[INFO] cloning repository https://github.com/qalens/rust-buildpack-example-warp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qalens/rust-buildpack-example-warp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqalens%2Frust-buildpack-example-warp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqalens%2Frust-buildpack-example-warp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 157681d343c4ffea9785e46bb2c2686fbdd6025c
[INFO] checking qalens/rust-buildpack-example-warp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqalens%2Frust-buildpack-example-warp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qalens/rust-buildpack-example-warp 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/qalens/rust-buildpack-example-warp
[INFO] finished tweaking git repo https://github.com/qalens/rust-buildpack-example-warp
[INFO] tweaked toml for git repo https://github.com/qalens/rust-buildpack-example-warp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qalens/rust-buildpack-example-warp 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 sha-1 v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b826a2b694b6f0d7c70cdb35fe3a459148f30f7f6c53011ffbefdc54e68a58d8
[INFO] running `Command { std: "docker" "start" "-a" "b826a2b694b6f0d7c70cdb35fe3a459148f30f7f6c53011ffbefdc54e68a58d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b826a2b694b6f0d7c70cdb35fe3a459148f30f7f6c53011ffbefdc54e68a58d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b826a2b694b6f0d7c70cdb35fe3a459148f30f7f6c53011ffbefdc54e68a58d8", kill_on_drop: false }`
[INFO] [stdout] b826a2b694b6f0d7c70cdb35fe3a459148f30f7f6c53011ffbefdc54e68a58d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ffe806c20823567a0896b8052998002281f63d7afc89fd62d86e877e24e699ec
[INFO] running `Command { std: "docker" "start" "-a" "ffe806c20823567a0896b8052998002281f63d7afc89fd62d86e877e24e699ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]     Checking rust-buildpack-example-warp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ffe806c20823567a0896b8052998002281f63d7afc89fd62d86e877e24e699ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe806c20823567a0896b8052998002281f63d7afc89fd62d86e877e24e699ec", kill_on_drop: false }`
[INFO] [stdout] ffe806c20823567a0896b8052998002281f63d7afc89fd62d86e877e24e699ec
[INFO] checking qalens/rust-buildpack-example-warp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqalens%2Frust-buildpack-example-warp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qalens/rust-buildpack-example-warp 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/qalens/rust-buildpack-example-warp
[INFO] finished tweaking git repo https://github.com/qalens/rust-buildpack-example-warp
[INFO] tweaked toml for git repo https://github.com/qalens/rust-buildpack-example-warp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/qalens/rust-buildpack-example-warp 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dd0d7ea9b3590b58396dc5345330ae50e8819152af755ef30aaa6dd6fcc49af8
[INFO] running `Command { std: "docker" "start" "-a" "dd0d7ea9b3590b58396dc5345330ae50e8819152af755ef30aaa6dd6fcc49af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0d7ea9b3590b58396dc5345330ae50e8819152af755ef30aaa6dd6fcc49af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0d7ea9b3590b58396dc5345330ae50e8819152af755ef30aaa6dd6fcc49af8", kill_on_drop: false }`
[INFO] [stdout] dd0d7ea9b3590b58396dc5345330ae50e8819152af755ef30aaa6dd6fcc49af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 89877883734fe143de10aadff7b015d643337e8dec4a0cfc47a8f4ab339b21c7
[INFO] running `Command { std: "docker" "start" "-a" "89877883734fe143de10aadff7b015d643337e8dec4a0cfc47a8f4ab339b21c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]     Checking rust-buildpack-example-warp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[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" "89877883734fe143de10aadff7b015d643337e8dec4a0cfc47a8f4ab339b21c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89877883734fe143de10aadff7b015d643337e8dec4a0cfc47a8f4ab339b21c7", kill_on_drop: false }`
[INFO] [stdout] 89877883734fe143de10aadff7b015d643337e8dec4a0cfc47a8f4ab339b21c7