[INFO] fetching crate legacylisten 0.3.2...
[INFO] checking legacylisten-0.3.2 against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] extracting crate legacylisten 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate legacylisten 0.3.2 on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legacylisten 0.3.2
[INFO] finished tweaking crates.io crate legacylisten 0.3.2
[INFO] tweaked toml for crates.io crate legacylisten 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate legacylisten 0.3.2 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0252d4c91f0cc333b9973a445e840a97d03f581f9c3c8e602a1bef1555c3e6
[INFO] running `Command { std: "docker" "start" "-a" "fa0252d4c91f0cc333b9973a445e840a97d03f581f9c3c8e602a1bef1555c3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0252d4c91f0cc333b9973a445e840a97d03f581f9c3c8e602a1bef1555c3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0252d4c91f0cc333b9973a445e840a97d03f581f9c3c8e602a1bef1555c3e6", kill_on_drop: false }`
[INFO] [stdout] fa0252d4c91f0cc333b9973a445e840a97d03f581f9c3c8e602a1bef1555c3e6
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f5af0f86c47218b2942ac87f56324561a2d624d9ceed5e221835049113ca15d
[INFO] running `Command { std: "docker" "start" "-a" "9f5af0f86c47218b2942ac87f56324561a2d624d9ceed5e221835049113ca15d", kill_on_drop: false }`
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[INFO] [stderr]     Checking dbus-crossroads v0.5.2
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[INFO] [stderr]     Checking legacylisten v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `home_dir` is never read
[INFO] [stdout]   --> src/config.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct ArcConfig
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub home_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flatten_stable` is never used
[INFO] [stdout]   --> src/helpers.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait ResultExtend
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn flatten_stable(self) -> Self::Inner;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `home_dir` is never read
[INFO] [stdout]   --> src/config.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct ArcConfig
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub home_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flatten_stable` is never used
[INFO] [stdout]   --> src/helpers.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait ResultExtend
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn flatten_stable(self) -> Self::Inner;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.84s
[INFO] running `Command { std: "docker" "inspect" "9f5af0f86c47218b2942ac87f56324561a2d624d9ceed5e221835049113ca15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5af0f86c47218b2942ac87f56324561a2d624d9ceed5e221835049113ca15d", kill_on_drop: false }`
[INFO] [stdout] 9f5af0f86c47218b2942ac87f56324561a2d624d9ceed5e221835049113ca15d