[INFO] cloning repository https://github.com/ymzuiku/rust_this_error_connect_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymzuiku/rust_this_error_connect_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymzuiku%2Frust_this_error_connect_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymzuiku%2Frust_this_error_connect_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a06da5fc03baae30cc15355f5d9a75f4611f554d
[INFO] testing ymzuiku/rust_this_error_connect_example against 1.73.0 for beta-1.74-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymzuiku%2Frust_this_error_connect_example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymzuiku/rust_this_error_connect_example on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymzuiku/rust_this_error_connect_example
[INFO] finished tweaking git repo https://github.com/ymzuiku/rust_this_error_connect_example
[INFO] tweaked toml for git repo https://github.com/ymzuiku/rust_this_error_connect_example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ymzuiku/rust_this_error_connect_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" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deadpool-redis v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6ae768fda4c9f3fad22d5aa368eaafc895081b3e1b9d718e6f7751c7be57eb
[INFO] running `Command { std: "docker" "start" "-a" "1a6ae768fda4c9f3fad22d5aa368eaafc895081b3e1b9d718e6f7751c7be57eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6ae768fda4c9f3fad22d5aa368eaafc895081b3e1b9d718e6f7751c7be57eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6ae768fda4c9f3fad22d5aa368eaafc895081b3e1b9d718e6f7751c7be57eb", kill_on_drop: false }`
[INFO] [stdout] 1a6ae768fda4c9f3fad22d5aa368eaafc895081b3e1b9d718e6f7751c7be57eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf534274401a713799927e47eeba4ba5d5006f204997a0e2bae512cbad1564d
[INFO] running `Command { std: "docker" "start" "-a" "acf534274401a713799927e47eeba4ba5d5006f204997a0e2bae512cbad1564d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling retain_mut v0.1.9
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling socket2 v0.4.4
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[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling deadpool-runtime v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling deadpool v0.9.5
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tokio-util v0.7.2
[INFO] [stderr]    Compiling combine v4.6.4
[INFO] [stderr]    Compiling redis v0.21.5
[INFO] [stderr]    Compiling deadpool-redis v0.10.2
[INFO] [stderr]    Compiling error_merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "acf534274401a713799927e47eeba4ba5d5006f204997a0e2bae512cbad1564d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf534274401a713799927e47eeba4ba5d5006f204997a0e2bae512cbad1564d", kill_on_drop: false }`
[INFO] [stdout] acf534274401a713799927e47eeba4ba5d5006f204997a0e2bae512cbad1564d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbe75d2a314ed5f5a1f27ab6107724318f8fd8b5cfd6a29afe119a1a2970c8c
[INFO] running `Command { std: "docker" "start" "-a" "4bbe75d2a314ed5f5a1f27ab6107724318f8fd8b5cfd6a29afe119a1a2970c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling error_merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]    --> src/thiserrors.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let pool = cfg
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4bbe75d2a314ed5f5a1f27ab6107724318f8fd8b5cfd6a29afe119a1a2970c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbe75d2a314ed5f5a1f27ab6107724318f8fd8b5cfd6a29afe119a1a2970c8c", kill_on_drop: false }`
[INFO] [stdout] 4bbe75d2a314ed5f5a1f27ab6107724318f8fd8b5cfd6a29afe119a1a2970c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9c64be5b8c3527ca2562c374c6f16f8b3fa518ff0c7806b5fcede68a969cdb8
[INFO] running `Command { std: "docker" "start" "-a" "f9c64be5b8c3527ca2562c374c6f16f8b3fa518ff0c7806b5fcede68a969cdb8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pool`
[INFO] [stderr]    --> src/thiserrors.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let pool = cfg
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `error_merge` (bin "error_merge" test) generated 1 warning (run `cargo fix --bin "error_merge" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/error_merge-289f6f11fcf3b45e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test thiserrors::tests::test_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9c64be5b8c3527ca2562c374c6f16f8b3fa518ff0c7806b5fcede68a969cdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c64be5b8c3527ca2562c374c6f16f8b3fa518ff0c7806b5fcede68a969cdb8", kill_on_drop: false }`
[INFO] [stdout] f9c64be5b8c3527ca2562c374c6f16f8b3fa518ff0c7806b5fcede68a969cdb8