[INFO] cloning repository https://github.com/torsten-ostgard/color-bruteforcer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torsten-ostgard/color-bruteforcer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c911ddb54a22b54571bd28732f1c4bbcbe63107
[INFO] checking torsten-ostgard/color-bruteforcer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torsten-ostgard/color-bruteforcer 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/torsten-ostgard/color-bruteforcer
[INFO] finished tweaking git repo https://github.com/torsten-ostgard/color-bruteforcer
[INFO] tweaked toml for git repo https://github.com/torsten-ostgard/color-bruteforcer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/torsten-ostgard/color-bruteforcer 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 crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded rustyline v6.0.0
[INFO] [stderr]   Downloaded promptly v0.3.0
[INFO] [stderr]   Downloaded pbr v1.0.2
[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] 1c9129a704f2efbcea199990ea7489011307c1f452cce12b57f208296c295c11
[INFO] running `Command { std: "docker" "start" "-a" "1c9129a704f2efbcea199990ea7489011307c1f452cce12b57f208296c295c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9129a704f2efbcea199990ea7489011307c1f452cce12b57f208296c295c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9129a704f2efbcea199990ea7489011307c1f452cce12b57f208296c295c11", kill_on_drop: false }`
[INFO] [stdout] 1c9129a704f2efbcea199990ea7489011307c1f452cce12b57f208296c295c11
[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] 405ff9240702415925821151bd62d9ba7d2fe3b0be07ee19d9daa21423813673
[INFO] running `Command { std: "docker" "start" "-a" "405ff9240702415925821151bd62d9ba7d2fe3b0be07ee19d9daa21423813673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking promptly v0.3.0
[INFO] [stderr]     Checking color_bruteforcer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 13.87s
[INFO] running `Command { std: "docker" "inspect" "405ff9240702415925821151bd62d9ba7d2fe3b0be07ee19d9daa21423813673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405ff9240702415925821151bd62d9ba7d2fe3b0be07ee19d9daa21423813673", kill_on_drop: false }`
[INFO] [stdout] 405ff9240702415925821151bd62d9ba7d2fe3b0be07ee19d9daa21423813673
[INFO] checking torsten-ostgard/color-bruteforcer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torsten-ostgard/color-bruteforcer 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 git repo https://github.com/torsten-ostgard/color-bruteforcer
[INFO] finished tweaking git repo https://github.com/torsten-ostgard/color-bruteforcer
[INFO] tweaked toml for git repo https://github.com/torsten-ostgard/color-bruteforcer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/torsten-ostgard/color-bruteforcer 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] 88cab9a11cfc70bb95d709fc5fd5c43fb78777a5fd76fd8d6741558a3a690dbc
[INFO] running `Command { std: "docker" "start" "-a" "88cab9a11cfc70bb95d709fc5fd5c43fb78777a5fd76fd8d6741558a3a690dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cab9a11cfc70bb95d709fc5fd5c43fb78777a5fd76fd8d6741558a3a690dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cab9a11cfc70bb95d709fc5fd5c43fb78777a5fd76fd8d6741558a3a690dbc", kill_on_drop: false }`
[INFO] [stdout] 88cab9a11cfc70bb95d709fc5fd5c43fb78777a5fd76fd8d6741558a3a690dbc
[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] 2bf357876174b123d36c097b85ac8789d4c8bec17358ac5a2dd6578f5a644749
[INFO] running `Command { std: "docker" "start" "-a" "2bf357876174b123d36c097b85ac8789d4c8bec17358ac5a2dd6578f5a644749", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking promptly v0.3.0
[INFO] [stderr]     Checking color_bruteforcer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 13.46s
[INFO] running `Command { std: "docker" "inspect" "2bf357876174b123d36c097b85ac8789d4c8bec17358ac5a2dd6578f5a644749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf357876174b123d36c097b85ac8789d4c8bec17358ac5a2dd6578f5a644749", kill_on_drop: false }`
[INFO] [stdout] 2bf357876174b123d36c097b85ac8789d4c8bec17358ac5a2dd6578f5a644749