[INFO] fetching crate proton-call 3.1.2... [INFO] checking proton-call-3.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate proton-call 3.1.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate proton-call 3.1.2 [INFO] finished tweaking crates.io crate proton-call 3.1.2 [INFO] tweaked toml for crates.io crate proton-call 3.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate proton-call 3.1.2 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 proton-call 3.1.2 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-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] 5d808b6297f5a91040d4067af48a58c125135b97b8c9eaf74733d1b3a0127f49 [INFO] running `Command { std: "docker" "start" "-a" "5d808b6297f5a91040d4067af48a58c125135b97b8c9eaf74733d1b3a0127f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d808b6297f5a91040d4067af48a58c125135b97b8c9eaf74733d1b3a0127f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d808b6297f5a91040d4067af48a58c125135b97b8c9eaf74733d1b3a0127f49", kill_on_drop: false }` [INFO] [stdout] 5d808b6297f5a91040d4067af48a58c125135b97b8c9eaf74733d1b3a0127f49 [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] b87348d2aef13870e29670657bda94ad40680537509c02a27e9e42ddaf6529b8 [INFO] running `Command { std: "docker" "start" "-a" "b87348d2aef13870e29670657bda94ad40680537509c02a27e9e42ddaf6529b8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking lliw v0.2.0 [INFO] [stderr] Checking jargon-args v0.2.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking proton-call v3.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | #![forbid(missing_fragment_specifier)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | #![forbid(missing_fragment_specifier)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/runtime.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Runtime { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 16 | version: RunTimeVersion, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Runtime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/runtime.rs:99:53 [INFO] [stdout] | [INFO] [stdout] 99 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 100 | | Ok(match s { [INFO] [stdout] 101 | | "default" => Self::Default, [INFO] [stdout] 102 | | "soldier" => Self::Soldier, [INFO] [stdout] ... | [INFO] [stdout] 107 | | }) [INFO] [stdout] 108 | | } [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 [INFO] [stdout] --> src/runtime.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | / Ok(match s { [INFO] [stdout] 101 | | "default" => Self::Default, [INFO] [stdout] 102 | | "soldier" => Self::Soldier, [INFO] [stdout] 103 | | "sniper" => Self::Sniper, [INFO] [stdout] ... | [INFO] [stdout] 106 | | _ => Self::Default, [INFO] [stdout] 107 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proton-call` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/runtime.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Runtime { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 16 | version: RunTimeVersion, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Runtime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/runtime.rs:99:53 [INFO] [stdout] | [INFO] [stdout] 99 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 100 | | Ok(match s { [INFO] [stdout] 101 | | "default" => Self::Default, [INFO] [stdout] 102 | | "soldier" => Self::Soldier, [INFO] [stdout] ... | [INFO] [stdout] 107 | | }) [INFO] [stdout] 108 | | } [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 [INFO] [stdout] --> src/runtime.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | / Ok(match s { [INFO] [stdout] 101 | | "default" => Self::Default, [INFO] [stdout] 102 | | "soldier" => Self::Soldier, [INFO] [stdout] 103 | | "sniper" => Self::Sniper, [INFO] [stdout] ... | [INFO] [stdout] 106 | | _ => Self::Default, [INFO] [stdout] 107 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proton-call` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b87348d2aef13870e29670657bda94ad40680537509c02a27e9e42ddaf6529b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b87348d2aef13870e29670657bda94ad40680537509c02a27e9e42ddaf6529b8", kill_on_drop: false }` [INFO] [stdout] b87348d2aef13870e29670657bda94ad40680537509c02a27e9e42ddaf6529b8