[INFO] fetching crate netbrowse 0.1.0...
[INFO] checking netbrowse-0.1.0 against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert
[INFO] extracting crate netbrowse 0.1.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate netbrowse 0.1.0 on toolchain bdcb6a99e853732f8ec050ae4986aa3af51d44c5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netbrowse 0.1.0
[INFO] finished tweaking crates.io crate netbrowse 0.1.0
[INFO] tweaked toml for crates.io crate netbrowse 0.1.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate crates.io crate netbrowse 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6089b095b93ad17c7abd0fce6f3aff5fd33fb39bab50e20c6a073c3a93d1cce2
[INFO] running `Command { std: "docker" "start" "-a" "6089b095b93ad17c7abd0fce6f3aff5fd33fb39bab50e20c6a073c3a93d1cce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6089b095b93ad17c7abd0fce6f3aff5fd33fb39bab50e20c6a073c3a93d1cce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6089b095b93ad17c7abd0fce6f3aff5fd33fb39bab50e20c6a073c3a93d1cce2", kill_on_drop: false }`
[INFO] [stdout] 6089b095b93ad17c7abd0fce6f3aff5fd33fb39bab50e20c6a073c3a93d1cce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e24268f903621b336cedc5a3fab6add2725cb50ef7774cf9d200956daae7fe
[INFO] running `Command { std: "docker" "start" "-a" "81e24268f903621b336cedc5a3fab6add2725cb50ef7774cf9d200956daae7fe", kill_on_drop: false }`
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[INFO] [stderr]     Checking netbrowse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Child`, `Sender`
[INFO] [stdout]  --> src/ipc.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     process::{Child, Stdio},
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout] 9 |     sync::mpsc::{self, Receiver, Sender},
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Child`, `Sender`
[INFO] [stdout]  --> src/ipc.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     process::{Child, Stdio},
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout] 9 |     sync::mpsc::{self, Receiver, Sender},
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/ipc.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/ipc.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]    --> src/ipc.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     thread: JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `AvahiSubprocess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ipc.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]    --> src/ipc.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     thread: JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `AvahiSubprocess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ipc.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1m 04s
[INFO] running `Command { std: "docker" "inspect" "81e24268f903621b336cedc5a3fab6add2725cb50ef7774cf9d200956daae7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e24268f903621b336cedc5a3fab6add2725cb50ef7774cf9d200956daae7fe", kill_on_drop: false }`
[INFO] [stdout] 81e24268f903621b336cedc5a3fab6add2725cb50ef7774cf9d200956daae7fe