[INFO] fetching crate epitaph 0.2.0...
[INFO] checking epitaph-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate epitaph 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate epitaph 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epitaph 0.2.0
[INFO] finished tweaking crates.io crate epitaph 0.2.0
[INFO] tweaked toml for crates.io crate epitaph 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (alternate-future) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd48d80cc5c4a0a9fcfeacc966035dedb3532d1c3b2b4b4b532c5958971eca01
[INFO] running `Command { std: "docker" "start" "-a" "bd48d80cc5c4a0a9fcfeacc966035dedb3532d1c3b2b4b4b532c5958971eca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd48d80cc5c4a0a9fcfeacc966035dedb3532d1c3b2b4b4b532c5958971eca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd48d80cc5c4a0a9fcfeacc966035dedb3532d1c3b2b4b4b532c5958971eca01", kill_on_drop: false }`
[INFO] [stdout] bd48d80cc5c4a0a9fcfeacc966035dedb3532d1c3b2b4b4b532c5958971eca01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c284983df47f34f07274fc93d92a748ecd47c41cb9727d7ce31b7dfc492f6aec
[INFO] running `Command { std: "docker" "start" "-a" "c284983df47f34f07274fc93d92a748ecd47c41cb9727d7ce31b7dfc492f6aec", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (alternate-future) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking epitaph v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:70
[INFO] [stdout]    |
[INFO] [stdout] 12 | ...ind, cause : Option<Box<std::error::Error + Send + Sync>>, desc : String, file : &'static str, line : u32) -> Self;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:70
[INFO] [stdout]    |
[INFO] [stdout] 12 | ...ind, cause : Option<Box<std::error::Error + Send + Sync>>, desc : String, file : &'static str, line : u32) -> Self;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/tests.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/tests.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/tests.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> tests/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error as StdError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/func.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/func.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/func.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | error_items!{Error<Kind = ErrorKind> "Test Error"}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_items` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> tests/func.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error as StdError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epitaph::DetailedError`
[INFO] [stdout]  --> tests/func.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use epitaph::DetailedError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_func`
[INFO] [stdout]   --> tests/func.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn fail_func () -> Result<i32, Error>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "c284983df47f34f07274fc93d92a748ecd47c41cb9727d7ce31b7dfc492f6aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c284983df47f34f07274fc93d92a748ecd47c41cb9727d7ce31b7dfc492f6aec", kill_on_drop: false }`
[INFO] [stdout] c284983df47f34f07274fc93d92a748ecd47c41cb9727d7ce31b7dfc492f6aec