[INFO] fetching crate checkmail-rs 0.0.1...
[INFO] checking checkmail-rs-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate checkmail-rs 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate checkmail-rs 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkmail-rs 0.0.1
[INFO] finished tweaking crates.io crate checkmail-rs 0.0.1
[INFO] tweaked toml for crates.io crate checkmail-rs 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d99e742de428edd696b6823d5eb9ba11f0be87810f3a6107652f287b4819fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19d99e742de428edd696b6823d5eb9ba11f0be87810f3a6107652f287b4819fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d99e742de428edd696b6823d5eb9ba11f0be87810f3a6107652f287b4819fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d99e742de428edd696b6823d5eb9ba11f0be87810f3a6107652f287b4819fb", kill_on_drop: false }`
[INFO] [stdout] 19d99e742de428edd696b6823d5eb9ba11f0be87810f3a6107652f287b4819fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba731c027f0e055fd9211859b6a4c45cbf9b14ede8918f142da172959441c316
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba731c027f0e055fd9211859b6a4c45cbf9b14ede8918f142da172959441c316", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking checkmail-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `account`
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         account: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.79s
[INFO] running `Command { std: "docker" "inspect" "ba731c027f0e055fd9211859b6a4c45cbf9b14ede8918f142da172959441c316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba731c027f0e055fd9211859b6a4c45cbf9b14ede8918f142da172959441c316", kill_on_drop: false }`
[INFO] [stdout] ba731c027f0e055fd9211859b6a4c45cbf9b14ede8918f142da172959441c316