[INFO] fetching crate mutnet 0.5.1...
[INFO] checking mutnet-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mutnet 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mutnet 0.5.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutnet 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mutnet 0.5.1
[INFO] tweaked toml for crates.io crate mutnet 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate mutnet 0.5.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded etherparse v0.13.0
[INFO] [stderr]   Downloaded pcap v1.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98213593bc5c1ecea6aaaca1d18f3aeb1090e0e1cce82b83e9f60faaee221f2b
[INFO] running `Command { std: "docker" "start" "-a" "98213593bc5c1ecea6aaaca1d18f3aeb1090e0e1cce82b83e9f60faaee221f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98213593bc5c1ecea6aaaca1d18f3aeb1090e0e1cce82b83e9f60faaee221f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98213593bc5c1ecea6aaaca1d18f3aeb1090e0e1cce82b83e9f60faaee221f2b", kill_on_drop: false }`
[INFO] [stdout] 98213593bc5c1ecea6aaaca1d18f3aeb1090e0e1cce82b83e9f60faaee221f2b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb0c76541dcac350246850db0633b8c6186eecf23ae926619f27f981223600d
[INFO] running `Command { std: "docker" "start" "-a" "8bb0c76541dcac350246850db0633b8c6186eecf23ae926619f27f981223600d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mutnet v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HeaderMetadataExtraction` is imported redundantly
[INFO] [stdout]  --> src/data_buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::data_buffer::traits::HeaderMetadataExtraction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | pub(crate) use crate::data_buffer::traits::*;
[INFO] [stdout]   |                ----------------------------- the item `HeaderMetadataExtraction` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling pcap v1.1.0
[INFO] [stderr]     Checking serde v1.0.189
[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 v0.5.1
[INFO] [stdout] warning: the item `HeaderMetadataExtraction` is imported redundantly
[INFO] [stdout]  --> src/data_buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::data_buffer::traits::HeaderMetadataExtraction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | pub(crate) use crate::data_buffer::traits::*;
[INFO] [stdout]   |                ----------------------------- the item `HeaderMetadataExtraction` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.62s
[INFO] running `Command { std: "docker" "inspect" "8bb0c76541dcac350246850db0633b8c6186eecf23ae926619f27f981223600d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb0c76541dcac350246850db0633b8c6186eecf23ae926619f27f981223600d", kill_on_drop: false }`
[INFO] [stdout] 8bb0c76541dcac350246850db0633b8c6186eecf23ae926619f27f981223600d
[INFO] checking mutnet-0.5.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mutnet 0.5.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate mutnet 0.5.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutnet 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mutnet 0.5.1
[INFO] tweaked toml for crates.io crate mutnet 0.5.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate mutnet 0.5.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0c379ed2dfe4895f0d8b465e4b0eac199502283bde49facb92218dc668abdc
[INFO] running `Command { std: "docker" "start" "-a" "1c0c379ed2dfe4895f0d8b465e4b0eac199502283bde49facb92218dc668abdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0c379ed2dfe4895f0d8b465e4b0eac199502283bde49facb92218dc668abdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0c379ed2dfe4895f0d8b465e4b0eac199502283bde49facb92218dc668abdc", kill_on_drop: false }`
[INFO] [stdout] 1c0c379ed2dfe4895f0d8b465e4b0eac199502283bde49facb92218dc668abdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61eebcf949abc0d03e421d0d18598f22ccb6cdb0252d7ed51d67414fbb76c8ee
[INFO] running `Command { std: "docker" "start" "-a" "61eebcf949abc0d03e421d0d18598f22ccb6cdb0252d7ed51d67414fbb76c8ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking mutnet v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HeaderMetadataExtraction` is imported redundantly
[INFO] [stdout]  --> src/data_buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::data_buffer::traits::HeaderMetadataExtraction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | pub(crate) use crate::data_buffer::traits::*;
[INFO] [stdout]   |                ----------------------------- the item `HeaderMetadataExtraction` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling pcap v1.1.0
[INFO] [stderr]     Checking serde v1.0.189
[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 v0.5.1
[INFO] [stdout] warning: the item `HeaderMetadataExtraction` is imported redundantly
[INFO] [stdout]  --> src/data_buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::data_buffer::traits::HeaderMetadataExtraction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | pub(crate) use crate::data_buffer::traits::*;
[INFO] [stdout]   |                ----------------------------- the item `HeaderMetadataExtraction` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.28s
[INFO] running `Command { std: "docker" "inspect" "61eebcf949abc0d03e421d0d18598f22ccb6cdb0252d7ed51d67414fbb76c8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61eebcf949abc0d03e421d0d18598f22ccb6cdb0252d7ed51d67414fbb76c8ee", kill_on_drop: false }`
[INFO] [stdout] 61eebcf949abc0d03e421d0d18598f22ccb6cdb0252d7ed51d67414fbb76c8ee