[INFO] fetching crate royal 0.1.5...
[INFO] building royal-0.1.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate royal 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate royal 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate royal 0.1.5
[INFO] tweaked toml for crates.io crate royal 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate royal 0.1.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate royal 0.1.5 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0142c7804ca18aa36792669797315824caeeb8332fd1c0ffb67af7f13869c87a
[INFO] running `Command { std: "docker" "start" "-a" "0142c7804ca18aa36792669797315824caeeb8332fd1c0ffb67af7f13869c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0142c7804ca18aa36792669797315824caeeb8332fd1c0ffb67af7f13869c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0142c7804ca18aa36792669797315824caeeb8332fd1c0ffb67af7f13869c87a", kill_on_drop: false }`
[INFO] [stdout] 0142c7804ca18aa36792669797315824caeeb8332fd1c0ffb67af7f13869c87a
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5ac0c6c815fb5c39d6ae21a8debc714ec38b840da3e7b77d93ded1dae879e4
[INFO] running `Command { std: "docker" "start" "-a" "ea5ac0c6c815fb5c39d6ae21a8debc714ec38b840da3e7b77d93ded1dae879e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling royal v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/parser/message.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         for (i, part) in parts.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/message.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut parts = content.split('[').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "ea5ac0c6c815fb5c39d6ae21a8debc714ec38b840da3e7b77d93ded1dae879e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5ac0c6c815fb5c39d6ae21a8debc714ec38b840da3e7b77d93ded1dae879e4", kill_on_drop: false }`
[INFO] [stdout] ea5ac0c6c815fb5c39d6ae21a8debc714ec38b840da3e7b77d93ded1dae879e4
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf99bd5adaee42f22c4be1c453c5c0fb87a124f9b68bfbb5c4a0b5be937e6292
[INFO] running `Command { std: "docker" "start" "-a" "bf99bd5adaee42f22c4be1c453c5c0fb87a124f9b68bfbb5c4a0b5be937e6292", kill_on_drop: false }`
[INFO] [stderr]    Compiling royal v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/parser/message.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         for (i, part) in parts.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/message.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut parts = content.split('[').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/parser/message.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         for (i, part) in parts.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/message.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut parts = content.split('[').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bf99bd5adaee42f22c4be1c453c5c0fb87a124f9b68bfbb5c4a0b5be937e6292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf99bd5adaee42f22c4be1c453c5c0fb87a124f9b68bfbb5c4a0b5be937e6292", kill_on_drop: false }`
[INFO] [stdout] bf99bd5adaee42f22c4be1c453c5c0fb87a124f9b68bfbb5c4a0b5be937e6292
