[INFO] fetching crate nib 0.0.8...
[INFO] checking nib-0.0.8 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nib 0.0.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nib 0.0.8 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rst_renderer v0.4.0
[INFO] [stderr]   Downloaded document_tree v0.4.0
[INFO] [stderr]   Downloaded line-wrap v0.2.0
[INFO] [stderr]   Downloaded rst_parser v0.4.0
[INFO] [stderr]   Downloaded plist v1.6.1
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.3.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8976114573fab311dab0e206c3a2639fb53f60c4e3a47263d046922a5179c9a7
[INFO] running `Command { std: "docker" "start" "-a" "8976114573fab311dab0e206c3a2639fb53f60c4e3a47263d046922a5179c9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8976114573fab311dab0e206c3a2639fb53f60c4e3a47263d046922a5179c9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8976114573fab311dab0e206c3a2639fb53f60c4e3a47263d046922a5179c9a7", kill_on_drop: false }`
[INFO] [stdout] 8976114573fab311dab0e206c3a2639fb53f60c4e3a47263d046922a5179c9a7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e569fdea0e8d65cefb5065cb624edece77ed07e77d16a04449c9eedd0faac8
[INFO] running `Command { std: "docker" "start" "-a" "30e569fdea0e8d65cefb5065cb624edece77ed07e77d16a04449c9eedd0faac8", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking line-wrap v0.2.0
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking document_tree v0.4.0
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking plist v1.6.1
[INFO] [stderr]     Checking rst_parser v0.4.0
[INFO] [stderr]     Checking rst_renderer v0.4.0
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking nib v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[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] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/metadata/author.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/metadata/entry.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Eq, Ord, Ordering, PartialEq};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[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] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/fs.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use std::path::{Path, PathBuf};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 57 |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `Path` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]   --> src/fs.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use std::path::{Path, PathBuf};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 57 |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `PathBuf` is already imported here
[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: 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; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nib` (lib) due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nib` (lib test) due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "30e569fdea0e8d65cefb5065cb624edece77ed07e77d16a04449c9eedd0faac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e569fdea0e8d65cefb5065cb624edece77ed07e77d16a04449c9eedd0faac8", kill_on_drop: false }`
[INFO] [stdout] 30e569fdea0e8d65cefb5065cb624edece77ed07e77d16a04449c9eedd0faac8
