[INFO] fetching crate oxidebpf 0.2.7...
[INFO] checking oxidebpf-0.2.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate oxidebpf 0.2.7 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate oxidebpf 0.2.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxidebpf 0.2.7
[INFO] finished tweaking crates.io crate oxidebpf 0.2.7
[INFO] tweaked toml for crates.io crate oxidebpf 0.2.7 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding err-derive v0.2.4 (latest: v0.3.1)
[INFO] [stderr]       Adding goblin v0.4.3 (latest: v0.8.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding metrics v0.20.1 (latest: v0.22.3)
[INFO] [stderr]       Adding metrics-macros v0.6.0 (latest: v0.7.1)
[INFO] [stderr]       Adding nix v0.23.2 (latest: v0.28.0)
[INFO] [stderr]       Adding partition-identity v0.2.8 (latest: v0.3.0)
[INFO] [stderr]       Adding portable-atomic v0.3.20 (latest: v1.6.0)
[INFO] [stderr]       Adding proc-mounts v0.2.4 (latest: v0.3.0)
[INFO] [stderr]       Adding retry v1.3.1 (latest: v2.0.0)
[INFO] [stderr]       Adding scroll v0.10.2 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.10.5 (latest: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding thread-priority v0.7.0 (latest: v0.16.0)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded slog-atomic v3.1.0
[INFO] [stderr]   Downloaded metrics v0.20.1
[INFO] [stderr]   Downloaded metrics-macros v0.6.0
[INFO] [stderr]   Downloaded thread-priority v0.7.0
[INFO] [stderr]   Downloaded partition-identity v0.2.8
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded proc-mounts v0.2.4
[INFO] [stderr]   Downloaded portable-atomic v0.3.20
[INFO] [stderr]   Downloaded goblin v0.4.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b008833b7a2ef74a06dea8516a3d0e6aa6a23ea345461818682e20f40cca81d
[INFO] running `Command { std: "docker" "start" "-a" "1b008833b7a2ef74a06dea8516a3d0e6aa6a23ea345461818682e20f40cca81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b008833b7a2ef74a06dea8516a3d0e6aa6a23ea345461818682e20f40cca81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b008833b7a2ef74a06dea8516a3d0e6aa6a23ea345461818682e20f40cca81d", kill_on_drop: false }`
[INFO] [stdout] 1b008833b7a2ef74a06dea8516a3d0e6aa6a23ea345461818682e20f40cca81d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c56a6ad4c6c56084e7a10b52a4ceb021e3e31f12391f7e4c43a67d3ba6e2b6
[INFO] running `Command { std: "docker" "start" "-a" "91c56a6ad4c6c56084e7a10b52a4ceb021e3e31f12391f7e4c43a67d3ba6e2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking thread-priority v0.7.0
[INFO] [stderr]     Checking slog-atomic v3.1.0
[INFO] [stderr]     Checking retry v1.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]     Checking partition-identity v0.2.8
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking proc-mounts v0.2.4
[INFO] [stderr]     Checking goblin v0.4.3
[INFO] [stderr]     Checking oxidebpf v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/blueprint.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/bpf/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/blueprint.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/bpf/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "91c56a6ad4c6c56084e7a10b52a4ceb021e3e31f12391f7e4c43a67d3ba6e2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c56a6ad4c6c56084e7a10b52a4ceb021e3e31f12391f7e4c43a67d3ba6e2b6", kill_on_drop: false }`
[INFO] [stdout] 91c56a6ad4c6c56084e7a10b52a4ceb021e3e31f12391f7e4c43a67d3ba6e2b6