[INFO] cloning repository https://github.com/m4rtinh4rt/checkcert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m4rtinh4rt/checkcert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm4rtinh4rt%2Fcheckcert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm4rtinh4rt%2Fcheckcert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c8d1bceb41f6405d6be5d25f2b024c21b0d03dc
[INFO] checking m4rtinh4rt/checkcert 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%2Fm4rtinh4rt%2Fcheckcert" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/m4rtinh4rt/checkcert
[INFO] finished tweaking git repo https://github.com/m4rtinh4rt/checkcert
[INFO] tweaked toml for git repo https://github.com/m4rtinh4rt/checkcert written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m4rtinh4rt/checkcert 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/m4rtinh4rt/checkcert 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c166152fafebb08e57088ddc1fd78f6b3905360e0680212bf6e21798e917ece4
[INFO] running `Command { std: "docker" "start" "-a" "c166152fafebb08e57088ddc1fd78f6b3905360e0680212bf6e21798e917ece4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c166152fafebb08e57088ddc1fd78f6b3905360e0680212bf6e21798e917ece4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c166152fafebb08e57088ddc1fd78f6b3905360e0680212bf6e21798e917ece4", kill_on_drop: false }`
[INFO] [stdout] c166152fafebb08e57088ddc1fd78f6b3905360e0680212bf6e21798e917ece4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 173501273a50212e62227af16645c356fbdcab667cb33371809ec7935690cae0
[INFO] running `Command { std: "docker" "start" "-a" "173501273a50212e62227af16645c356fbdcab667cb33371809ec7935690cae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling aws-lc-rs v1.13.1
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking webpki-roots v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.29.0
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking checkcert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, !>
[INFO] [stdout]   --> src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let lines: Vec<String> = read_to_string(&filename)
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 12 | |         .map_err(|e| {
[INFO] [stdout] 13 | |             eprintln!("Error: Unable to read the file '{}': {}", filename, e);
[INFO] [stdout] 14 | |             process::exit(1);
[INFO] [stdout] 15 | |         })
[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 `checkcert` (bin "checkcert") 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, !>
[INFO] [stdout]   --> src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let lines: Vec<String> = read_to_string(&filename)
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 12 | |         .map_err(|e| {
[INFO] [stdout] 13 | |             eprintln!("Error: Unable to read the file '{}': {}", filename, e);
[INFO] [stdout] 14 | |             process::exit(1);
[INFO] [stdout] 15 | |         })
[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 `checkcert` (bin "checkcert" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "173501273a50212e62227af16645c356fbdcab667cb33371809ec7935690cae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173501273a50212e62227af16645c356fbdcab667cb33371809ec7935690cae0", kill_on_drop: false }`
[INFO] [stdout] 173501273a50212e62227af16645c356fbdcab667cb33371809ec7935690cae0