[INFO] cloning repository https://github.com/cbeck88/conf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbeck88/conf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbeck88%2Fconf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbeck88%2Fconf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e10fbe3f5acc266db9519f2919bcb50d4620505
[INFO] checking cbeck88/conf-rs/7e10fbe3f5acc266db9519f2919bcb50d4620505 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbeck88%2Fconf-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbeck88/conf-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbeck88/conf-rs
[INFO] finished tweaking git repo https://github.com/cbeck88/conf-rs
[INFO] tweaked toml for git repo https://github.com/cbeck88/conf-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cbeck88/conf-rs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f64fd3c5fb531b3cb28d97377c64ec5f222940a6b0460d4263bcb6829dd596d
[INFO] running `Command { std: "docker" "start" "-a" "9f64fd3c5fb531b3cb28d97377c64ec5f222940a6b0460d4263bcb6829dd596d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f64fd3c5fb531b3cb28d97377c64ec5f222940a6b0460d4263bcb6829dd596d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f64fd3c5fb531b3cb28d97377c64ec5f222940a6b0460d4263bcb6829dd596d", kill_on_drop: false }`
[INFO] [stdout] 9f64fd3c5fb531b3cb28d97377c64ec5f222940a6b0460d4263bcb6829dd596d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdce315444da8856e277306be039777b0d8af1281db98f969afb3ced5f092dc0
[INFO] running `Command { std: "docker" "start" "-a" "fdce315444da8856e277306be039777b0d8af1281db98f969afb3ced5f092dc0", kill_on_drop: false }`
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[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking colorchoice v1.0.1
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[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling escargot v0.5.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking tinyvec v1.7.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
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[INFO] [stderr]     Checking conf_derive v0.1.0 (/opt/rustwide/workdir/conf_derive)
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking conf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `f`, `b1`, and `b2` are never read
[INFO] [stdout]    --> tests/test_skip_short_flags.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout] 96  | struct BadA {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 97  |     #[conf(short, env)]
[INFO] [stdout] 98  |     f: bool,
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     b1: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     b2: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BadA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f`, `b1`, and `b2` are never read
[INFO] [stdout]    --> tests/test_skip_short_flags.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct BadA2 {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 115 |     #[conf(short, env)]
[INFO] [stdout] 116 |     f: bool,
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     b1: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     b2: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BadA2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f`, `b1`, and `b2` are never read
[INFO] [stdout]    --> tests/test_skip_short_flags.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | struct BadA3 {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 135 |     #[conf(short, env)]
[INFO] [stdout] 136 |     f: bool,
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     b1: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     b2: B,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BadA3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `Command { std: "docker" "inspect" "fdce315444da8856e277306be039777b0d8af1281db98f969afb3ced5f092dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdce315444da8856e277306be039777b0d8af1281db98f969afb3ced5f092dc0", kill_on_drop: false }`
[INFO] [stdout] fdce315444da8856e277306be039777b0d8af1281db98f969afb3ced5f092dc0