[INFO] fetching crate doubter-impl 0.1.0...
[INFO] testing doubter-impl-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate doubter-impl 0.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate doubter-impl 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doubter-impl 0.1.0
[INFO] finished tweaking crates.io crate doubter-impl 0.1.0
[INFO] tweaked toml for crates.io crate doubter-impl 0.1.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9db5b37ff497cda6176c3695abd6b74fa327074f35a7d234eec839dc6dc3ec
[INFO] running `Command { std: "docker" "start" "-a" "1e9db5b37ff497cda6176c3695abd6b74fa327074f35a7d234eec839dc6dc3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9db5b37ff497cda6176c3695abd6b74fa327074f35a7d234eec839dc6dc3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9db5b37ff497cda6176c3695abd6b74fa327074f35a7d234eec839dc6dc3ec", kill_on_drop: false }`
[INFO] [stdout] 1e9db5b37ff497cda6176c3695abd6b74fa327074f35a7d234eec839dc6dc3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dffef6442bd5ea897908920d2fa9fdc6e647711e110b173a76af6d506a38ba6
[INFO] running `Command { std: "docker" "start" "-a" "4dffef6442bd5ea897908920d2fa9fdc6e647711e110b173a76af6d506a38ba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling doubter-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     E: Into<Box<StdError + Send + Sync + 'static>>,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/util.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout]    |                               ^^                                                          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 21 -         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout] 21 +         String::with_capacity(file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq`
[INFO] [stdout]   --> src/config.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     eq: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "4dffef6442bd5ea897908920d2fa9fdc6e647711e110b173a76af6d506a38ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dffef6442bd5ea897908920d2fa9fdc6e647711e110b173a76af6d506a38ba6", kill_on_drop: false }`
[INFO] [stdout] 4dffef6442bd5ea897908920d2fa9fdc6e647711e110b173a76af6d506a38ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9daba8c4637c563fcface3947d021925205f1686a3c135c02c9dd9f798b65a05
[INFO] running `Command { std: "docker" "start" "-a" "9daba8c4637c563fcface3947d021925205f1686a3c135c02c9dd9f798b65a05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     E: Into<Box<StdError + Send + Sync + 'static>>,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/util.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout]    |                               ^^                                                          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 21 -         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout] 21 +         String::with_capacity(file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling doubter-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `eq`
[INFO] [stdout]   --> src/config.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     eq: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     E: Into<Box<StdError + Send + Sync + 'static>>,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/util.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout]    |                               ^^                                                          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 21 -         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stdout] 21 +         String::with_capacity(file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq`
[INFO] [stdout]   --> src/config.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     eq: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "9daba8c4637c563fcface3947d021925205f1686a3c135c02c9dd9f798b65a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daba8c4637c563fcface3947d021925205f1686a3c135c02c9dd9f798b65a05", kill_on_drop: false }`
[INFO] [stdout] 9daba8c4637c563fcface3947d021925205f1686a3c135c02c9dd9f798b65a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26a7531526418f95ad3fefe58888f808df1427d54771fe5fec98deb1a1181e04
[INFO] running `Command { std: "docker" "start" "-a" "26a7531526418f95ad3fefe58888f808df1427d54771fe5fec98deb1a1181e04", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     E: Into<Box<StdError + Send + Sync + 'static>>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> src/util.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stderr]    |                               ^^                                                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 21 -         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stderr] 21 +         String::with_capacity(file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0));
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `eq`
[INFO] [stderr]   --> src/config.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     eq: Token![=],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root_dir`
[INFO] [stderr]   --> src/render.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     root_dir: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `doubter-impl` (lib) generated 4 warnings
[INFO] [stderr] warning: `doubter-impl` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doubter_impl-afc0e23fae6f21b9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test extract::tests::test_no_blocks ... ok
[INFO] [stdout] test render::sanitize::test_sanitize ... ok
[INFO] [stdout] test tree::normalize_path::test_normalize_path ... ok
[INFO] [stdout] test extract::tests::test_single_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests doubter-impl
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/util.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stderr]    |                               ^^                                                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 21 -         String::with_capacity({ file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0) });
[INFO] [stderr] 21 +         String::with_capacity(file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0));
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "26a7531526418f95ad3fefe58888f808df1427d54771fe5fec98deb1a1181e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a7531526418f95ad3fefe58888f808df1427d54771fe5fec98deb1a1181e04", kill_on_drop: false }`
[INFO] [stdout] 26a7531526418f95ad3fefe58888f808df1427d54771fe5fec98deb1a1181e04