[INFO] cloning repository https://github.com/webern/rs_poc_wrapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/webern/rs_poc_wrapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_poc_wrapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_poc_wrapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2dd5afcf9894756354fbc4f2c376aeb57cf2eaa
[INFO] checking webern/rs_poc_wrapper against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_poc_wrapper" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/webern/rs_poc_wrapper
[INFO] finished tweaking git repo https://github.com/webern/rs_poc_wrapper
[INFO] tweaked toml for git repo https://github.com/webern/rs_poc_wrapper written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/webern/rs_poc_wrapper on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/webern/rs_poc_wrapper 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a4ff43527870a04481274f40bfc410990dfe10190edb9635260319bd39ea8d
[INFO] running `Command { std: "docker" "start" "-a" "06a4ff43527870a04481274f40bfc410990dfe10190edb9635260319bd39ea8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a4ff43527870a04481274f40bfc410990dfe10190edb9635260319bd39ea8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a4ff43527870a04481274f40bfc410990dfe10190edb9635260319bd39ea8d", kill_on_drop: false }`
[INFO] [stdout] 06a4ff43527870a04481274f40bfc410990dfe10190edb9635260319bd39ea8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f94aa7647c548680f5a203dae5c89ee24e2344ee588b2a3d93d8cf5375b57adb
[INFO] running `Command { std: "docker" "start" "-a" "f94aa7647c548680f5a203dae5c89ee24e2344ee588b2a3d93d8cf5375b57adb", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking darling_core v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]     Checking darling v0.14.2
[INFO] [stderr]     Checking serde v1.0.147
[INFO] [stderr]     Checking serde_json v1.0.87
[INFO] [stderr]     Checking wrapper_derive v0.1.0 (/opt/rustwide/workdir/wrapper_derive)
[INFO] [stderr]     Checking wrapper v0.1.0 (/opt/rustwide/workdir/wrapper)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> wrapper/src/lib.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.source.as_ref().map(|e| e.as_ref() as &(dyn Error))
[INFO] [stdout]    |                                                     ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         self.source.as_ref().map(|e| e.as_ref() as &(dyn Error))
[INFO] [stdout] 35 +         self.source.as_ref().map(|e| e.as_ref() as &dyn Error )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> wrapper/src/lib.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.source.as_ref().map(|e| e.as_ref() as &(dyn Error))
[INFO] [stdout]    |                                                     ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         self.source.as_ref().map(|e| e.as_ref() as &(dyn Error))
[INFO] [stdout] 35 +         self.source.as_ref().map(|e| e.as_ref() as &dyn Error )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Settings` is never constructed
[INFO] [stdout]    --> wrapper/src/lib.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | struct Settings {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.84s
[INFO] running `Command { std: "docker" "inspect" "f94aa7647c548680f5a203dae5c89ee24e2344ee588b2a3d93d8cf5375b57adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94aa7647c548680f5a203dae5c89ee24e2344ee588b2a3d93d8cf5375b57adb", kill_on_drop: false }`
[INFO] [stdout] f94aa7647c548680f5a203dae5c89ee24e2344ee588b2a3d93d8cf5375b57adb
