[INFO] cloning repository https://github.com/shelbyd/vanitygen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelbyd/vanitygen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fvanitygen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fvanitygen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3100e0d14d62c954e20bd1dda2ab8b67f5f447c
[INFO] checking shelbyd/vanitygen 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%2Fshelbyd%2Fvanitygen" "/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/shelbyd/vanitygen
[INFO] finished tweaking git repo https://github.com/shelbyd/vanitygen
[INFO] tweaked toml for git repo https://github.com/shelbyd/vanitygen written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shelbyd/vanitygen 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/shelbyd/vanitygen 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] cc6a0acb56865585a8e3d83aa54a25f2562b9ddaa7b2cb4dfb8f079d94a3fb7b
[INFO] running `Command { std: "docker" "start" "-a" "cc6a0acb56865585a8e3d83aa54a25f2562b9ddaa7b2cb4dfb8f079d94a3fb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc6a0acb56865585a8e3d83aa54a25f2562b9ddaa7b2cb4dfb8f079d94a3fb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6a0acb56865585a8e3d83aa54a25f2562b9ddaa7b2cb4dfb8f079d94a3fb7b", kill_on_drop: false }`
[INFO] [stdout] cc6a0acb56865585a8e3d83aa54a25f2562b9ddaa7b2cb4dfb8f079d94a3fb7b
[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] f08f441d5936271132207e70cc2ba043be7bb0d56744864931312d607982394a
[INFO] running `Command { std: "docker" "start" "-a" "f08f441d5936271132207e70cc2ba043be7bb0d56744864931312d607982394a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling synstructure v0.12.5
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[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
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[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
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[INFO] [stderr]     Checking dyn-clonable v0.9.0
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[INFO] [stderr]    Compiling structopt-derive v0.4.15
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[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
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[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]     Checking impl-codec v0.5.1
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[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking vanitygen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[structopt(long, help = "Desired prefix of the address")]
[INFO] [stdout] 26 | |     prefix: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(long, help = "Prefix for the secret seed", default_value = "")]
[INFO] [stdout] 29 | |     seed_prefix: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     #[structopt(long, help = "Desired prefix of the address")]
[INFO] [stdout] 51 | |     prefix: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     #[structopt(
[INFO] [stdout] 54 | |         long,
[INFO] [stdout] 55 | |         help = "Fill remaining space with this string repeated",
[INFO] [stdout] 56 | |         default_value = "x"
[INFO] [stdout] 57 | |     )]
[INFO] [stdout] 58 | |     fill_with: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(sp_core::sr25519::Pair, std::option::Option<[u8; 32]>), sp_core::crypto::Infallible>
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 p.derive(core::iter::once(DeriveJunction::hard(n)), None)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[structopt(long, help = "Desired prefix of the address")]
[INFO] [stdout] 26 | |     prefix: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(long, help = "Prefix for the secret seed", default_value = "")]
[INFO] [stdout] 29 | |     seed_prefix: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     #[structopt(long, help = "Desired prefix of the address")]
[INFO] [stdout] 51 | |     prefix: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     #[structopt(
[INFO] [stdout] 54 | |         long,
[INFO] [stdout] 55 | |         help = "Fill remaining space with this string repeated",
[INFO] [stdout] 56 | |         default_value = "x"
[INFO] [stdout] 57 | |     )]
[INFO] [stdout] 58 | |     fill_with: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(sp_core::sr25519::Pair, std::option::Option<[u8; 32]>), sp_core::crypto::Infallible>
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 p.derive(core::iter::once(DeriveJunction::hard(n)), None)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vanitygen` (bin "vanitygen") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `vanitygen` (bin "vanitygen" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f08f441d5936271132207e70cc2ba043be7bb0d56744864931312d607982394a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08f441d5936271132207e70cc2ba043be7bb0d56744864931312d607982394a", kill_on_drop: false }`
[INFO] [stdout] f08f441d5936271132207e70cc2ba043be7bb0d56744864931312d607982394a
