[INFO] fetching crate printer_server 0.1.23...
[INFO] checking printer_server-0.1.23 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate printer_server 0.1.23 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate printer_server 0.1.23
[INFO] finished tweaking crates.io crate printer_server 0.1.23
[INFO] tweaked toml for crates.io crate printer_server 0.1.23 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate printer_server 0.1.23 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 printer_server 0.1.23 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b144edd7b98b54b75c718ce0a78773137f3d41f75f360d305c8743bd4bcb2312
[INFO] running `Command { std: "docker" "start" "-a" "b144edd7b98b54b75c718ce0a78773137f3d41f75f360d305c8743bd4bcb2312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b144edd7b98b54b75c718ce0a78773137f3d41f75f360d305c8743bd4bcb2312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b144edd7b98b54b75c718ce0a78773137f3d41f75f360d305c8743bd4bcb2312", kill_on_drop: false }`
[INFO] [stdout] b144edd7b98b54b75c718ce0a78773137f3d41f75f360d305c8743bd4bcb2312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3ff3e966bd8990dbe5fc6d2e830737751775a578f1eb062098f5885da857fbdb
[INFO] running `Command { std: "docker" "start" "-a" "3ff3e966bd8990dbe5fc6d2e830737751775a578f1eb062098f5885da857fbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.100
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking fiat-crypto v0.2.9
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking quinn-udp v0.4.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]     Checking quinn-proto v0.10.6
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking quinn v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking orion v0.17.6
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking uuid v1.9.0
[INFO] [stderr]     Checking printer_server v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:208:33
[INFO] [stdout]     |
[INFO] [stdout] 208 |                     extension = s.trim().parse::<String>().unwrap();
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:216:34
[INFO] [stdout]     |
[INFO] [stdout] 216 |                     session_id = s.trim().parse::<String>().unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printer_server` (bin "printer_server" test) due to 2 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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:208:33
[INFO] [stdout]     |
[INFO] [stdout] 208 |                     extension = s.trim().parse::<String>().unwrap();
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:216:34
[INFO] [stdout]     |
[INFO] [stdout] 216 |                     session_id = s.trim().parse::<String>().unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printer_server` (bin "printer_server") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ff3e966bd8990dbe5fc6d2e830737751775a578f1eb062098f5885da857fbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff3e966bd8990dbe5fc6d2e830737751775a578f1eb062098f5885da857fbdb", kill_on_drop: false }`
[INFO] [stdout] 3ff3e966bd8990dbe5fc6d2e830737751775a578f1eb062098f5885da857fbdb
