[INFO] cloning repository https://github.com/kirjavascript/super_floppy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirjavascript/super_floppy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fsuper_floppy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fsuper_floppy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f309c297803fb432a0180d3c49475f8d0ac2ed33
[INFO] documenting kirjavascript/super_floppy against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fsuper_floppy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kirjavascript/super_floppy
[INFO] finished tweaking git repo https://github.com/kirjavascript/super_floppy
[INFO] tweaked toml for git repo https://github.com/kirjavascript/super_floppy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kirjavascript/super_floppy on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kirjavascript/super_floppy 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c546bdd2dd81a062ea99b206b24bc003ea9b4db498d1441691fa6d27c6e01cf
[INFO] running `Command { std: "docker" "start" "-a" "7c546bdd2dd81a062ea99b206b24bc003ea9b4db498d1441691fa6d27c6e01cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c546bdd2dd81a062ea99b206b24bc003ea9b4db498d1441691fa6d27c6e01cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c546bdd2dd81a062ea99b206b24bc003ea9b4db498d1441691fa6d27c6e01cf", kill_on_drop: false }`
[INFO] [stdout] 7c546bdd2dd81a062ea99b206b24bc003ea9b4db498d1441691fa6d27c6e01cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69d07ebe0f2e17a4670f50518f86f7d2ea7d03a161399b41b422573ecb080ad
[INFO] running `Command { std: "docker" "start" "-a" "e69d07ebe0f2e17a4670f50518f86f7d2ea7d03a161399b41b422573ecb080ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.95
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling wasm-bindgen v0.2.95
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.95
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.95
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.95
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking js-sys v0.3.72
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]  Documenting super_floppy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen::prelude::__wasm_bindgen_class_marker` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen::prelude::__wasm_bindgen_class_marker` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/super_floppy/index.html
[INFO] running `Command { std: "docker" "inspect" "e69d07ebe0f2e17a4670f50518f86f7d2ea7d03a161399b41b422573ecb080ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69d07ebe0f2e17a4670f50518f86f7d2ea7d03a161399b41b422573ecb080ad", kill_on_drop: false }`
[INFO] [stdout] e69d07ebe0f2e17a4670f50518f86f7d2ea7d03a161399b41b422573ecb080ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d114d5ba5ab2bf9a98045cc39b6d32ff15537d8ae84334a81ab87c4ae565c0
[INFO] running `Command { std: "docker" "start" "-a" "c4d114d5ba5ab2bf9a98045cc39b6d32ff15537d8ae84334a81ab87c4ae565c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.89/src/wrapper.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |     Compiler(proc_macro::SourceFile),
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 365 -     Compiler(proc_macro::SourceFile),
[INFO] [stdout] 365 +     Compiler(SourceFile),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.89/src/wrapper.rs:371:32
[INFO] [stdout]     |
[INFO] [stdout] 371 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 371 -     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout] 371 +     fn nightly(sf: SourceFile) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for reference `&proc_macro::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.89/src/wrapper.rs:461:56
[INFO] [stdout]     |
[INFO] [stdout] 461 |             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 461 -             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout] 461 +             Span::Compiler(s) => SourceFile::nightly(s.source()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c4d114d5ba5ab2bf9a98045cc39b6d32ff15537d8ae84334a81ab87c4ae565c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d114d5ba5ab2bf9a98045cc39b6d32ff15537d8ae84334a81ab87c4ae565c0", kill_on_drop: false }`
[INFO] [stdout] c4d114d5ba5ab2bf9a98045cc39b6d32ff15537d8ae84334a81ab87c4ae565c0
