[INFO] fetching crate mailing-list 0.4.0...
[INFO] checking mailing-list-0.4.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate mailing-list 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mailing-list 0.4.0
[INFO] finished tweaking crates.io crate mailing-list 0.4.0
[INFO] tweaked toml for crates.io crate mailing-list 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mailing-list 0.4.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mailing-list 0.4.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-appender v0.2.3
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[INFO] [stderr]   Downloaded mirai-annotations v1.12.0
[INFO] [stderr]   Downloaded tokio-rustls v0.26.0
[INFO] [stderr]   Downloaded prettyplease v0.2.19
[INFO] [stderr]   Downloaded dlopen_derive v0.1.4
[INFO] [stderr]   Downloaded dlopen v0.1.8
[INFO] [stderr]   Downloaded mlpa v0.4.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.7.0
[INFO] [stderr]   Downloaded rustls v0.23.5
[INFO] [stderr]   Downloaded aws-lc-sys v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17026317f4a456ee742e0d0d3b604c362d5791a5ea3188844bb88b23b92038f5
[INFO] running `Command { std: "docker" "start" "-a" "17026317f4a456ee742e0d0d3b604c362d5791a5ea3188844bb88b23b92038f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17026317f4a456ee742e0d0d3b604c362d5791a5ea3188844bb88b23b92038f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17026317f4a456ee742e0d0d3b604c362d5791a5ea3188844bb88b23b92038f5", kill_on_drop: false }`
[INFO] [stdout] 17026317f4a456ee742e0d0d3b604c362d5791a5ea3188844bb88b23b92038f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a78a403b758d89542c4b908dcea2473208514b72f0c1fb1b7dc86836088cb416
[INFO] running `Command { std: "docker" "start" "-a" "a78a403b758d89542c4b908dcea2473208514b72f0c1fb1b7dc86836088cb416", kill_on_drop: false }`
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[INFO] [stderr]     Checking mailing-list v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `from`, `to`, and `payload` are never read
[INFO] [stdout]   --> src/client_handler.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Mail {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 34 |     pub from: Sender,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 35 |     pub to: Vec<Reciever>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 36 |     pub payload: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mail` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `from`, `to`, and `payload` are never read
[INFO] [stdout]   --> src/client_handler.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Mail {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 34 |     pub from: Sender,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 35 |     pub to: Vec<Reciever>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 36 |     pub payload: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mail` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 31.92s
[INFO] running `Command { std: "docker" "inspect" "a78a403b758d89542c4b908dcea2473208514b72f0c1fb1b7dc86836088cb416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78a403b758d89542c4b908dcea2473208514b72f0c1fb1b7dc86836088cb416", kill_on_drop: false }`
[INFO] [stdout] a78a403b758d89542c4b908dcea2473208514b72f0c1fb1b7dc86836088cb416