[INFO] fetching crate prac 0.1.6...
[INFO] checking prac-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate prac 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate prac 0.1.6 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 crates.io crate prac 0.1.6
[INFO] finished tweaking crates.io crate prac 0.1.6
[INFO] tweaked toml for crates.io crate prac 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate prac 0.1.6 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded vte v0.11.1
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded tuikit v0.5.0
[INFO] [stderr]   Downloaded errno v0.3.4
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded defer-drop v1.3.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.11.2
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded dialoguer v0.10.4
[INFO] [stderr]   Downloaded hashbrown v0.14.1
[INFO] [stderr]   Downloaded rustix v0.38.15
[INFO] [stderr]   Downloaded indexmap v2.0.2
[INFO] [stderr]   Downloaded aho-corasick v1.1.1
[INFO] [stderr]   Downloaded derive_builder_core v0.11.2
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded skim v0.10.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 000113ccdd7561cf3c5a679c45ee352004d00d0b61aa25484870d0c06c5bef03
[INFO] running `Command { std: "docker" "start" "-a" "000113ccdd7561cf3c5a679c45ee352004d00d0b61aa25484870d0c06c5bef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000113ccdd7561cf3c5a679c45ee352004d00d0b61aa25484870d0c06c5bef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000113ccdd7561cf3c5a679c45ee352004d00d0b61aa25484870d0c06c5bef03", kill_on_drop: false }`
[INFO] [stdout] 000113ccdd7561cf3c5a679c45ee352004d00d0b61aa25484870d0c06c5bef03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d23d3a1a65b4515f9868e8ffedaa560dfb7273a1d9041767b0d016ad9b2c224c
[INFO] running `Command { std: "docker" "start" "-a" "d23d3a1a65b4515f9868e8ffedaa560dfb7273a1d9041767b0d016ad9b2c224c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking tuikit v0.5.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking defer-drop v1.3.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking beef v0.5.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking dialoguer v0.10.4
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.3.0
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling pest_meta v2.7.4
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]    Compiling pest_generator v2.7.4
[INFO] [stderr]    Compiling pest_derive v2.7.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking skim v0.10.4
[INFO] [stderr]     Checking prac v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.08s
[INFO] running `Command { std: "docker" "inspect" "d23d3a1a65b4515f9868e8ffedaa560dfb7273a1d9041767b0d016ad9b2c224c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23d3a1a65b4515f9868e8ffedaa560dfb7273a1d9041767b0d016ad9b2c224c", kill_on_drop: false }`
[INFO] [stdout] d23d3a1a65b4515f9868e8ffedaa560dfb7273a1d9041767b0d016ad9b2c224c
[INFO] checking prac-0.1.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate prac 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate prac 0.1.6 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prac 0.1.6
[INFO] finished tweaking crates.io crate prac 0.1.6
[INFO] tweaked toml for crates.io crate prac 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate prac 0.1.6 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 805f4d261b92abff9f99542d6a3d2fc16cdd4838d582002c65009881d84febfe
[INFO] running `Command { std: "docker" "start" "-a" "805f4d261b92abff9f99542d6a3d2fc16cdd4838d582002c65009881d84febfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805f4d261b92abff9f99542d6a3d2fc16cdd4838d582002c65009881d84febfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805f4d261b92abff9f99542d6a3d2fc16cdd4838d582002c65009881d84febfe", kill_on_drop: false }`
[INFO] [stdout] 805f4d261b92abff9f99542d6a3d2fc16cdd4838d582002c65009881d84febfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c15d67ce838211769ec34eb828726bbc9c0f1ed99511fa3dff04576fdd4f1fa7
[INFO] running `Command { std: "docker" "start" "-a" "c15d67ce838211769ec34eb828726bbc9c0f1ed99511fa3dff04576fdd4f1fa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking tuikit v0.5.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking defer-drop v1.3.0
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking beef v0.5.2
[INFO] [stderr]     Checking dialoguer v0.10.4
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.3.0
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]    Compiling pest_meta v2.7.4
[INFO] [stderr]    Compiling pest_generator v2.7.4
[INFO] [stderr]    Compiling pest_derive v2.7.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking skim v0.10.4
[INFO] [stderr]     Checking prac v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.25s
[INFO] running `Command { std: "docker" "inspect" "c15d67ce838211769ec34eb828726bbc9c0f1ed99511fa3dff04576fdd4f1fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15d67ce838211769ec34eb828726bbc9c0f1ed99511fa3dff04576fdd4f1fa7", kill_on_drop: false }`
[INFO] [stdout] c15d67ce838211769ec34eb828726bbc9c0f1ed99511fa3dff04576fdd4f1fa7