[INFO] fetching crate cronenberg 0.3.0...
[INFO] checking cronenberg-0.3.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate cronenberg 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cronenberg 0.3.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cronenberg 0.3.0
[INFO] finished tweaking crates.io crate cronenberg 0.3.0
[INFO] tweaked toml for crates.io crate cronenberg 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad7fbacd94837423a3fa9881ba7de1000123226937623445d1e693062be13b1
[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" "6ad7fbacd94837423a3fa9881ba7de1000123226937623445d1e693062be13b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad7fbacd94837423a3fa9881ba7de1000123226937623445d1e693062be13b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad7fbacd94837423a3fa9881ba7de1000123226937623445d1e693062be13b1", kill_on_drop: false }`
[INFO] [stdout] 6ad7fbacd94837423a3fa9881ba7de1000123226937623445d1e693062be13b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f17b26ded0399811ea2ad8b99f3a7a8a8e0bf20cd0b4156cdcb655951bf8b8b4
[INFO] running `Command { std: "docker" "start" "-a" "f17b26ded0399811ea2ad8b99f3a7a8a8e0bf20cd0b4156cdcb655951bf8b8b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking cronenberg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::CronItem`
[INFO] [stdout]   --> src/cron_item.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use super::CronItem;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TimeItem::*`
[INFO] [stdout]   --> src/cron_item.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use super::TimeItem::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/cron_item.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ToString`
[INFO] [stdout]   --> src/cron_item.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use std::string::ToString;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/parser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cronenberg::TimeItem::*`
[INFO] [stdout]  --> tests/lib_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cronenberg::TimeItem::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f17b26ded0399811ea2ad8b99f3a7a8a8e0bf20cd0b4156cdcb655951bf8b8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17b26ded0399811ea2ad8b99f3a7a8a8e0bf20cd0b4156cdcb655951bf8b8b4", kill_on_drop: false }`
[INFO] [stdout] f17b26ded0399811ea2ad8b99f3a7a8a8e0bf20cd0b4156cdcb655951bf8b8b4