written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pingortle/rust-wasm-playground 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] e12c63182412d2cb1774e152bd7ad79c42829fda0dc9b7b44996eff0dd805c70
[INFO] running `Command { std: "docker" "start" "-a" "e12c63182412d2cb1774e152bd7ad79c42829fda0dc9b7b44996eff0dd805c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12c63182412d2cb1774e152bd7ad79c42829fda0dc9b7b44996eff0dd805c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12c63182412d2cb1774e152bd7ad79c42829fda0dc9b7b44996eff0dd805c70", kill_on_drop: false }`
[INFO] [stdout] e12c63182412d2cb1774e152bd7ad79c42829fda0dc9b7b44996eff0dd805c70
[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] c26eab5807fd90dadfd0679059306d522c7a3b072cf7206ca8829bd4b8e954f6
[INFO] running `Command { std: "docker" "start" "-a" "c26eab5807fd90dadfd0679059306d522c7a3b072cf7206ca8829bd4b8e954f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.42
[INFO] [stderr]     Checking wasm-greet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.42
[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" "c26eab5807fd90dadfd0679059306d522c7a3b072cf7206ca8829bd4b8e954f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26eab5807fd90dadfd0679059306d522c7a3b072cf7206ca8829bd4b8e954f6", kill_on_drop: false }`
[INFO] [stdout] c26eab5807fd90dadfd0679059306d522c7a3b072cf7206ca8829bd4b8e954f6