[INFO] fetching crate warm-fs 0.2.0...
[INFO] checking warm-fs-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate warm-fs 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate warm-fs 0.2.0
[INFO] finished tweaking crates.io crate warm-fs 0.2.0
[INFO] tweaked toml for crates.io crate warm-fs 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate warm-fs 0.2.0 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 crates.io crate warm-fs 0.2.0 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] a94ab120ca5cdbbbd6abb5a653bc568b06d81b534aa101f170e73954db56f89a
[INFO] running `Command { std: "docker" "start" "-a" "a94ab120ca5cdbbbd6abb5a653bc568b06d81b534aa101f170e73954db56f89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94ab120ca5cdbbbd6abb5a653bc568b06d81b534aa101f170e73954db56f89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94ab120ca5cdbbbd6abb5a653bc568b06d81b534aa101f170e73954db56f89a", kill_on_drop: false }`
[INFO] [stdout] a94ab120ca5cdbbbd6abb5a653bc568b06d81b534aa101f170e73954db56f89a
[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] 70f90e73c0b055125f555dfb4e90f87dc8364006607077d4a89d273ebbe3e84e
[INFO] running `Command { std: "docker" "start" "-a" "70f90e73c0b055125f555dfb4e90f87dc8364006607077d4a89d273ebbe3e84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking warm-fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> examples/cli.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// Folders to warm up
[INFO] [stdout] 8 | |     #[clap(short, long)]
[INFO] [stdout] 9 | |     dirs: Vec<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]   --> examples/cli.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Files to warm up
[INFO] [stdout] 12 | |     #[clap(short, long)]
[INFO] [stdout] 13 | |     files: Vec<String>,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warm-fs` (example "cli") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "70f90e73c0b055125f555dfb4e90f87dc8364006607077d4a89d273ebbe3e84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f90e73c0b055125f555dfb4e90f87dc8364006607077d4a89d273ebbe3e84e", kill_on_drop: false }`
[INFO] [stdout] 70f90e73c0b055125f555dfb4e90f87dc8364006607077d4a89d273ebbe3e84e
