[INFO] cloning repository https://github.com/TheRealH0/try
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRealH0/try" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRealH0%2Ftry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRealH0%2Ftry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d396e7ac9dee318249c734098ea59597469fab
[INFO] checking TheRealH0/try against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRealH0%2Ftry" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheRealH0/try on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheRealH0/try
[INFO] finished tweaking git repo https://github.com/TheRealH0/try
[INFO] tweaked toml for git repo https://github.com/TheRealH0/try written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/TheRealH0/try already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4294aa49462bee36691de695736c7432b33670f01708d4f04baf30598b23db48
[INFO] running `Command { std: "docker" "start" "-a" "4294aa49462bee36691de695736c7432b33670f01708d4f04baf30598b23db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4294aa49462bee36691de695736c7432b33670f01708d4f04baf30598b23db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4294aa49462bee36691de695736c7432b33670f01708d4f04baf30598b23db48", kill_on_drop: false }`
[INFO] [stdout] 4294aa49462bee36691de695736c7432b33670f01708d4f04baf30598b23db48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b1fdd12c78ca9d9716f65108c49f5b179846288ac3b342de75e59dd075151e
[INFO] running `Command { std: "docker" "start" "-a" "66b1fdd12c78ca9d9716f65108c49f5b179846288ac3b342de75e59dd075151e", kill_on_drop: false }`
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[INFO] [stderr]     Checking tokio-uds v0.2.1
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[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]    Compiling string_cache v0.6.2
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[INFO] [stderr]     Checking rust-wildbow-scraper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `StoreTrue`
[INFO] [stdout]  --> src/main.rs:8:55
[INFO] [stdout]   |
[INFO] [stdout] 8 | use argparse::{ArgumentParser, PushConst, StoreConst, StoreTrue};
[INFO] [stdout]   |                                                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StoreTrue`
[INFO] [stdout]  --> src/main.rs:8:55
[INFO] [stdout]   |
[INFO] [stdout] 8 | use argparse::{ArgumentParser, PushConst, StoreConst, StoreTrue};
[INFO] [stdout]   |                                                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut r: Option<bool>;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut r: Option<bool>;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.15s
[INFO] running `Command { std: "docker" "inspect" "66b1fdd12c78ca9d9716f65108c49f5b179846288ac3b342de75e59dd075151e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b1fdd12c78ca9d9716f65108c49f5b179846288ac3b342de75e59dd075151e", kill_on_drop: false }`
[INFO] [stdout] 66b1fdd12c78ca9d9716f65108c49f5b179846288ac3b342de75e59dd075151e