[INFO] cloning repository https://github.com/RossSmyth/fetch-cargo-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RossSmyth/fetch-cargo-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRossSmyth%2Ffetch-cargo-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRossSmyth%2Ffetch-cargo-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6955aa63d5454d6d40c2890aed5c621044058bb2
[INFO] checking RossSmyth/fetch-cargo-index against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRossSmyth%2Ffetch-cargo-index" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RossSmyth/fetch-cargo-index
[INFO] finished tweaking git repo https://github.com/RossSmyth/fetch-cargo-index
[INFO] tweaked toml for git repo https://github.com/RossSmyth/fetch-cargo-index written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RossSmyth/fetch-cargo-index on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RossSmyth/fetch-cargo-index 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44be5b5d1c3ba98bf9493adcd9162891e5a027b2bfb52fa59cb4238c546f8fa4
[INFO] running `Command { std: "docker" "start" "-a" "44be5b5d1c3ba98bf9493adcd9162891e5a027b2bfb52fa59cb4238c546f8fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44be5b5d1c3ba98bf9493adcd9162891e5a027b2bfb52fa59cb4238c546f8fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44be5b5d1c3ba98bf9493adcd9162891e5a027b2bfb52fa59cb4238c546f8fa4", kill_on_drop: false }`
[INFO] [stdout] 44be5b5d1c3ba98bf9493adcd9162891e5a027b2bfb52fa59cb4238c546f8fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe59bf0015bbcea9d2fafc829dd7a6862fdd11c764a0eebd91597e2fed8e9634
[INFO] running `Command { std: "docker" "start" "-a" "fe59bf0015bbcea9d2fafc829dd7a6862fdd11c764a0eebd91597e2fed8e9634", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
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[INFO] [stderr]    Compiling libc v0.2.177
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[INFO] [stderr]     Checking zlib-rs v0.5.2
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[INFO] [stderr]    Compiling typenum v1.19.0
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[INFO] [stderr]    Compiling libz-sys v1.1.23
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[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
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[INFO] [stderr]     Checking gix-attributes v0.27.0
[INFO] [stderr]     Checking gix-ignore v0.16.0
[INFO] [stderr]     Checking gix-tempfile v18.0.0
[INFO] [stderr]     Checking gix-object v0.50.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking gix-lock v18.0.0
[INFO] [stderr]     Checking gix-shallow v0.5.0
[INFO] [stderr]     Checking gix-pathspec v0.12.0
[INFO] [stderr]     Checking gix-revwalk v0.21.0
[INFO] [stderr]     Checking gix-ref v0.53.1
[INFO] [stderr]     Checking gix-pack v0.60.0
[INFO] [stderr]     Checking gix-diff v0.53.0
[INFO] [stderr]     Checking gix-filter v0.20.0
[INFO] [stderr]     Checking gix-revision v0.35.0
[INFO] [stderr]     Checking gix-traverse v0.47.0
[INFO] [stderr]     Checking gix-negotiate v0.21.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking gix-refspec v0.31.0
[INFO] [stderr]     Checking gix-index v0.41.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking gix-config v0.46.0
[INFO] [stderr]     Checking gix-discover v0.41.0
[INFO] [stderr]     Checking gix-url v0.32.0
[INFO] [stderr]     Checking gix-worktree v0.42.0
[INFO] [stderr]     Checking gix-odb v0.70.0
[INFO] [stderr]     Checking gix-credentials v0.30.0
[INFO] [stderr]     Checking gix-submodule v0.20.0
[INFO] [stderr]     Checking gix-transport v0.48.0
[INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gix-transport-0.48.0/src/client/blocking_io/connect.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |                         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)?,
[INFO] [stdout]    |                                      ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast from `Box<()>` to `Box<dyn std::error::Error + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gix-transport` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fe59bf0015bbcea9d2fafc829dd7a6862fdd11c764a0eebd91597e2fed8e9634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe59bf0015bbcea9d2fafc829dd7a6862fdd11c764a0eebd91597e2fed8e9634", kill_on_drop: false }`
[INFO] [stdout] fe59bf0015bbcea9d2fafc829dd7a6862fdd11c764a0eebd91597e2fed8e9634