[INFO] fetching crate crumble 0.10.2...
[INFO] checking crumble-0.10.2 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate crumble 0.10.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate crumble 0.10.2 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crumble 0.10.2
[INFO] finished tweaking crates.io crate crumble 0.10.2
[INFO] tweaked toml for crates.io crate crumble 0.10.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88cf26cbc1d4ee022e58216edf122dcb229a8eee6c4c6ab1da64b1094876ddb5
[INFO] running `Command { std: "docker" "start" "-a" "88cf26cbc1d4ee022e58216edf122dcb229a8eee6c4c6ab1da64b1094876ddb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cf26cbc1d4ee022e58216edf122dcb229a8eee6c4c6ab1da64b1094876ddb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cf26cbc1d4ee022e58216edf122dcb229a8eee6c4c6ab1da64b1094876ddb5", kill_on_drop: false }`
[INFO] [stdout] 88cf26cbc1d4ee022e58216edf122dcb229a8eee6c4c6ab1da64b1094876ddb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2775ebb196415510ed3391a021f80839e38d575339c0d25ce7dbc1f1d47188
[INFO] running `Command { std: "docker" "start" "-a" "cb2775ebb196415510ed3391a021f80839e38d575339c0d25ce7dbc1f1d47188", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crumble v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `email`
[INFO] [stdout]    --> src/tests.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |     let email = Message::new(&message);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_email`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prepare_gmail`
[INFO] [stdout]   --> src/tests.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn prepare_gmail() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "cb2775ebb196415510ed3391a021f80839e38d575339c0d25ce7dbc1f1d47188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2775ebb196415510ed3391a021f80839e38d575339c0d25ce7dbc1f1d47188", kill_on_drop: false }`
[INFO] [stdout] cb2775ebb196415510ed3391a021f80839e38d575339c0d25ce7dbc1f1d47188