[INFO] fetching crate runix 0.1.1...
[INFO] checking runix-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate runix 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate runix 0.1.1 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 runix 0.1.1
[INFO] finished tweaking crates.io crate runix 0.1.1
[INFO] tweaked toml for crates.io crate runix 0.1.1 written to /workspace/builds/worker-5-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 114 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding serde_with v2.3.3 (latest: v3.7.0)
[INFO] [stderr]       Adding serde_with_macros v2.3.3 (latest: v3.7.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 runix-derive v0.1.0
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc6820ea6386a3a94ab9ff2a7774bdefb35af4e731a4ec5a125cade08c23b942
[INFO] running `Command { std: "docker" "start" "-a" "bc6820ea6386a3a94ab9ff2a7774bdefb35af4e731a4ec5a125cade08c23b942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc6820ea6386a3a94ab9ff2a7774bdefb35af4e731a4ec5a125cade08c23b942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6820ea6386a3a94ab9ff2a7774bdefb35af4e731a4ec5a125cade08c23b942", kill_on_drop: false }`
[INFO] [stdout] bc6820ea6386a3a94ab9ff2a7774bdefb35af4e731a4ec5a125cade08c23b942
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e48785ed4813f52e6b8d6377e0744e240bab6c7a20341bdd5e8d5ee03de0d4
[INFO] running `Command { std: "docker" "start" "-a" "f8e48785ed4813f52e6b8d6377e0744e240bab6c7a20341bdd5e8d5ee03de0d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling runix-derive v0.1.0
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_with v2.3.3
[INFO] [stderr]     Checking runix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Url` is imported redundantly
[INFO] [stdout]    --> src/flake_ref.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |     use url::Url;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 373 |
[INFO] [stdout] 374 |     use super::*;
[INFO] [stdout]     |         -------- the item `Url` 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 11.04s
[INFO] running `Command { std: "docker" "inspect" "f8e48785ed4813f52e6b8d6377e0744e240bab6c7a20341bdd5e8d5ee03de0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e48785ed4813f52e6b8d6377e0744e240bab6c7a20341bdd5e8d5ee03de0d4", kill_on_drop: false }`
[INFO] [stdout] f8e48785ed4813f52e6b8d6377e0744e240bab6c7a20341bdd5e8d5ee03de0d4