[INFO] fetching crate pot-rs 0.5.0... [INFO] checking pot-rs-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate pot-rs 0.5.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate pot-rs 0.5.0 [INFO] finished tweaking crates.io crate pot-rs 0.5.0 [INFO] tweaked toml for crates.io crate pot-rs 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pot-rs 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7dac7fee40fb1e010fc8baab0b5d79959984bccde0127ed646e4e1fd30a531a1 [INFO] running `Command { std: "docker" "start" "-a" "7dac7fee40fb1e010fc8baab0b5d79959984bccde0127ed646e4e1fd30a531a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dac7fee40fb1e010fc8baab0b5d79959984bccde0127ed646e4e1fd30a531a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dac7fee40fb1e010fc8baab0b5d79959984bccde0127ed646e4e1fd30a531a1", kill_on_drop: false }` [INFO] [stdout] 7dac7fee40fb1e010fc8baab0b5d79959984bccde0127ed646e4e1fd30a531a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 98ce15ff78393297802d75cf133223285e2b0a63677fb53e9722f9b1d2cb956d [INFO] running `Command { std: "docker" "start" "-a" "98ce15ff78393297802d75cf133223285e2b0a63677fb53e9722f9b1d2cb956d", kill_on_drop: false }` [INFO] [stderr] Checking pot-rs v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/bridge.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | let partial = PartialBridgeConf::from_str(s).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: std::result::Result [INFO] [stdout] --> src/bridge.rs:82:66 [INFO] [stdout] | [INFO] [stdout] 82 | fn from_str(s: &str) -> std::result::Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 83 | | use crate::util::get_value; [INFO] [stdout] 84 | | let lines: Vec = s [INFO] [stdout] 85 | | .to_string() [INFO] [stdout] ... | [INFO] [stdout] 102 | | Ok(result) [INFO] [stdout] 103 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/bridge.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | Ok(result) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pot-rs` (lib) 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: std::result::Result [INFO] [stdout] --> src/bridge.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | let partial = PartialBridgeConf::from_str(s).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: std::result::Result [INFO] [stdout] --> src/bridge.rs:82:66 [INFO] [stdout] | [INFO] [stdout] 82 | fn from_str(s: &str) -> std::result::Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 83 | | use crate::util::get_value; [INFO] [stdout] 84 | | let lines: Vec = s [INFO] [stdout] 85 | | .to_string() [INFO] [stdout] ... | [INFO] [stdout] 102 | | Ok(result) [INFO] [stdout] 103 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/bridge.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | Ok(result) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pot-rs` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "98ce15ff78393297802d75cf133223285e2b0a63677fb53e9722f9b1d2cb956d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ce15ff78393297802d75cf133223285e2b0a63677fb53e9722f9b1d2cb956d", kill_on_drop: false }` [INFO] [stdout] 98ce15ff78393297802d75cf133223285e2b0a63677fb53e9722f9b1d2cb956d