[INFO] fetching crate nib 0.0.8...
[INFO] checking nib-0.0.8 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate nib 0.0.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nib 0.0.8 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nib 0.0.8
[INFO] finished tweaking crates.io crate nib 0.0.8
[INFO] tweaked toml for crates.io crate nib 0.0.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rst_renderer v0.4.0
[INFO] [stderr]   Downloaded rst_parser v0.4.0
[INFO] [stderr]   Downloaded document_tree v0.4.0
[INFO] [stderr]   Downloaded plist v1.6.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.3.1
[INFO] [stderr]   Downloaded fancy-regex v0.7.1
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a07f3e98e66e9a41731188489c4cfd4b1320974062c329945348d4b949ce62
[INFO] running `Command { std: "docker" "start" "-a" "02a07f3e98e66e9a41731188489c4cfd4b1320974062c329945348d4b949ce62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a07f3e98e66e9a41731188489c4cfd4b1320974062c329945348d4b949ce62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a07f3e98e66e9a41731188489c4cfd4b1320974062c329945348d4b949ce62", kill_on_drop: false }`
[INFO] [stdout] 02a07f3e98e66e9a41731188489c4cfd4b1320974062c329945348d4b949ce62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fefc7625015fa677ea83e01a04674e4ef7d222b05cf9fdb413efcbe1cf61bda
[INFO] running `Command { std: "docker" "start" "-a" "8fefc7625015fa677ea83e01a04674e4ef7d222b05cf9fdb413efcbe1cf61bda", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking pest v2.7.8
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling pest_meta v2.7.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.7.8
[INFO] [stderr]     Checking plist v1.6.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling pest_derive v2.7.8
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking document_tree v0.4.0
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking rst_parser v0.4.0
[INFO] [stderr]     Checking rst_renderer v0.4.0
[INFO] [stderr]     Checking nib v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AuthorKey`
[INFO] [stdout]  --> src/metadata/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use author::{AuthorKey, Author};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AuthorKey`
[INFO] [stdout]  --> src/metadata/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use author::{AuthorKey, Author};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/renderer.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         &mut *(&**s as *const Section as *mut MySection)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/renderer.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         &mut *(&**s as *const Section as *mut MySection)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nib` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nib` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8fefc7625015fa677ea83e01a04674e4ef7d222b05cf9fdb413efcbe1cf61bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fefc7625015fa677ea83e01a04674e4ef7d222b05cf9fdb413efcbe1cf61bda", kill_on_drop: false }`
[INFO] [stdout] 8fefc7625015fa677ea83e01a04674e4ef7d222b05cf9fdb413efcbe1cf61bda
