[INFO] fetching crate rual 0.0.2... [INFO] checking rual-0.0.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate rual 0.0.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rual 0.0.2 [INFO] finished tweaking crates.io crate rual 0.0.2 [INFO] tweaked toml for crates.io crate rual 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rual 0.0.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 543a7067c1783bc0f9a4ce0ccce5095a40d1ce8fc04dd3b1601a3306d25eaeb3 [INFO] running `Command { std: "docker" "start" "-a" "543a7067c1783bc0f9a4ce0ccce5095a40d1ce8fc04dd3b1601a3306d25eaeb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "543a7067c1783bc0f9a4ce0ccce5095a40d1ce8fc04dd3b1601a3306d25eaeb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "543a7067c1783bc0f9a4ce0ccce5095a40d1ce8fc04dd3b1601a3306d25eaeb3", kill_on_drop: false }` [INFO] [stdout] 543a7067c1783bc0f9a4ce0ccce5095a40d1ce8fc04dd3b1601a3306d25eaeb3 [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 902ff215a5d03aa07d8f225ef59a3d767f0b2c74c9a3edc011670c7ca76dfe04 [INFO] running `Command { std: "docker" "start" "-a" "902ff215a5d03aa07d8f225ef59a3d767f0b2c74c9a3edc011670c7ca76dfe04", kill_on_drop: false }` [INFO] [stderr] Checking rual v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Punct` [INFO] [stdout] --> src/lexing/mod.rs:3:30 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/execution/mod.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | struct Scope<'t> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 132 | parent: Option<&'t Scope<'t>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/execution/mod.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 136 | impl<'t> Scope<'t> { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 137 | pub fn new(parent: &'t Scope) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/execution/mod.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn lookup(&self, ident: &str) -> Option<&RealmValue> { [INFO] [stdout] | ^^^^^ ----------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/execution/mod.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.exec_expr(&expr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.exec_expr(&expr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/execution/mod.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | struct Scope<'t> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 132 | parent: Option<&'t Scope<'t>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/execution/mod.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 136 | impl<'t> Scope<'t> { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 137 | pub fn new(parent: &'t Scope) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/execution/mod.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn lookup(&self, ident: &str) -> Option<&RealmValue> { [INFO] [stdout] | ^^^^^ ----------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/execution/mod.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.exec_expr(&expr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.exec_expr(&expr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "902ff215a5d03aa07d8f225ef59a3d767f0b2c74c9a3edc011670c7ca76dfe04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "902ff215a5d03aa07d8f225ef59a3d767f0b2c74c9a3edc011670c7ca76dfe04", kill_on_drop: false }` [INFO] [stdout] 902ff215a5d03aa07d8f225ef59a3d767f0b2c74c9a3edc011670c7ca76dfe04