[INFO] fetching crate ruststep-derive 0.3.0...
[INFO] checking ruststep-derive-0.3.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate ruststep-derive 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ruststep-derive 0.3.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruststep-derive 0.3.0
[INFO] finished tweaking crates.io crate ruststep-derive 0.3.0
[INFO] tweaked toml for crates.io crate ruststep-derive 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v1.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f72befa19d10b03824bcb929cea875ed87bc9fac4d0db3d09279f687b19adba8
[INFO] running `Command { std: "docker" "start" "-a" "f72befa19d10b03824bcb929cea875ed87bc9fac4d0db3d09279f687b19adba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72befa19d10b03824bcb929cea875ed87bc9fac4d0db3d09279f687b19adba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72befa19d10b03824bcb929cea875ed87bc9fac4d0db3d09279f687b19adba8", kill_on_drop: false }`
[INFO] [stdout] f72befa19d10b03824bcb929cea875ed87bc9fac4d0db3d09279f687b19adba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d57e5cbafadce2a43f1c9f4cbebe74931af4f47022206d5c43bc8316de5f7b
[INFO] running `Command { std: "docker" "start" "-a" "62d57e5cbafadce2a43f1c9f4cbebe74931af4f47022206d5c43bc8316de5f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]     Checking unicode-ident v1.0.9
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking toml_datetime v0.6.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling trybuild v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking basic-toml v0.1.2
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking insta v1.29.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.8.3
[INFO] [stderr]     Checking toml_edit v0.19.10
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking ruststep-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/field_type.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let mut last_seg = segments.last_mut().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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/field_type.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let mut last_seg = segments.last_mut().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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `espr`
[INFO] [stdout]    --> src/lib.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let out = espr::codegen::rust::rustfmt(tt.to_string());
[INFO] [stdout]     |                   ^^^^ use of undeclared crate or module `espr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `espr`
[INFO] [stdout]    --> src/lib.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let out = espr::codegen::rust::rustfmt(tt.to_string());
[INFO] [stdout]     |                   ^^^^ use of undeclared crate or module `espr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `espr`
[INFO] [stdout]    --> src/lib.rs:420:19
[INFO] [stdout]     |
[INFO] [stdout] 420 |         let out = espr::codegen::rust::rustfmt(tt.to_string());
[INFO] [stdout]     |                   ^^^^ use of undeclared crate or module `espr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruststep-derive` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "62d57e5cbafadce2a43f1c9f4cbebe74931af4f47022206d5c43bc8316de5f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d57e5cbafadce2a43f1c9f4cbebe74931af4f47022206d5c43bc8316de5f7b", kill_on_drop: false }`
[INFO] [stdout] 62d57e5cbafadce2a43f1c9f4cbebe74931af4f47022206d5c43bc8316de5f7b
