[INFO] cloning repository https://github.com/JustinLovinger/webgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JustinLovinger/webgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinLovinger%2Fwebgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinLovinger%2Fwebgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c25c68620ae8b46bf1653ab39983bc3360d6388a
[INFO] checking JustinLovinger/webgrep against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinLovinger%2Fwebgrep" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/JustinLovinger/webgrep
[INFO] finished tweaking git repo https://github.com/JustinLovinger/webgrep
[INFO] tweaked toml for git repo https://github.com/JustinLovinger/webgrep written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JustinLovinger/webgrep on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JustinLovinger/webgrep 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JustinLovinger/webgrep against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinLovinger%2Fwebgrep" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/JustinLovinger/webgrep
[INFO] finished tweaking git repo https://github.com/JustinLovinger/webgrep
[INFO] tweaked toml for git repo https://github.com/JustinLovinger/webgrep written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JustinLovinger/webgrep on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JustinLovinger/webgrep 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded quickcheck_async v0.1.1
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded indicatif v0.17.0-rc.10
[INFO] [stderr]   Downloaded xml5ever v0.16.2
[INFO] [stderr]   Downloaded html5ever v0.25.2
[INFO] [stderr]   Downloaded tracing v0.1.33
[INFO] [stderr]   Downloaded tokio-util v0.7.1
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.20
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded tracing-core v0.1.25
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded httparse v1.7.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.34.0
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.34.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.34.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.34.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.34.0
[INFO] [stderr]   Downloaded windows-sys v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f3ddea6cb42f3d3bffada9311ea6fe3b3bde2b4817922eb68eaa5eb37562de1
[INFO] running `Command { std: "docker" "start" "-a" "4f3ddea6cb42f3d3bffada9311ea6fe3b3bde2b4817922eb68eaa5eb37562de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f3ddea6cb42f3d3bffada9311ea6fe3b3bde2b4817922eb68eaa5eb37562de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3ddea6cb42f3d3bffada9311ea6fe3b3bde2b4817922eb68eaa5eb37562de1", kill_on_drop: false }`
[INFO] [stdout] 4f3ddea6cb42f3d3bffada9311ea6fe3b3bde2b4817922eb68eaa5eb37562de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e591f8430b8220378bbe023efde432c56534ef2341a2a640b80d51c9d72d5b
[INFO] running `Command { std: "docker" "start" "-a" "75e591f8430b8220378bbe023efde432c56534ef2341a2a640b80d51c9d72d5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.25
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking indicatif v0.17.0-rc.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling quickcheck_async v0.1.1
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking webgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::JoinSet`
[INFO] [stdout]    --> src/run.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use tokio::task::JoinSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::JoinSet`
[INFO] [stdout]    --> src/run.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     use tokio::task::JoinSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::JoinSet`
[INFO] [stdout]    --> src/run.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use tokio::task::JoinSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::JoinSet`
[INFO] [stdout]    --> src/run.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     use tokio::task::JoinSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `JoinSet` in `task`
[INFO] [stdout]    --> src/run.rs:45:34
[INFO] [stdout]     |
[INFO] [stdout]  45 |     let mut tasks = tokio::task::JoinSet::new();
[INFO] [stdout]     |                                  ^^^^^^^ could not find `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `JoinSet` in `task`
[INFO] [stdout]    --> src/run.rs:45:34
[INFO] [stdout]     |
[INFO] [stdout]  45 |     let mut tasks = tokio::task::JoinSet::new();
[INFO] [stdout]     |                                  ^^^^^^^ could not find `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout]     | |                           ^^^^^^^
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/run.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     while let Some(res) = tasks.join_one().await.unwrap() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/run.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     while let Some(res) = tasks.join_one().await.unwrap() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webgrep` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `webgrep` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "75e591f8430b8220378bbe023efde432c56534ef2341a2a640b80d51c9d72d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e591f8430b8220378bbe023efde432c56534ef2341a2a640b80d51c9d72d5b", kill_on_drop: false }`
[INFO] [stdout] 75e591f8430b8220378bbe023efde432c56534ef2341a2a640b80d51c9d72d5b
