[INFO] cloning repository https://github.com/keith/diff-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keith/diff-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeith%2Fdiff-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeith%2Fdiff-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 719645befffce27408ef360d4d1fb1b7f712f1d7
[INFO] checking keith/diff-grep 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%2Fkeith%2Fdiff-grep" "/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/keith/diff-grep
[INFO] finished tweaking git repo https://github.com/keith/diff-grep
[INFO] tweaked toml for git repo https://github.com/keith/diff-grep written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keith/diff-grep 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/keith/diff-grep 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] 4eae28bbc738ed5c0e05ff0d8fc909c686238e181873d9564c556d9c687c6744
[INFO] running `Command { std: "docker" "start" "-a" "4eae28bbc738ed5c0e05ff0d8fc909c686238e181873d9564c556d9c687c6744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eae28bbc738ed5c0e05ff0d8fc909c686238e181873d9564c556d9c687c6744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eae28bbc738ed5c0e05ff0d8fc909c686238e181873d9564c556d9c687c6744", kill_on_drop: false }`
[INFO] [stdout] 4eae28bbc738ed5c0e05ff0d8fc909c686238e181873d9564c556d9c687c6744
[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] 5a8ed2d5407f735b378b6a02673fa93895ee2b6937ed44930a69c3bddf5ed628
[INFO] running `Command { std: "docker" "start" "-a" "5a8ed2d5407f735b378b6a02673fa93895ee2b6937ed44930a69c3bddf5ed628", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nom_locate v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking patch v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking diff-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/opts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// The input file path containing the patch to grep, defaults to stdin
[INFO] [stdout] 7 | |     #[clap(short, long, default_value = "-")]
[INFO] [stdout] 8 | |     pub input: 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/opts.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// The output file path to write any matches, defaults to stdout
[INFO] [stdout] 10 | |     #[clap(short, long, default_value = "-")]
[INFO] [stdout] 11 | |     pub output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/opts.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// The literal patterns to match against
[INFO] [stdout] 13 | |     #[clap(required = true)]
[INFO] [stdout] 14 | |     pub patterns: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/opts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// The input file path containing the patch to grep, defaults to stdin
[INFO] [stdout] 7 | |     #[clap(short, long, default_value = "-")]
[INFO] [stdout] 8 | |     pub input: 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/opts.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// The output file path to write any matches, defaults to stdout
[INFO] [stdout] 10 | |     #[clap(short, long, default_value = "-")]
[INFO] [stdout] 11 | |     pub output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/opts.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// The literal patterns to match against
[INFO] [stdout] 13 | |     #[clap(required = true)]
[INFO] [stdout] 14 | |     pub patterns: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diff-grep` (bin "diff-grep" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `diff-grep` (bin "diff-grep") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a8ed2d5407f735b378b6a02673fa93895ee2b6937ed44930a69c3bddf5ed628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8ed2d5407f735b378b6a02673fa93895ee2b6937ed44930a69c3bddf5ed628", kill_on_drop: false }`
[INFO] [stdout] 5a8ed2d5407f735b378b6a02673fa93895ee2b6937ed44930a69c3bddf5ed628
