[INFO] fetching crate carbon 0.1.0...
[INFO] checking carbon-0.1.0 against beta for pr-78714
[INFO] extracting crate carbon 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate carbon 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carbon 0.1.0
[INFO] finished tweaking crates.io crate carbon 0.1.0
[INFO] tweaked toml for crates.io crate carbon 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 261c91dd2e518d02d1b35e09f6333df67d050cfd06ecdcf080af375d75f91eb6
[INFO] running `Command { std: "docker" "start" "-a" "261c91dd2e518d02d1b35e09f6333df67d050cfd06ecdcf080af375d75f91eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261c91dd2e518d02d1b35e09f6333df67d050cfd06ecdcf080af375d75f91eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261c91dd2e518d02d1b35e09f6333df67d050cfd06ecdcf080af375d75f91eb6", kill_on_drop: false }`
[INFO] [stdout] 261c91dd2e518d02d1b35e09f6333df67d050cfd06ecdcf080af375d75f91eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3298b7add4062a7a91874bc3ba4b4ead2c0c18afbed85de683d6aa781a272f49
[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" "3298b7add4062a7a91874bc3ba4b4ead2c0c18afbed85de683d6aa781a272f49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking carbon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/start.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 for m in (0..self.date_time.tm.tm_mon) {
[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 `for` iterator expression
[INFO] [stdout]   --> src/end.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 for month in (0..self.date_time.tm.tm_mon + 1) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/start.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 for m in (0..self.date_time.tm.tm_mon) {
[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 `for` iterator expression
[INFO] [stdout]   --> src/end.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 for month in (0..self.date_time.tm.tm_mon + 1) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Testnow` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | static mut Testnow: Option<DateTime> = None;
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper case: `TESTNOW`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Testnow` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | static mut Testnow: Option<DateTime> = None;
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper case: `TESTNOW`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3298b7add4062a7a91874bc3ba4b4ead2c0c18afbed85de683d6aa781a272f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3298b7add4062a7a91874bc3ba4b4ead2c0c18afbed85de683d6aa781a272f49", kill_on_drop: false }`
[INFO] [stdout] 3298b7add4062a7a91874bc3ba4b4ead2c0c18afbed85de683d6aa781a272f49