[INFO] fetching crate rusted-timer 1.1.4...
[INFO] checking rusted-timer-1.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rusted-timer 1.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rusted-timer 1.1.4
[INFO] finished tweaking crates.io crate rusted-timer 1.1.4
[INFO] tweaked toml for crates.io crate rusted-timer 1.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusted-timer 1.1.4 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 rusted-timer 1.1.4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 884905d0c07cb1be2cc8c3869dff19c3048334f96cd46c7e1bf468d29679655f
[INFO] running `Command { std: "docker" "start" "-a" "884905d0c07cb1be2cc8c3869dff19c3048334f96cd46c7e1bf468d29679655f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884905d0c07cb1be2cc8c3869dff19c3048334f96cd46c7e1bf468d29679655f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884905d0c07cb1be2cc8c3869dff19c3048334f96cd46c7e1bf468d29679655f", kill_on_drop: false }`
[INFO] [stdout] 884905d0c07cb1be2cc8c3869dff19c3048334f96cd46c7e1bf468d29679655f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dbfd6f51bbb534a417b3491481cd09cee8196ae6fcd761b9fd1dd47d0b3d3db1
[INFO] running `Command { std: "docker" "start" "-a" "dbfd6f51bbb534a417b3491481cd09cee8196ae6fcd761b9fd1dd47d0b3d3db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking figlet-rs v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking rusted-timer v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[clap(multiple(true))]
[INFO] [stdout] 15 | |     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] [stderr] error: could not compile `rusted-timer` (bin "timer" test) 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/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[clap(multiple(true))]
[INFO] [stdout] 15 | |     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] [stderr] error: could not compile `rusted-timer` (bin "timer") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dbfd6f51bbb534a417b3491481cd09cee8196ae6fcd761b9fd1dd47d0b3d3db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfd6f51bbb534a417b3491481cd09cee8196ae6fcd761b9fd1dd47d0b3d3db1", kill_on_drop: false }`
[INFO] [stdout] dbfd6f51bbb534a417b3491481cd09cee8196ae6fcd761b9fd1dd47d0b3d3db1