[INFO] cloning repository https://github.com/jfgreen/hyperfreeze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfgreen/hyperfreeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 612c7c54e3ff243218994bf89002dc58988ec6e6
[INFO] checking jfgreen/hyperfreeze against master#69fd5e4059f8840f09f60269bcda23dcdcb77151 for pr-135733
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfgreen/hyperfreeze on toolchain 69fd5e4059f8840f09f60269bcda23dcdcb77151
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfgreen/hyperfreeze
[INFO] finished tweaking git repo https://github.com/jfgreen/hyperfreeze
[INFO] tweaked toml for git repo https://github.com/jfgreen/hyperfreeze written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jfgreen/hyperfreeze 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" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fe667a1d895244a47464f1312c1200c0f6e1d06913ce7e1e95c49088204376f
[INFO] running `Command { std: "docker" "start" "-a" "3fe667a1d895244a47464f1312c1200c0f6e1d06913ce7e1e95c49088204376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fe667a1d895244a47464f1312c1200c0f6e1d06913ce7e1e95c49088204376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe667a1d895244a47464f1312c1200c0f6e1d06913ce7e1e95c49088204376f", kill_on_drop: false }`
[INFO] [stdout] 3fe667a1d895244a47464f1312c1200c0f6e1d06913ce7e1e95c49088204376f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ada65d78cc03ecec96ea0337918766f3dd04eed0d1ab70bfdea926be15cafe4
[INFO] running `Command { std: "docker" "start" "-a" "2ada65d78cc03ecec96ea0337918766f3dd04eed0d1ab70bfdea926be15cafe4", kill_on_drop: false }`
[INFO] [stderr]     Checking hyperfreeze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `List` is never constructed
[INFO] [stdout]   --> src/parse.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Block {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 27 |     Paragraph(Box<[TextRun]>),
[INFO] [stdout] 28 |     List(Box<[ListItem]>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Text` and `SubList` are never constructed
[INFO] [stdout]   --> src/parse.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum ListItem {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 45 |     Text(Box<[TextRun]>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     SubList(Box<[ListItem]>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ListItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ListBullet` is never constructed
[INFO] [stdout]   --> src/scan.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     ListBullet,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ListBullet` is never constructed
[INFO] [stdout]   --> src/scan.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     ListBullet,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2ada65d78cc03ecec96ea0337918766f3dd04eed0d1ab70bfdea926be15cafe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ada65d78cc03ecec96ea0337918766f3dd04eed0d1ab70bfdea926be15cafe4", kill_on_drop: false }`
[INFO] [stdout] 2ada65d78cc03ecec96ea0337918766f3dd04eed0d1ab70bfdea926be15cafe4