[INFO] cloning repository https://github.com/kyledewy/eth-keystore-cracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyledewy/eth-keystore-cracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyledewy%2Feth-keystore-cracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyledewy%2Feth-keystore-cracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d08046f7ac4825a6007861868d3e43dbfde170ee
[INFO] checking kyledewy/eth-keystore-cracker against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyledewy%2Feth-keystore-cracker" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyledewy/eth-keystore-cracker
[INFO] finished tweaking git repo https://github.com/kyledewy/eth-keystore-cracker
[INFO] tweaked toml for git repo https://github.com/kyledewy/eth-keystore-cracker written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyledewy/eth-keystore-cracker on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyledewy/eth-keystore-cracker 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7172e9ba9a1d6c67b7198bb67c875344999ee7224cc591603a5c0ed8511d1849
[INFO] running `Command { std: "docker" "start" "-a" "7172e9ba9a1d6c67b7198bb67c875344999ee7224cc591603a5c0ed8511d1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7172e9ba9a1d6c67b7198bb67c875344999ee7224cc591603a5c0ed8511d1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7172e9ba9a1d6c67b7198bb67c875344999ee7224cc591603a5c0ed8511d1849", kill_on_drop: false }`
[INFO] [stdout] 7172e9ba9a1d6c67b7198bb67c875344999ee7224cc591603a5c0ed8511d1849
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb3165ba01a5ad5d0b99f58c603f64c5d1da2966116280e022bf7b1abc8d176
[INFO] running `Command { std: "docker" "start" "-a" "cdb3165ba01a5ad5d0b99f58c603f64c5d1da2966116280e022bf7b1abc8d176", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
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[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling ethereum-types v0.12.1
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[INFO] [stderr]    Compiling rayon-core v1.11.0
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[INFO] [stderr]    Compiling ethabi v15.0.0
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ethers-core v0.5.5
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[INFO] [stderr]    Compiling hex-literal v0.3.4
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[INFO] [stderr]     Checking ethers-middleware v0.5.4
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[INFO] [stderr]     Checking keystore_cracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]  --> src/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_lines(path: &PathBuf) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_keystore_files` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn find_keystore_files(directory: &PathBuf) -> io::Result<Vec<PathBuf>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_keystore` is never used
[INFO] [stdout]   --> src/utils.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn is_keystore(file_content: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     /// New password for keystore (default: insecure)
[INFO] [stdout] 24 | |     #[structopt(short, long)]
[INFO] [stdout] 25 | |     password: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keystore_cracker` (bin "keystore_cracker" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]  --> src/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_lines(path: &PathBuf) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_keystore_files` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn find_keystore_files(directory: &PathBuf) -> io::Result<Vec<PathBuf>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_keystore` is never used
[INFO] [stdout]   --> src/utils.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn is_keystore(file_content: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     /// New password for keystore (default: insecure)
[INFO] [stdout] 24 | |     #[structopt(short, long)]
[INFO] [stdout] 25 | |     password: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keystore_cracker` (bin "keystore_cracker") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cdb3165ba01a5ad5d0b99f58c603f64c5d1da2966116280e022bf7b1abc8d176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb3165ba01a5ad5d0b99f58c603f64c5d1da2966116280e022bf7b1abc8d176", kill_on_drop: false }`
[INFO] [stdout] cdb3165ba01a5ad5d0b99f58c603f64c5d1da2966116280e022bf7b1abc8d176
