[INFO] cloning repository https://github.com/gregtatum/rust-sketches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregtatum/rust-sketches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc58bf57e38835fd1c28714d81a1ba3f587b52de
[INFO] checking gregtatum/rust-sketches against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregtatum/rust-sketches on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gregtatum/rust-sketches
[INFO] finished tweaking git repo https://github.com/gregtatum/rust-sketches
[INFO] tweaked toml for git repo https://github.com/gregtatum/rust-sketches written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gregtatum/rust-sketches 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded icu_provider_fs v0.1.0
[INFO] [stderr]   Downloaded tinystr-macros v0.2.0
[INFO] [stderr]   Downloaded tinystr v0.4.1
[INFO] [stderr]   Downloaded tinystr-raw v0.1.0
[INFO] [stderr]   Downloaded icu_locid_macros v0.1.0
[INFO] [stderr]   Downloaded icu_plurals v0.1.0
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded fixed_decimal v0.1.0
[INFO] [stderr]   Downloaded icu_uniset v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded icu v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded erased-serde v0.3.12
[INFO] [stderr]   Downloaded icu_locid v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded icu_provider v0.1.0
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded icu_datetime v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fa5c424d6f97c47f2eecfdd9a31b5f93f11bc23505bbd08ec4abc1166c18471
[INFO] running `Command { std: "docker" "start" "-a" "8fa5c424d6f97c47f2eecfdd9a31b5f93f11bc23505bbd08ec4abc1166c18471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa5c424d6f97c47f2eecfdd9a31b5f93f11bc23505bbd08ec4abc1166c18471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa5c424d6f97c47f2eecfdd9a31b5f93f11bc23505bbd08ec4abc1166c18471", kill_on_drop: false }`
[INFO] [stdout] 8fa5c424d6f97c47f2eecfdd9a31b5f93f11bc23505bbd08ec4abc1166c18471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57ddc6658a3e8c1352d0c110a22c6c6f38c5d5887d866341245eefa75dce059
[INFO] running `Command { std: "docker" "start" "-a" "c57ddc6658a3e8c1352d0c110a22c6c6f38c5d5887d866341245eefa75dce059", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tinystr-raw v0.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling tinystr-macros v0.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking icu_uniset v0.1.0
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking fixed_decimal v0.1.0
[INFO] [stderr]     Checking tinystr v0.4.1
[INFO] [stderr]    Compiling icu_locid v0.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling icu_locid_macros v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking icu_provider v0.1.0
[INFO] [stderr]     Checking icu_plurals v0.1.0
[INFO] [stderr]     Checking icu_datetime v0.1.0
[INFO] [stderr]     Checking icu_provider_fs v0.1.0
[INFO] [stderr]     Checking icu v0.1.0
[INFO] [stderr]     Checking spec-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/attributes-enums.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Vec3(Vec<[f32; 3]>),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Vec3(()),
[INFO] [stdout]   |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/attributes-enums.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Vec4(Vec<[f32; 4]>),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Vec4(()),
[INFO] [stdout]   |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/attributes-enums.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Vec9(Vec<[f32; 9]>),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Vec9(()),
[INFO] [stdout]   |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/attributes-enums.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Vec16(Vec<[f32; 16]>),
[INFO] [stdout]   |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Vec16(()),
[INFO] [stdout]   |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "c57ddc6658a3e8c1352d0c110a22c6c6f38c5d5887d866341245eefa75dce059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ddc6658a3e8c1352d0c110a22c6c6f38c5d5887d866341245eefa75dce059", kill_on_drop: false }`
[INFO] [stdout] c57ddc6658a3e8c1352d0c110a22c6c6f38c5d5887d866341245eefa75dce059