[INFO] cloning repository https://github.com/mordak/mailproc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mordak/mailproc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Fmailproc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Fmailproc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc9585ce119494f7ffb10b79455d3490cecc0cf8
[INFO] checking mordak/mailproc against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Fmailproc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mordak/mailproc on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mordak/mailproc
[INFO] finished tweaking git repo https://github.com/mordak/mailproc
[INFO] tweaked toml for git repo https://github.com/mordak/mailproc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mordak/mailproc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e5bd2558aaeaa5402598bd74df4f6132db3d1428ea8f6b9e7901980b8ec2bf3
[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" "7e5bd2558aaeaa5402598bd74df4f6132db3d1428ea8f6b9e7901980b8ec2bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e5bd2558aaeaa5402598bd74df4f6132db3d1428ea8f6b9e7901980b8ec2bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5bd2558aaeaa5402598bd74df4f6132db3d1428ea8f6b9e7901980b8ec2bf3", kill_on_drop: false }`
[INFO] [stdout] 7e5bd2558aaeaa5402598bd74df4f6132db3d1428ea8f6b9e7901980b8ec2bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84ecf1f1544aa65f17a8ba456a747ec1e2aa749bccfa33dd2387047d995cf0a
[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" "e84ecf1f1544aa65f17a8ba456a747ec1e2aa749bccfa33dd2387047d995cf0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking mailparse v0.6.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking subprocess v0.1.18
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking mailproc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (self.headers && self.body && self.raw)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (self.headers && self.body && self.raw)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.45s
[INFO] running `Command { std: "docker" "inspect" "e84ecf1f1544aa65f17a8ba456a747ec1e2aa749bccfa33dd2387047d995cf0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84ecf1f1544aa65f17a8ba456a747ec1e2aa749bccfa33dd2387047d995cf0a", kill_on_drop: false }`
[INFO] [stdout] e84ecf1f1544aa65f17a8ba456a747ec1e2aa749bccfa33dd2387047d995cf0a