[INFO] cloning repository https://github.com/brian-dawn/rust-nix-flake-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brian-dawn/rust-nix-flake-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 136896cb2dd0e437586088bb8964e67236f12a08
[INFO] checking brian-dawn/rust-nix-flake-example against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brian-dawn/rust-nix-flake-example
[INFO] finished tweaking git repo https://github.com/brian-dawn/rust-nix-flake-example
[INFO] tweaked toml for git repo https://github.com/brian-dawn/rust-nix-flake-example written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brian-dawn/rust-nix-flake-example on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brian-dawn/rust-nix-flake-example 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14f6748f7ad344851b6201b7fe6d1fc835553efef969c7c6d9caab80ec8f9491
[INFO] running `Command { std: "docker" "start" "-a" "14f6748f7ad344851b6201b7fe6d1fc835553efef969c7c6d9caab80ec8f9491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f6748f7ad344851b6201b7fe6d1fc835553efef969c7c6d9caab80ec8f9491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f6748f7ad344851b6201b7fe6d1fc835553efef969c7c6d9caab80ec8f9491", kill_on_drop: false }`
[INFO] [stdout] 14f6748f7ad344851b6201b7fe6d1fc835553efef969c7c6d9caab80ec8f9491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7fdad113deb4c013ce2b9422d5259bb49e3342671f394fce783150a4d3be50f
[INFO] running `Command { std: "docker" "start" "-a" "e7fdad113deb4c013ce2b9422d5259bb49e3342671f394fce783150a4d3be50f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking bytes-utils v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling aws-types v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking smithy-types v0.0.1 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking smithy-eventstream v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking smithy-query v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking smithy-json v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking tokio v1.12.0
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking aws-sigv4 v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking smithy-xml v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking smithy-async v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-0.14.13/src/proto/h2/mod.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e7fdad113deb4c013ce2b9422d5259bb49e3342671f394fce783150a4d3be50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fdad113deb4c013ce2b9422d5259bb49e3342671f394fce783150a4d3be50f", kill_on_drop: false }`
[INFO] [stdout] e7fdad113deb4c013ce2b9422d5259bb49e3342671f394fce783150a4d3be50f