[INFO] fetching crate cyclic_data_types 0.2.3...
[INFO] checking cyclic_data_types-0.2.3 against master#bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 for pr-117351
[INFO] extracting crate cyclic_data_types 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cyclic_data_types 0.2.3 on toolchain bbcc1691a4646a6d2ebb2189bdff5b878407fbe6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyclic_data_types 0.2.3
[INFO] finished tweaking crates.io crate cyclic_data_types 0.2.3
[INFO] tweaked toml for crates.io crate cyclic_data_types 0.2.3 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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typewit_proc_macros v1.8.1
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded typewit v1.8.0
[INFO] [stderr]   Downloaded ring_queue v0.2.0
[INFO] [stderr]   Downloaded ringbuffer v0.11.1
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c4e71e1e26e2930589ebf49dc411811db9ae8c0a88a01c22ce9efd357506bb
[INFO] running `Command { std: "docker" "start" "-a" "51c4e71e1e26e2930589ebf49dc411811db9ae8c0a88a01c22ce9efd357506bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c4e71e1e26e2930589ebf49dc411811db9ae8c0a88a01c22ce9efd357506bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c4e71e1e26e2930589ebf49dc411811db9ae8c0a88a01c22ce9efd357506bb", kill_on_drop: false }`
[INFO] [stdout] 51c4e71e1e26e2930589ebf49dc411811db9ae8c0a88a01c22ce9efd357506bb
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad35b1336d6743c6ebb64e23a7c863ae621c3806f157a5fc80191fa0ae7893d
[INFO] running `Command { std: "docker" "start" "-a" "3ad35b1336d6743c6ebb64e23a7c863ae621c3806f157a5fc80191fa0ae7893d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking serde v1.0.190
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ring_queue v0.2.0
[INFO] [stderr]     Checking cyclic_data_types v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stdout] warning: associated function `new_empty` is never used
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<const SIZE: usize, T, const WRITE_OVER: bool> CyclicList<SIZE, T, WRITE_OVER> {
[INFO] [stdout]    | ---------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) unsafe fn new_empty(initializer: fn()->T) -> Self{
[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]     Checking clap v3.2.25
[INFO] [stderr]     Checking typewit v1.8.0
[INFO] [stderr]     Checking const_panic v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking ringbuffer v0.11.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: associated function `new_empty` is never used
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<const SIZE: usize, T, const WRITE_OVER: bool> CyclicList<SIZE, T, WRITE_OVER> {
[INFO] [stdout]    | ---------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) unsafe fn new_empty(initializer: fn()->T) -> Self{
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "3ad35b1336d6743c6ebb64e23a7c863ae621c3806f157a5fc80191fa0ae7893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad35b1336d6743c6ebb64e23a7c863ae621c3806f157a5fc80191fa0ae7893d", kill_on_drop: false }`
[INFO] [stdout] 3ad35b1336d6743c6ebb64e23a7c863ae621c3806f157a5fc80191fa0ae7893d