[INFO] fetching crate swamp-runtime 0.2.26...
[INFO] testing swamp-runtime-0.2.26 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate swamp-runtime 0.2.26 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate swamp-runtime 0.2.26
[INFO] finished tweaking crates.io crate swamp-runtime 0.2.26
[INFO] tweaked toml for crates.io crate swamp-runtime 0.2.26 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swamp-runtime 0.2.26 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swamp-runtime 0.2.26 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinter v0.1.0
[INFO] [stderr]   Downloaded swamp-vm-types v0.2.26
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded swamp-attributes v0.2.26
[INFO] [stderr]   Downloaded swamp-code-gen-program v0.2.26
[INFO] [stderr]   Downloaded once_cell v1.20.3
[INFO] [stderr]   Downloaded seq-fmt v0.0.1
[INFO] [stderr]   Downloaded swamp-program-analyzer v0.2.26
[INFO] [stderr]   Downloaded swamp-vm-disasm v0.2.26
[INFO] [stderr]   Downloaded swamp-refs v0.2.26
[INFO] [stderr]   Downloaded source-map-cache v0.0.6
[INFO] [stderr]   Downloaded swamp-vm-isa v0.2.26
[INFO] [stderr]   Downloaded seq-map v0.0.14
[INFO] [stderr]   Downloaded seq-set v0.0.2
[INFO] [stderr]   Downloaded quote v1.0.38
[INFO] [stderr]   Downloaded swamp-types v0.2.26
[INFO] [stderr]   Downloaded swamp-core v0.2.26
[INFO] [stderr]   Downloaded source-map-node v0.0.1
[INFO] [stderr]   Downloaded squirrel-prng v0.0.1
[INFO] [stderr]   Downloaded swamp-dep-loader v0.2.26
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[INFO] [stderr]   Downloaded swamp-ast v0.2.26
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[INFO] [stderr]   Downloaded pathdiff v0.2.3
[INFO] [stderr]   Downloaded swamp-modules v0.2.26
[INFO] [stderr]   Downloaded swamp-vm-debug-info v0.2.26
[INFO] [stderr]   Downloaded tiny-ver v0.1.2
[INFO] [stderr]   Downloaded swamp-symbol v0.2.26
[INFO] [stderr]   Downloaded swamp-semantic v0.2.26
[INFO] [stderr]   Downloaded sparse-mem v0.2.0
[INFO] [stderr]   Downloaded swamp-compile v0.2.26
[INFO] [stderr]   Downloaded eira v0.1.10
[INFO] [stderr]   Downloaded hashmap-mem v0.2.0
[INFO] [stderr]   Downloaded swamp-vm-instr-build v0.2.26
[INFO] [stderr]   Downloaded swamp-std v0.2.26
[INFO] [stderr]   Downloaded fixed32 v0.0.18
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] [stderr]   Downloaded swamp-vm-layout v0.2.26
[INFO] [stderr]   Downloaded pest_derive v2.7.15
[INFO] [stderr]   Downloaded pest_generator v2.7.15
[INFO] [stderr]   Downloaded swamp-pretty-print v0.2.26
[INFO] [stderr]   Downloaded redox_users v0.5.0
[INFO] [stderr]   Downloaded swamp-parser v0.2.26
[INFO] [stderr]   Downloaded swamp-vm v0.2.26
[INFO] [stderr]   Downloaded pest_meta v2.7.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded typenum v1.18.0
[INFO] [stderr]   Downloaded swamp-code-gen v0.2.26
[INFO] [stderr]   Downloaded swamp-analyzer v0.2.26
[INFO] [stderr]   Downloaded pest v2.7.15
[INFO] [stderr]   Downloaded syn v2.0.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebdbab9417573cc01b1727f4a4ee35bc3c11391ba6523f79cd4ddb4fe38282c
[INFO] running `Command { std: "docker" "start" "-a" "bebdbab9417573cc01b1727f4a4ee35bc3c11391ba6523f79cd4ddb4fe38282c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebdbab9417573cc01b1727f4a4ee35bc3c11391ba6523f79cd4ddb4fe38282c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebdbab9417573cc01b1727f4a4ee35bc3c11391ba6523f79cd4ddb4fe38282c", kill_on_drop: false }`
[INFO] [stdout] bebdbab9417573cc01b1727f4a4ee35bc3c11391ba6523f79cd4ddb4fe38282c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d79ba11e8ef2d05501523811147bc44c0aa440c5e7c73ec4e458acccf60aeb4
[INFO] running `Command { std: "docker" "start" "-a" "0d79ba11e8ef2d05501523811147bc44c0aa440c5e7c73ec4e458acccf60aeb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling source-map-node v0.0.1
[INFO] [stderr]    Compiling seq-map v0.0.14
[INFO] [stderr]    Compiling seq-fmt v0.0.1
[INFO] [stderr]    Compiling fixed32 v0.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling tinter v0.1.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tiny-ver v0.1.2
[INFO] [stderr]    Compiling swamp-ast v0.2.26
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling sparse-mem v0.2.0
[INFO] [stderr]    Compiling hashmap-mem v0.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling swamp-attributes v0.2.26
[INFO] [stderr]    Compiling seq-set v0.0.2
[INFO] [stderr]    Compiling time-dilation v0.1.11
[INFO] [stderr]    Compiling swamp-vm-isa v0.2.26
[INFO] [stderr]    Compiling squirrel-prng v0.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling swamp-symbol v0.2.26
[INFO] [stderr]    Compiling source-map-cache v0.0.6
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling swamp-vm v0.2.26
[INFO] [stderr]    Compiling swamp-types v0.2.26
[INFO] [stderr]    Compiling swamp-refs v0.2.26
[INFO] [stderr]    Compiling eira v0.1.10
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling swamp-semantic v0.2.26
[INFO] [stderr]    Compiling swamp-vm-types v0.2.26
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling swamp-vm-debug-info v0.2.26
[INFO] [stderr]    Compiling swamp-std v0.2.26
[INFO] [stderr]    Compiling swamp-vm-layout v0.2.26
[INFO] [stderr]    Compiling swamp-vm-instr-build v0.2.26
[INFO] [stderr]    Compiling swamp-vm-disasm v0.2.26
[INFO] [stderr]    Compiling swamp-modules v0.2.26
[INFO] [stderr]    Compiling swamp-code-gen v0.2.26
[INFO] [stderr]    Compiling swamp-analyzer v0.2.26
[INFO] [stderr]    Compiling swamp-pretty-print v0.2.26
[INFO] [stderr]    Compiling swamp-core v0.2.26
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling swamp-parser v0.2.26
[INFO] [stderr]    Compiling swamp-dep-loader v0.2.26
[INFO] [stderr]    Compiling swamp-program-analyzer v0.2.26
[INFO] [stderr]    Compiling swamp-error-report v0.2.26
[INFO] [stderr]    Compiling swamp-compile v0.2.26
[INFO] [stderr]    Compiling swamp-code-gen-program v0.2.26
[INFO] [stderr]    Compiling swamp-runtime v0.2.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SourceFileLineInfo`
[INFO] [stdout]  --> src/lib.rs:9:55
[INFO] [stdout]   |
[INFO] [stdout] 9 | use source_map_cache::{FileId, KeepTrackOfSourceLine, SourceFileLineInfo, SourceMapLookup};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `use_color`
[INFO] [stdout]    --> src/lib.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |     let use_color = run_options.use_color;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_line_info`
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_line_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/lib.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let pc = vm.pc();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StderrWriter` is never constructed
[INFO] [stdout]  --> src/err_wrt.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StderrWriter;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.80s
[INFO] running `Command { std: "docker" "inspect" "0d79ba11e8ef2d05501523811147bc44c0aa440c5e7c73ec4e458acccf60aeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d79ba11e8ef2d05501523811147bc44c0aa440c5e7c73ec4e458acccf60aeb4", kill_on_drop: false }`
[INFO] [stdout] 0d79ba11e8ef2d05501523811147bc44c0aa440c5e7c73ec4e458acccf60aeb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f6fd8a9623d4d5ed73ea8db8202f1d6f3e71eba8a56c514ce262f490872c22
[INFO] running `Command { std: "docker" "start" "-a" "26f6fd8a9623d4d5ed73ea8db8202f1d6f3e71eba8a56c514ce262f490872c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling swamp-runtime v0.2.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SourceFileLineInfo`
[INFO] [stdout]  --> src/lib.rs:9:55
[INFO] [stdout]   |
[INFO] [stdout] 9 | use source_map_cache::{FileId, KeepTrackOfSourceLine, SourceFileLineInfo, SourceMapLookup};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `use_color`
[INFO] [stdout]    --> src/lib.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |     let use_color = run_options.use_color;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_line_info`
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_line_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/lib.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let pc = vm.pc();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StderrWriter` is never constructed
[INFO] [stdout]  --> src/err_wrt.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StderrWriter;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceFileLineInfo`
[INFO] [stdout]  --> src/lib.rs:9:55
[INFO] [stdout]   |
[INFO] [stdout] 9 | use source_map_cache::{FileId, KeepTrackOfSourceLine, SourceFileLineInfo, SourceMapLookup};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `use_color`
[INFO] [stdout]    --> src/lib.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |     let use_color = run_options.use_color;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_line_info`
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_line_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/lib.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let pc = vm.pc();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StderrWriter` is never constructed
[INFO] [stdout]  --> src/err_wrt.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StderrWriter;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "26f6fd8a9623d4d5ed73ea8db8202f1d6f3e71eba8a56c514ce262f490872c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f6fd8a9623d4d5ed73ea8db8202f1d6f3e71eba8a56c514ce262f490872c22", kill_on_drop: false }`
[INFO] [stdout] 26f6fd8a9623d4d5ed73ea8db8202f1d6f3e71eba8a56c514ce262f490872c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cfaa2f86bf642455c427f2c51b3d761c9c6abdcfc1db43518e997a48241b58a
[INFO] running `Command { std: "docker" "start" "-a" "3cfaa2f86bf642455c427f2c51b3d761c9c6abdcfc1db43518e997a48241b58a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SourceFileLineInfo`
[INFO] [stderr]  --> src/lib.rs:9:55
[INFO] [stderr]   |
[INFO] [stderr] 9 | use source_map_cache::{FileId, KeepTrackOfSourceLine, SourceFileLineInfo, SourceMapLookup};
[INFO] [stderr]   |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:489:9
[INFO] [stderr]     |
[INFO] [stderr] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `use_color`
[INFO] [stderr]    --> src/lib.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |     let use_color = run_options.use_color;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_line_info`
[INFO] [stderr]    --> src/lib.rs:489:9
[INFO] [stderr]     |
[INFO] [stderr] 489 |     let mut last_line_info = KeepTrackOfSourceLine::new();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_line_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pc`
[INFO] [stderr]    --> src/lib.rs:500:13
[INFO] [stderr]     |
[INFO] [stderr] 500 |         let pc = vm.pc();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StderrWriter` is never constructed
[INFO] [stderr]  --> src/err_wrt.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct StderrWriter;
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swamp-runtime` (lib) generated 6 warnings (run `cargo fix --lib -p swamp-runtime` to apply 5 suggestions)
[INFO] [stderr] warning: `swamp-runtime` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swamp_runtime-a4e33df2d91aa505)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swamp_runtime
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3cfaa2f86bf642455c427f2c51b3d761c9c6abdcfc1db43518e997a48241b58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfaa2f86bf642455c427f2c51b3d761c9c6abdcfc1db43518e997a48241b58a", kill_on_drop: false }`
[INFO] [stdout] 3cfaa2f86bf642455c427f2c51b3d761c9c6abdcfc1db43518e997a48241b58a
