[INFO] fetching crate gengo 0.8.2...
[INFO] checking gengo-0.8.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gengo 0.8.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate gengo 0.8.2 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 gengo 0.8.2
[INFO] finished tweaking crates.io crate gengo 0.8.2
[INFO] tweaked toml for crates.io crate gengo 0.8.2 written to /workspace/builds/worker-2-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 224 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding faster-hex v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gix v0.55.2 (latest: v0.61.0)
[INFO] [stderr]       Adding gix-actor v0.28.1 (latest: v0.31.1)
[INFO] [stderr]       Adding gix-attributes v0.20.1 (latest: v0.22.2)
[INFO] [stderr]       Adding gix-command v0.2.10 (latest: v0.3.6)
[INFO] [stderr]       Adding gix-commitgraph v0.22.1 (latest: v0.24.2)
[INFO] [stderr]       Adding gix-config v0.31.0 (latest: v0.36.0)
[INFO] [stderr]       Adding gix-diff v0.37.0 (latest: v0.42.0)
[INFO] [stderr]       Adding gix-discover v0.26.0 (latest: v0.31.0)
[INFO] [stderr]       Adding gix-features v0.36.1 (latest: v0.38.1)
[INFO] [stderr]       Adding gix-filter v0.6.0 (latest: v0.11.0)
[INFO] [stderr]       Adding gix-fs v0.8.1 (latest: v0.10.1)
[INFO] [stderr]       Adding gix-glob v0.14.1 (latest: v0.16.2)
[INFO] [stderr]       Adding gix-hash v0.13.3 (latest: v0.14.2)
[INFO] [stderr]       Adding gix-hashtable v0.4.1 (latest: v0.5.2)
[INFO] [stderr]       Adding gix-ignore v0.9.1 (latest: v0.11.2)
[INFO] [stderr]       Adding gix-index v0.26.0 (latest: v0.31.1)
[INFO] [stderr]       Adding gix-lock v11.0.1 (latest: v13.1.1)
[INFO] [stderr]       Adding gix-object v0.38.0 (latest: v0.42.1)
[INFO] [stderr]       Adding gix-odb v0.54.0 (latest: v0.59.0)
[INFO] [stderr]       Adding gix-pack v0.44.0 (latest: v0.49.0)
[INFO] [stderr]       Adding gix-packetline-blocking v0.16.6 (latest: v0.17.3)
[INFO] [stderr]       Adding gix-pathspec v0.4.1 (latest: v0.7.2)
[INFO] [stderr]       Adding gix-ref v0.38.0 (latest: v0.43.0)
[INFO] [stderr]       Adding gix-refspec v0.19.0 (latest: v0.23.0)
[INFO] [stderr]       Adding gix-revision v0.23.0 (latest: v0.27.0)
[INFO] [stderr]       Adding gix-revwalk v0.9.0 (latest: v0.13.0)
[INFO] [stderr]       Adding gix-submodule v0.5.0 (latest: v0.10.0)
[INFO] [stderr]       Adding gix-tempfile v11.0.1 (latest: v13.1.1)
[INFO] [stderr]       Adding gix-traverse v0.34.0 (latest: v0.38.0)
[INFO] [stderr]       Adding gix-url v0.25.2 (latest: v0.27.2)
[INFO] [stderr]       Adding gix-worktree v0.27.0 (latest: v0.32.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding memmap2 v0.7.1 (latest: v0.9.4)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding prodash v26.2.2 (latest: v28.0.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[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] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 gix-path v0.10.7
[INFO] [stderr]   Downloaded gix-trace v0.1.8
[INFO] [stderr]   Downloaded gix-validate v0.8.4
[INFO] [stderr]   Downloaded gix-hash v0.13.3
[INFO] [stderr]   Downloaded faster-hex v0.9.0
[INFO] [stderr]   Downloaded gix-object v0.38.0
[INFO] [stderr]   Downloaded sha1-asm v0.5.2
[INFO] [stderr]   Downloaded gix-worktree v0.27.0
[INFO] [stderr]   Downloaded gix v0.55.2
[INFO] [stderr]   Downloaded prodash v26.2.2
[INFO] [stderr]   Downloaded gix-date v0.8.5
[INFO] [stderr]   Downloaded gix-features v0.36.1
[INFO] [stderr]   Downloaded gix-diff v0.37.0
[INFO] [stderr]   Downloaded gix-discover v0.26.0
[INFO] [stderr]   Downloaded gix-revision v0.23.0
[INFO] [stderr]   Downloaded gix-refspec v0.19.0
[INFO] [stderr]   Downloaded gix-url v0.25.2
[INFO] [stderr]   Downloaded gix-quote v0.4.12
[INFO] [stderr]   Downloaded gix-utils v0.1.11
[INFO] [stderr]   Downloaded gix-chunk v0.4.8
[INFO] [stderr]   Downloaded gix-command v0.2.10
[INFO] [stderr]   Downloaded faster-hex v0.8.1
[INFO] [stderr]   Downloaded libz-ng-sys v1.1.15
[INFO] [stderr]   Downloaded gix-packetline-blocking v0.16.6
[INFO] [stderr]   Downloaded gix-filter v0.6.0
[INFO] [stderr]   Downloaded gix-macros v0.1.4
[INFO] [stderr]   Downloaded gix-odb v0.54.0
[INFO] [stderr]   Downloaded clru v0.6.1
[INFO] [stderr]   Downloaded uluru v3.0.0
[INFO] [stderr]   Downloaded gix-pack v0.44.0
[INFO] [stderr]   Downloaded gix-ref v0.38.0
[INFO] [stderr]   Downloaded gix-sec v0.10.6
[INFO] [stderr]   Downloaded gix-config v0.31.0
[INFO] [stderr]   Downloaded gix-config-value v0.14.6
[INFO] [stderr]   Downloaded gix-pathspec v0.4.1
[INFO] [stderr]   Downloaded gix-submodule v0.5.0
[INFO] [stderr]   Downloaded gix-attributes v0.20.1
[INFO] [stderr]   Downloaded gix-glob v0.14.1
[INFO] [stderr]   Downloaded unicode-bom v2.0.3
[INFO] [stderr]   Downloaded gix-ignore v0.9.1
[INFO] [stderr]   Downloaded gix-bitmap v0.2.11
[INFO] [stderr]   Downloaded gix-fs v0.8.1
[INFO] [stderr]   Downloaded gix-tempfile v11.0.1
[INFO] [stderr]   Downloaded gix-lock v11.0.1
[INFO] [stderr]   Downloaded gix-commitgraph v0.22.1
[INFO] [stderr]   Downloaded gix-hashtable v0.4.1
[INFO] [stderr]   Downloaded gix-revwalk v0.9.0
[INFO] [stderr]   Downloaded gix-traverse v0.34.0
[INFO] [stderr]   Downloaded gix-index v0.26.0
[INFO] [stderr]   Downloaded gix-actor v0.28.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f282dc51bcb15d197c5087ac907db412f31bf10ebc43a5ae5cabeabbbfab6688
[INFO] running `Command { std: "docker" "start" "-a" "f282dc51bcb15d197c5087ac907db412f31bf10ebc43a5ae5cabeabbbfab6688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f282dc51bcb15d197c5087ac907db412f31bf10ebc43a5ae5cabeabbbfab6688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f282dc51bcb15d197c5087ac907db412f31bf10ebc43a5ae5cabeabbbfab6688", kill_on_drop: false }`
[INFO] [stdout] f282dc51bcb15d197c5087ac907db412f31bf10ebc43a5ae5cabeabbbfab6688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7b2ac7979792da35716fd42445192fb638b8289fccfa88e5550d048a41c57e45
[INFO] running `Command { std: "docker" "start" "-a" "7b2ac7979792da35716fd42445192fb638b8289fccfa88e5550d048a41c57e45", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking gix-trace v0.1.8
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking prodash v26.2.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]     Checking jwalk v0.8.1
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking gix-utils v0.1.11
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking gix-sec v0.10.6
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking uluru v3.0.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking clru v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking insta v1.38.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling gengo v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking gix-command v0.2.10
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling gix-macros v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking gix-date v0.8.5
[INFO] [stderr]     Checking gix-validate v0.8.4
[INFO] [stderr]     Checking gix-path v0.10.7
[INFO] [stderr]     Checking gix-chunk v0.4.8
[INFO] [stderr]     Checking gix-quote v0.4.12
[INFO] [stderr]     Checking gix-bitmap v0.2.11
[INFO] [stderr]     Checking gix-config-value v0.14.6
[INFO] [stderr]     Checking gix-actor v0.28.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking faster-hex v0.9.0
[INFO] [stderr]     Checking faster-hex v0.8.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking gix-packetline-blocking v0.16.6
[INFO] [stderr]     Checking gix-hash v0.13.3
[INFO] [stderr]     Checking gix-features v0.36.1
[INFO] [stderr]     Checking gix-hashtable v0.4.1
[INFO] [stderr]     Checking gix-object v0.38.0
[INFO] [stderr]     Checking gix-fs v0.8.1
[INFO] [stderr]     Checking gix-commitgraph v0.22.1
[INFO] [stderr]     Checking gix-glob v0.14.1
[INFO] [stderr]     Checking gix-url v0.25.2
[INFO] [stderr]     Checking gix-tempfile v11.0.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking gix-attributes v0.20.1
[INFO] [stderr]     Checking gix-ignore v0.9.1
[INFO] [stderr]     Checking gix-lock v11.0.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking gix-pathspec v0.4.1
[INFO] [stderr]     Checking gix-revwalk v0.9.0
[INFO] [stderr]     Checking gix-ref v0.38.0
[INFO] [stderr]     Checking gix-pack v0.44.0
[INFO] [stderr]     Checking gix-diff v0.37.0
[INFO] [stderr]     Checking gix-filter v0.6.0
[INFO] [stderr]     Checking gix-traverse v0.34.0
[INFO] [stderr]     Checking gix-revision v0.23.0
[INFO] [stderr]     Checking gix-index v0.26.0
[INFO] [stderr]     Checking gix-refspec v0.19.0
[INFO] [stderr]     Checking gix-odb v0.54.0
[INFO] [stderr]     Checking gix-config v0.31.0
[INFO] [stderr]     Checking gix-discover v0.26.0
[INFO] [stderr]     Checking gix-worktree v0.27.0
[INFO] [stderr]     Checking gix-submodule v0.5.0
[INFO] [stderr]     Checking gix v0.55.2
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/file_source/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/file_source/mod.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/file_source/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/file_source/mod.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` 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 10.88s
[INFO] running `Command { std: "docker" "inspect" "7b2ac7979792da35716fd42445192fb638b8289fccfa88e5550d048a41c57e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2ac7979792da35716fd42445192fb638b8289fccfa88e5550d048a41c57e45", kill_on_drop: false }`
[INFO] [stdout] 7b2ac7979792da35716fd42445192fb638b8289fccfa88e5550d048a41c57e45