[INFO] cloning repository https://github.com/RustyYato/double-buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustyYato/double-buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Fdouble-buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Fdouble-buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f931f9a779a3999d30eec75c70047e755f869af
[INFO] checking RustyYato/double-buffer/0f931f9a779a3999d30eec75c70047e755f869af against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Fdouble-buffer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustyYato/double-buffer on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustyYato/double-buffer
[INFO] finished tweaking git repo https://github.com/RustyYato/double-buffer
[INFO] tweaked toml for git repo https://github.com/RustyYato/double-buffer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RustyYato/double-buffer 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pollster-macro v0.1.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baab694ad60fbb07d2d2ae79e1b6cd64bf4f360ecf84641a7e989e0b0b59d74d
[INFO] running `Command { std: "docker" "start" "-a" "baab694ad60fbb07d2d2ae79e1b6cd64bf4f360ecf84641a7e989e0b0b59d74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baab694ad60fbb07d2d2ae79e1b6cd64bf4f360ecf84641a7e989e0b0b59d74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baab694ad60fbb07d2d2ae79e1b6cd64bf4f360ecf84641a7e989e0b0b59d74d", kill_on_drop: false }`
[INFO] [stdout] baab694ad60fbb07d2d2ae79e1b6cd64bf4f360ecf84641a7e989e0b0b59d74d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0cc09c39ce586db219654e3c8ec031367a2ffdad21e0712948978534d79c18f
[INFO] running `Command { std: "docker" "start" "-a" "d0cc09c39ce586db219654e3c8ec031367a2ffdad21e0712948978534d79c18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking rc-box v1.2.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking dbuf v0.1.0 (/opt/rustwide/workdir/dbuf)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> dbuf/src/raw/reader.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Err((_, err)) => match err {},
[INFO] [stdout]     |             ^^^^^^^^^^^^^ matches no values because `(reader::ReaderGuard<'_, T, P>, Infallible)` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> dbuf/src/raw/reader.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err((_, err)) => match err {},
[INFO] [stdout]     |             ^^^^^^^^^^^^^ matches no values because `(reader::ReaderGuard<'_, T, P>, Infallible)` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chmap v0.1.0 (/opt/rustwide/workdir/chmap)
[INFO] [stdout] warning: field `reader` is never read
[INFO] [stdout]   --> chmap/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ReadGuard<'a, T: ?Sized, K, V, S> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 32 |     reader: dbuf::raw::ReaderGuard<'a, T, TablePointer<(K, V), S>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reader` is never read
[INFO] [stdout]   --> chmap/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ReadGuard<'a, T: ?Sized, K, V, S> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 32 |     reader: dbuf::raw::ReaderGuard<'a, T, TablePointer<(K, V), S>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pollster-macro v0.1.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> dbuf/src/raw/reader.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Err((_, err)) => match err {},
[INFO] [stdout]     |             ^^^^^^^^^^^^^ matches no values because `(reader::ReaderGuard<'_, T, P>, Infallible)` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> dbuf/src/raw/reader.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err((_, err)) => match err {},
[INFO] [stdout]     |             ^^^^^^^^^^^^^ matches no values because `(reader::ReaderGuard<'_, T, P>, Infallible)` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "d0cc09c39ce586db219654e3c8ec031367a2ffdad21e0712948978534d79c18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cc09c39ce586db219654e3c8ec031367a2ffdad21e0712948978534d79c18f", kill_on_drop: false }`
[INFO] [stdout] d0cc09c39ce586db219654e3c8ec031367a2ffdad21e0712948978534d79c18f