[INFO] fetching crate nne_core 0.1.0...
[INFO] checking nne_core-0.1.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate nne_core 0.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate nne_core 0.1.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nne_core 0.1.0
[INFO] finished tweaking crates.io crate nne_core 0.1.0
[INFO] tweaked toml for crates.io crate nne_core 0.1.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f404aeb376d0f210f7bcccb2a26a247530532153ba9902bc65877a7140eee2
[INFO] running `Command { std: "docker" "start" "-a" "13f404aeb376d0f210f7bcccb2a26a247530532153ba9902bc65877a7140eee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f404aeb376d0f210f7bcccb2a26a247530532153ba9902bc65877a7140eee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f404aeb376d0f210f7bcccb2a26a247530532153ba9902bc65877a7140eee2", kill_on_drop: false }`
[INFO] [stdout] 13f404aeb376d0f210f7bcccb2a26a247530532153ba9902bc65877a7140eee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7bac7550b7c01f4e29680129f9bfa7ddb51ec8154f79dc4e02b041c14bfabe7
[INFO] running `Command { std: "docker" "start" "-a" "d7bac7550b7c01f4e29680129f9bfa7ddb51ec8154f79dc4e02b041c14bfabe7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking nne_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::open`
[INFO] [stdout]  --> src/fs/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::open;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d7bac7550b7c01f4e29680129f9bfa7ddb51ec8154f79dc4e02b041c14bfabe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bac7550b7c01f4e29680129f9bfa7ddb51ec8154f79dc4e02b041c14bfabe7", kill_on_drop: false }`
[INFO] [stdout] d7bac7550b7c01f4e29680129f9bfa7ddb51ec8154f79dc4e02b041c14bfabe7