[INFO] cloning repository https://github.com/xd009642/keysmash_generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xd009642/keysmash_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Fkeysmash_generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Fkeysmash_generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9dbb2255973517efd1ba9027e8617b22ce03211d [INFO] checking xd009642/keysmash_generator 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%2Fxd009642%2Fkeysmash_generator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/xd009642/keysmash_generator [INFO] finished tweaking git repo https://github.com/xd009642/keysmash_generator [INFO] tweaked toml for git repo https://github.com/xd009642/keysmash_generator written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/xd009642/keysmash_generator 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/xd009642/keysmash_generator 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d002a45254f4c348f0694a1568953d9a017d34c1eff8f317721e5e2c7d39004b [INFO] running `Command { std: "docker" "start" "-a" "d002a45254f4c348f0694a1568953d9a017d34c1eff8f317721e5e2c7d39004b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d002a45254f4c348f0694a1568953d9a017d34c1eff8f317721e5e2c7d39004b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d002a45254f4c348f0694a1568953d9a017d34c1eff8f317721e5e2c7d39004b", kill_on_drop: false }` [INFO] [stdout] d002a45254f4c348f0694a1568953d9a017d34c1eff8f317721e5e2c7d39004b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5ff85d484b8eac0b7a5fdf4b7517d0628d00dbaa8de423bc3c2afbe73f0688f1 [INFO] running `Command { std: "docker" "start" "-a" "5ff85d484b8eac0b7a5fdf4b7517d0628d00dbaa8de423bc3c2afbe73f0688f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.14 [INFO] [stderr] Checking clap v3.0.14 [INFO] [stderr] Checking keysmash_generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / /// Optional lexicon of characters to use [INFO] [stdout] 11 | | #[clap(long)] [INFO] [stdout] 12 | | choices: Option, [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 [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / /// Optional lexicon of characters to use [INFO] [stdout] 11 | | #[clap(long)] [INFO] [stdout] 12 | | choices: Option, [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 `keysmash_generator` (bin "keysmash_generator") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `keysmash_generator` (bin "keysmash_generator" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "5ff85d484b8eac0b7a5fdf4b7517d0628d00dbaa8de423bc3c2afbe73f0688f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff85d484b8eac0b7a5fdf4b7517d0628d00dbaa8de423bc3c2afbe73f0688f1", kill_on_drop: false }` [INFO] [stdout] 5ff85d484b8eac0b7a5fdf4b7517d0628d00dbaa8de423bc3c2afbe73f0688f1