[INFO] cloning repository https://github.com/MindBuffer/osc_to_beyond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MindBuffer/osc_to_beyond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindBuffer%2Fosc_to_beyond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindBuffer%2Fosc_to_beyond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e57f94b0a95afcaf39db9e8ccbfe240b665b0fba
[INFO] checking MindBuffer/osc_to_beyond against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindBuffer%2Fosc_to_beyond" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MindBuffer/osc_to_beyond on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MindBuffer/osc_to_beyond
[INFO] finished tweaking git repo https://github.com/MindBuffer/osc_to_beyond
[INFO] tweaked toml for git repo https://github.com/MindBuffer/osc_to_beyond written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MindBuffer/osc_to_beyond 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded libloading v0.4.0
[INFO] [stderr]   Downloaded rosc v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef1aa9927b78fc7670ede28518c46461fee2b9cfba0ba0c8281b285bd9e0dbb
[INFO] running `Command { std: "docker" "start" "-a" "4ef1aa9927b78fc7670ede28518c46461fee2b9cfba0ba0c8281b285bd9e0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef1aa9927b78fc7670ede28518c46461fee2b9cfba0ba0c8281b285bd9e0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef1aa9927b78fc7670ede28518c46461fee2b9cfba0ba0c8281b285bd9e0dbb", kill_on_drop: false }`
[INFO] [stdout] 4ef1aa9927b78fc7670ede28518c46461fee2b9cfba0ba0c8281b285bd9e0dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824600d0517a6b75bd51e0a773c79ded5cbe18275be1618d81c83af560e90f1e
[INFO] running `Command { std: "docker" "start" "-a" "824600d0517a6b75bd51e0a773c79ded5cbe18275be1618d81c83af560e90f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking pangolin v0.1.0 (/opt/rustwide/workdir/pangolin)
[INFO] [stderr]     Checking osc_to_beyond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut layer = layer_map.entry(message.addr.clone()).or_insert(Layer::default());
[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:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut blob_chunks = layer.blob_map.entry(time_stamp).or_insert(Vec::new());
[INFO] [stdout]     |                     ----^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut layer = layer_map.entry(message.addr.clone()).or_insert(Layer::default());
[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:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut blob_chunks = layer.blob_map.entry(time_stamp).or_insert(Vec::new());
[INFO] [stdout]     |                     ----^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "824600d0517a6b75bd51e0a773c79ded5cbe18275be1618d81c83af560e90f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824600d0517a6b75bd51e0a773c79ded5cbe18275be1618d81c83af560e90f1e", kill_on_drop: false }`
[INFO] [stdout] 824600d0517a6b75bd51e0a773c79ded5cbe18275be1618d81c83af560e90f1e