[INFO] cloning repository https://github.com/Arsynth/kex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arsynth/kex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArsynth%2Fkex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArsynth%2Fkex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b0414f17040c2aef74ec92d4d127555d6df82ae
[INFO] checking Arsynth/kex 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%2FArsynth%2Fkex" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arsynth/kex
[INFO] finished tweaking git repo https://github.com/Arsynth/kex
[INFO] tweaked toml for git repo https://github.com/Arsynth/kex written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arsynth/kex 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/Arsynth/kex 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d7032fba22b831b176d20bb4bf988aca43ee59481ca76a45a72292fbe640bde
[INFO] running `Command { std: "docker" "start" "-a" "7d7032fba22b831b176d20bb4bf988aca43ee59481ca76a45a72292fbe640bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7032fba22b831b176d20bb4bf988aca43ee59481ca76a45a72292fbe640bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7032fba22b831b176d20bb4bf988aca43ee59481ca76a45a72292fbe640bde", kill_on_drop: false }`
[INFO] [stdout] 7d7032fba22b831b176d20bb4bf988aca43ee59481ca76a45a72292fbe640bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d7d47fcde445e62cbac69ee8570c4d6f82904204d4baff4c629c4d1fc4561641
[INFO] running `Command { std: "docker" "start" "-a" "d7d47fcde445e62cbac69ee8570c4d6f82904204d4baff4c629c4d1fc4561641", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking kex v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/app/opts.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let fmt_str = match matches.opt_get_default(ADDR_FORMAT_SHORT_NAME, "h8".to_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/app/opts.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let fmt_str = match matches.opt_get_default(BYTE_FORMAT_SHORT_NAME, "h".to_string()) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/app/opts.rs:188:29
[INFO] [stdout]     |
[INFO] [stdout] 188 |           let fmt_str = match matches.opt_get_default(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 189 | |             GROUPPING_SHORT_NAME,
[INFO] [stdout] 190 | |             format!("{DEF_GROUP_SIZE}/{DEF_NGROUPS}"),
[INFO] [stdout] 191 | |         ) {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kex` (bin "kex") due to 3 previous errors
[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/app/opts.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let fmt_str = match matches.opt_get_default(ADDR_FORMAT_SHORT_NAME, "h8".to_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/app/opts.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let fmt_str = match matches.opt_get_default(BYTE_FORMAT_SHORT_NAME, "h".to_string()) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/app/opts.rs:188:29
[INFO] [stdout]     |
[INFO] [stdout] 188 |           let fmt_str = match matches.opt_get_default(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 189 | |             GROUPPING_SHORT_NAME,
[INFO] [stdout] 190 | |             format!("{DEF_GROUP_SIZE}/{DEF_NGROUPS}"),
[INFO] [stdout] 191 | |         ) {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kex` (bin "kex" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d7d47fcde445e62cbac69ee8570c4d6f82904204d4baff4c629c4d1fc4561641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d47fcde445e62cbac69ee8570c4d6f82904204d4baff4c629c4d1fc4561641", kill_on_drop: false }`
[INFO] [stdout] d7d47fcde445e62cbac69ee8570c4d6f82904204d4baff4c629c4d1fc4561641
