[INFO] fetching crate steel-core 0.5.0...
[INFO] checking steel-core-0.5.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate steel-core 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate steel-core 0.5.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steel-core 0.5.0
[INFO] finished tweaking crates.io crate steel-core 0.5.0
[INFO] tweaked toml for crates.io crate steel-core 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded repr_offset v0.2.2
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[INFO] [stderr]   Downloaded cranelift-module v0.84.0
[INFO] [stderr]   Downloaded steel-parser v0.4.0
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[INFO] [stderr]   Downloaded cranelift-jit v0.84.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27621ac16df7f6fc54b383f852a35e402495feeac6860da38cab89834ed12298
[INFO] running `Command { std: "docker" "start" "-a" "27621ac16df7f6fc54b383f852a35e402495feeac6860da38cab89834ed12298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27621ac16df7f6fc54b383f852a35e402495feeac6860da38cab89834ed12298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27621ac16df7f6fc54b383f852a35e402495feeac6860da38cab89834ed12298", kill_on_drop: false }`
[INFO] [stdout] 27621ac16df7f6fc54b383f852a35e402495feeac6860da38cab89834ed12298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82746d652283f33c08cb83c9bb5af62c2ba95357f7e47ca67169380edd883f1e
[INFO] running `Command { std: "docker" "start" "-a" "82746d652283f33c08cb83c9bb5af62c2ba95357f7e47ca67169380edd883f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling num-bigint v0.4.4
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[INFO] [stderr]    Compiling codegen v0.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking itertools v0.10.5
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[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking ahash v0.7.7
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
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[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling steel-derive v0.4.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking steel-gen v0.2.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking lasso v0.6.0
[INFO] [stderr]    Compiling steel-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking steel-parser v0.4.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compiler/passes/analysis.rs:1466:29
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compiler/passes/analysis.rs:1466:29
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gc.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct WeakGc<T>(Weak<T>);
[INFO] [stdout]    |            ------    ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct WeakGc<T>(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:427:15
[INFO] [stdout]     |
[INFO] [stdout] 427 |     QuoteTick(usize),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 427 |     QuoteTick(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:431:17
[INFO] [stdout]     |
[INFO] [stdout] 431 |     UnquoteTick(usize),
[INFO] [stdout]     |     ----------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 431 |     UnquoteTick(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:435:20
[INFO] [stdout]     |
[INFO] [stdout] 435 |     QuasiquoteTick(usize),
[INFO] [stdout]     |     -------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 435 |     QuasiquoteTick(()),
[INFO] [stdout]     |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:439:25
[INFO] [stdout]     |
[INFO] [stdout] 439 |     UnquoteSplicingTick(usize),
[INFO] [stdout]     |     ------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 439 |     UnquoteSplicingTick(()),
[INFO] [stdout]     |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gc.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct WeakGc<T>(Weak<T>);
[INFO] [stdout]    |            ------    ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct WeakGc<T>(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:427:15
[INFO] [stdout]     |
[INFO] [stdout] 427 |     QuoteTick(usize),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 427 |     QuoteTick(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:431:17
[INFO] [stdout]     |
[INFO] [stdout] 431 |     UnquoteTick(usize),
[INFO] [stdout]     |     ----------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 431 |     UnquoteTick(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:435:20
[INFO] [stdout]     |
[INFO] [stdout] 435 |     QuasiquoteTick(usize),
[INFO] [stdout]     |     -------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 435 |     QuasiquoteTick(()),
[INFO] [stdout]     |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/parser.rs:439:25
[INFO] [stdout]     |
[INFO] [stdout] 439 |     UnquoteSplicingTick(usize),
[INFO] [stdout]     |     ------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 439 |     UnquoteSplicingTick(()),
[INFO] [stdout]     |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.79s
[INFO] running `Command { std: "docker" "inspect" "82746d652283f33c08cb83c9bb5af62c2ba95357f7e47ca67169380edd883f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82746d652283f33c08cb83c9bb5af62c2ba95357f7e47ca67169380edd883f1e", kill_on_drop: false }`
[INFO] [stdout] 82746d652283f33c08cb83c9bb5af62c2ba95357f7e47ca67169380edd883f1e
