[INFO] cloning repository https://github.com/kahing/fanotify-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kahing/fanotify-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahing%2Ffanotify-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahing%2Ffanotify-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3673c80543637d469ebb021dac71313405460ee8
[INFO] checking kahing/fanotify-cli 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%2Fkahing%2Ffanotify-cli" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kahing/fanotify-cli
[INFO] finished tweaking git repo https://github.com/kahing/fanotify-cli
[INFO] tweaked toml for git repo https://github.com/kahing/fanotify-cli written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kahing/fanotify-cli 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/kahing/fanotify-cli 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 82a7dc043612bf7125cd79790b584816d9b8173a2feb7e651ec42476665fcda8
[INFO] running `Command { std: "docker" "start" "-a" "82a7dc043612bf7125cd79790b584816d9b8173a2feb7e651ec42476665fcda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a7dc043612bf7125cd79790b584816d9b8173a2feb7e651ec42476665fcda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a7dc043612bf7125cd79790b584816d9b8173a2feb7e651ec42476665fcda8", kill_on_drop: false }`
[INFO] [stdout] 82a7dc043612bf7125cd79790b584816d9b8173a2feb7e651ec42476665fcda8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6a9abc08a5e4b5a76580d064da951cc11cc0088a3fd1a00a63b97bc1604133d5
[INFO] running `Command { std: "docker" "start" "-a" "6a9abc08a5e4b5a76580d064da951cc11cc0088a3fd1a00a63b97bc1604133d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling libc v0.2.68 (https://github.com/rust-lang/libc/#1d9e5fbc)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking fanotify-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/flags.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// default: FAN_ACCESS,FAN_MODIFY,FAN_CLOSE_WRITE,FAN_CLOSE_NOWRITE,FAN_OPEN,FAN_ONDIR,FAN_EVENT_ON_CHILD
[INFO] [stdout] 18 | |     #[structopt(short, long)]
[INFO] [stdout] 19 | |     pub events: 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 `fanotify-cli` (bin "fanotify-cli") due to 1 previous error
[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/flags.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// default: FAN_ACCESS,FAN_MODIFY,FAN_CLOSE_WRITE,FAN_CLOSE_NOWRITE,FAN_OPEN,FAN_ONDIR,FAN_EVENT_ON_CHILD
[INFO] [stdout] 18 | |     #[structopt(short, long)]
[INFO] [stdout] 19 | |     pub events: 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:98:40
[INFO] [stdout]     |
[INFO] [stdout]  98 |         ($(iter.next().and_then(|word| word.parse::<$x>().ok()),)*)
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |         assert_eq!(scan!("1 2", String, i32), (Some("1".into()), Some(2)));
[INFO] [stdout]     |                    ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fanotify-cli` (bin "fanotify-cli" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a9abc08a5e4b5a76580d064da951cc11cc0088a3fd1a00a63b97bc1604133d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9abc08a5e4b5a76580d064da951cc11cc0088a3fd1a00a63b97bc1604133d5", kill_on_drop: false }`
[INFO] [stdout] 6a9abc08a5e4b5a76580d064da951cc11cc0088a3fd1a00a63b97bc1604133d5