[INFO] fetching crate rual 0.0.2... [INFO] building rual-0.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate rual 0.0.2 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rual 0.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d7f80d8504e3ad6f6042ec0e1ae984f7525cd2ff1f1e231578c5ee491521a35 [INFO] running `Command { std: "docker" "start" "-a" "9d7f80d8504e3ad6f6042ec0e1ae984f7525cd2ff1f1e231578c5ee491521a35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d7f80d8504e3ad6f6042ec0e1ae984f7525cd2ff1f1e231578c5ee491521a35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d7f80d8504e3ad6f6042ec0e1ae984f7525cd2ff1f1e231578c5ee491521a35", kill_on_drop: false }` [INFO] [stdout] 9d7f80d8504e3ad6f6042ec0e1ae984f7525cd2ff1f1e231578c5ee491521a35 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2814c16e7c139e0e20c2cbf536ede6092327f660a4096caebb385f093e76db1 [INFO] running `Command { std: "docker" "start" "-a" "f2814c16e7c139e0e20c2cbf536ede6092327f660a4096caebb385f093e76db1", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.64s [INFO] running `Command { std: "docker" "inspect" "f2814c16e7c139e0e20c2cbf536ede6092327f660a4096caebb385f093e76db1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2814c16e7c139e0e20c2cbf536ede6092327f660a4096caebb385f093e76db1", kill_on_drop: false }` [INFO] [stdout] f2814c16e7c139e0e20c2cbf536ede6092327f660a4096caebb385f093e76db1 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acc39cae6179f52ae511850ed12425ed76d201268e8f1ecb8489057a74d8d0e5 [INFO] running `Command { std: "docker" "start" "-a" "acc39cae6179f52ae511850ed12425ed76d201268e8f1ecb8489057a74d8d0e5", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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: 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "acc39cae6179f52ae511850ed12425ed76d201268e8f1ecb8489057a74d8d0e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acc39cae6179f52ae511850ed12425ed76d201268e8f1ecb8489057a74d8d0e5", kill_on_drop: false }` [INFO] [stdout] acc39cae6179f52ae511850ed12425ed76d201268e8f1ecb8489057a74d8d0e5