[INFO] cloning repository https://github.com/codegram/wasm-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codegram/wasm-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodegram%2Fwasm-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodegram%2Fwasm-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f7bd3f170a99ef6fb7a753e5d369f7a3d4b7d0
[INFO] checking codegram/wasm-tree against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodegram%2Fwasm-tree" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codegram/wasm-tree 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/codegram/wasm-tree
[INFO] finished tweaking git repo https://github.com/codegram/wasm-tree
[INFO] tweaked toml for git repo https://github.com/codegram/wasm-tree written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codegram/wasm-tree 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-shared v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f905cbeac814d9e66b3992b62a8e66be6d5d83283fd16d5e37a4aae5c0b3514e
[INFO] running `Command { std: "docker" "start" "-a" "f905cbeac814d9e66b3992b62a8e66be6d5d83283fd16d5e37a4aae5c0b3514e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f905cbeac814d9e66b3992b62a8e66be6d5d83283fd16d5e37a4aae5c0b3514e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f905cbeac814d9e66b3992b62a8e66be6d5d83283fd16d5e37a4aae5c0b3514e", kill_on_drop: false }`
[INFO] [stdout] f905cbeac814d9e66b3992b62a8e66be6d5d83283fd16d5e37a4aae5c0b3514e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e51cef2acfa6ca1b0ea4790403fae1f50c23e98ad046f32da6ce9d2511effc91
[INFO] running `Command { std: "docker" "start" "-a" "e51cef2acfa6ca1b0ea4790403fae1f50c23e98ad046f32da6ce9d2511effc91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.52
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.52
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.52
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.52
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.52
[INFO] [stderr]     Checking wasm-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.52
[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" "e51cef2acfa6ca1b0ea4790403fae1f50c23e98ad046f32da6ce9d2511effc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51cef2acfa6ca1b0ea4790403fae1f50c23e98ad046f32da6ce9d2511effc91", kill_on_drop: false }`
[INFO] [stdout] e51cef2acfa6ca1b0ea4790403fae1f50c23e98ad046f32da6ce9d2511effc91
[INFO] checking codegram/wasm-tree against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodegram%2Fwasm-tree" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codegram/wasm-tree 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/codegram/wasm-tree
[INFO] finished tweaking git repo https://github.com/codegram/wasm-tree
[INFO] tweaked toml for git repo https://github.com/codegram/wasm-tree written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/codegram/wasm-tree 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7d9d80f7565fd942f3461d3fc603ac257b4e918f75c8dd0a70615de153b65dd9
[INFO] running `Command { std: "docker" "start" "-a" "7d9d80f7565fd942f3461d3fc603ac257b4e918f75c8dd0a70615de153b65dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d9d80f7565fd942f3461d3fc603ac257b4e918f75c8dd0a70615de153b65dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9d80f7565fd942f3461d3fc603ac257b4e918f75c8dd0a70615de153b65dd9", kill_on_drop: false }`
[INFO] [stdout] 7d9d80f7565fd942f3461d3fc603ac257b4e918f75c8dd0a70615de153b65dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fe45a7c73e0f422ee9b14d3636f976a52ec2ae9f9138d44dfe834863efe01d53
[INFO] running `Command { std: "docker" "start" "-a" "fe45a7c73e0f422ee9b14d3636f976a52ec2ae9f9138d44dfe834863efe01d53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.52
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.52
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.52
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.52
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.52
[INFO] [stderr]     Checking wasm-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.52
[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" "fe45a7c73e0f422ee9b14d3636f976a52ec2ae9f9138d44dfe834863efe01d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe45a7c73e0f422ee9b14d3636f976a52ec2ae9f9138d44dfe834863efe01d53", kill_on_drop: false }`
[INFO] [stdout] fe45a7c73e0f422ee9b14d3636f976a52ec2ae9f9138d44dfe834863efe01d53