[INFO] cloning repository https://github.com/psatomas/regular-expressions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/regular-expressions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fregular-expressions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fregular-expressions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b80dc7f86d48e7cfa63da753ce8c99dbcf98a2e6
[INFO] checking psatomas/regular-expressions against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fregular-expressions" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/regular-expressions
[INFO] finished tweaking git repo https://github.com/psatomas/regular-expressions
[INFO] tweaked toml for git repo https://github.com/psatomas/regular-expressions written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/regular-expressions on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/regular-expressions 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fddfba5a942dc7a9f703c14031ab22a7df62cf00294fe189f6e692bd57cdb67a
[INFO] running `Command { std: "docker" "start" "-a" "fddfba5a942dc7a9f703c14031ab22a7df62cf00294fe189f6e692bd57cdb67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddfba5a942dc7a9f703c14031ab22a7df62cf00294fe189f6e692bd57cdb67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddfba5a942dc7a9f703c14031ab22a7df62cf00294fe189f6e692bd57cdb67a", kill_on_drop: false }`
[INFO] [stdout] fddfba5a942dc7a9f703c14031ab22a7df62cf00294fe189f6e692bd57cdb67a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a883a8fb10120404eadf757497b4b7225349ba0977325038cd01f02d46e40e14
[INFO] running `Command { std: "docker" "start" "-a" "a883a8fb10120404eadf757497b4b7225349ba0977325038cd01f02d46e40e14", kill_on_drop: false }`
[INFO] [stderr]     Checking regular-expressions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `timestamp`, `category`, `endpoint`, and `id` are never read
[INFO] [stdout]   --> src/bin/coding_challenges.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct LogEntry {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 91 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 92 |     category: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEntry` has a derived impl for the trait `Debug`, but this is 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 `timestamp`, `category`, `endpoint`, and `id` are never read
[INFO] [stdout]   --> src/bin/coding_challenges.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct LogEntry {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 91 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 92 |     category: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEntry` has a derived impl for the trait `Debug`, but this is 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 0.09s
[INFO] running `Command { std: "docker" "inspect" "a883a8fb10120404eadf757497b4b7225349ba0977325038cd01f02d46e40e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a883a8fb10120404eadf757497b4b7225349ba0977325038cd01f02d46e40e14", kill_on_drop: false }`
[INFO] [stdout] a883a8fb10120404eadf757497b4b7225349ba0977325038cd01f02d46e40e14