[INFO] fetching crate traced_result 0.1.0...
[INFO] testing traced_result-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate traced_result 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate traced_result 0.1.0
[INFO] finished tweaking crates.io crate traced_result 0.1.0
[INFO] tweaked toml for crates.io crate traced_result 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate traced_result 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fef70e2b3fdd2f4d0b7294406cd11ffa079a0114c4d22fb222e90aa9e901359
[INFO] running `Command { std: "docker" "start" "-a" "0fef70e2b3fdd2f4d0b7294406cd11ffa079a0114c4d22fb222e90aa9e901359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fef70e2b3fdd2f4d0b7294406cd11ffa079a0114c4d22fb222e90aa9e901359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fef70e2b3fdd2f4d0b7294406cd11ffa079a0114c4d22fb222e90aa9e901359", kill_on_drop: false }`
[INFO] [stdout] 0fef70e2b3fdd2f4d0b7294406cd11ffa079a0114c4d22fb222e90aa9e901359
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bf5c73f008b667b53bb0ce346dd3bd09368a5bdb67b628a30e195873b210ea4
[INFO] running `Command { std: "docker" "start" "-a" "5bf5c73f008b667b53bb0ce346dd3bd09368a5bdb67b628a30e195873b210ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling traced_result v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `TracedResult<Infallible, E>: Residual<T>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     type Residual = TracedResult<Infallible, E>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<T>` is not implemented for `TracedResult<Infallible, E>`
[INFO] [stdout]    --> src/lib.rs:74:1
[INFO] [stdout]     |
[INFO] [stdout]  74 | pub enum TracedResult<T, E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:2205:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<Infallible, E>`
[INFO] [stdout]    --> /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/option.rs:2810:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<Infallible>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traced_result` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5bf5c73f008b667b53bb0ce346dd3bd09368a5bdb67b628a30e195873b210ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf5c73f008b667b53bb0ce346dd3bd09368a5bdb67b628a30e195873b210ea4", kill_on_drop: false }`
[INFO] [stdout] 5bf5c73f008b667b53bb0ce346dd3bd09368a5bdb67b628a30e195873b210ea4
