[INFO] cloning repository https://github.com/umaumax/hexgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umaumax/hexgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumaumax%2Fhexgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumaumax%2Fhexgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eea3b93024ca73088e111d534de2732fd5137fb
[INFO] checking umaumax/hexgrep 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%2Fumaumax%2Fhexgrep" "/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/umaumax/hexgrep
[INFO] finished tweaking git repo https://github.com/umaumax/hexgrep
[INFO] tweaked toml for git repo https://github.com/umaumax/hexgrep written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/umaumax/hexgrep 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/umaumax/hexgrep 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] d0a2438ad0ded246826085fd73f38240e4eb8ad69fb4d86a05764ac493f4167b
[INFO] running `Command { std: "docker" "start" "-a" "d0a2438ad0ded246826085fd73f38240e4eb8ad69fb4d86a05764ac493f4167b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a2438ad0ded246826085fd73f38240e4eb8ad69fb4d86a05764ac493f4167b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a2438ad0ded246826085fd73f38240e4eb8ad69fb4d86a05764ac493f4167b", kill_on_drop: false }`
[INFO] [stdout] d0a2438ad0ded246826085fd73f38240e4eb8ad69fb4d86a05764ac493f4167b
[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] 5cd5d06ac6edb4ea99b90c05eafe074d34e93bb1adbccff4617c7780dba9202a
[INFO] running `Command { std: "docker" "start" "-a" "5cd5d06ac6edb4ea99b90c05eafe074d34e93bb1adbccff4617c7780dba9202a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking hexgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "hex",
[INFO] [stdout] 33 | |         required_unless = "text-pattern",
[INFO] [stdout] 34 | |         conflicts_with = "text-pattern",
[INFO] [stdout] 35 | |         help = "e.g. --hex 6e616e6f6861 or use --text"
[INFO] [stdout] 36 | |     )]
[INFO] [stdout] 37 | |     hex_pattern: 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] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     #[structopt(
[INFO] [stdout] 40 | |         long = "text",
[INFO] [stdout] 41 | |         required_unless = "hex-pattern",
[INFO] [stdout] 42 | |         conflicts_with = "hex-pattern",
[INFO] [stdout] 43 | |         help = "e.g. --text rust or use --hex"
[INFO] [stdout] 44 | |     )]
[INFO] [stdout] 45 | |     text_pattern: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hexgrep` (bin "hexgrep" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "hex",
[INFO] [stdout] 33 | |         required_unless = "text-pattern",
[INFO] [stdout] 34 | |         conflicts_with = "text-pattern",
[INFO] [stdout] 35 | |         help = "e.g. --hex 6e616e6f6861 or use --text"
[INFO] [stdout] 36 | |     )]
[INFO] [stdout] 37 | |     hex_pattern: 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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     #[structopt(
[INFO] [stdout] 40 | |         long = "text",
[INFO] [stdout] 41 | |         required_unless = "hex-pattern",
[INFO] [stdout] 42 | |         conflicts_with = "hex-pattern",
[INFO] [stdout] 43 | |         help = "e.g. --text rust or use --hex"
[INFO] [stdout] 44 | |     )]
[INFO] [stdout] 45 | |     text_pattern: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hexgrep` (bin "hexgrep") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5cd5d06ac6edb4ea99b90c05eafe074d34e93bb1adbccff4617c7780dba9202a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd5d06ac6edb4ea99b90c05eafe074d34e93bb1adbccff4617c7780dba9202a", kill_on_drop: false }`
[INFO] [stdout] 5cd5d06ac6edb4ea99b90c05eafe074d34e93bb1adbccff4617c7780dba9202a
