[INFO] cloning repository https://github.com/cambiata/n-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cambiata/n-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambiata%2Fn-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambiata%2Fn-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d61d1cbb660929e26607451cd3697cee2a185c3
[INFO] building cambiata/n-workspace against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambiata%2Fn-workspace" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cambiata/n-workspace on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cambiata/n-workspace
[INFO] finished tweaking git repo https://github.com/cambiata/n-workspace
[INFO] tweaked toml for git repo https://github.com/cambiata/n-workspace written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cambiata/n-workspace 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaa57cc7c684df3bcac3cec5258cfdeb29782f3c23bfd09c7108ddbd7a056a29
[INFO] running `Command { std: "docker" "start" "-a" "aaa57cc7c684df3bcac3cec5258cfdeb29782f3c23bfd09c7108ddbd7a056a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaa57cc7c684df3bcac3cec5258cfdeb29782f3c23bfd09c7108ddbd7a056a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa57cc7c684df3bcac3cec5258cfdeb29782f3c23bfd09c7108ddbd7a056a29", kill_on_drop: false }`
[INFO] [stdout] aaa57cc7c684df3bcac3cec5258cfdeb29782f3c23bfd09c7108ddbd7a056a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b7b8bd334bb5d4b951cf7f66aec430b525698325179e021a6e8d5413e20e3f6
[INFO] running `Command { std: "docker" "start" "-a" "6b7b8bd334bb5d4b951cf7f66aec430b525698325179e021a6e8d5413e20e3f6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling graphics v0.1.0 (/opt/rustwide/workdir/libs/graphics)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling core v0.1.0 (/opt/rustwide/workdir/libs/core)
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/libs/utils)
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling grid v0.1.0 (/opt/rustwide/workdir/libs/grid)
[INFO] [stderr]    Compiling svg v0.1.0 (/opt/rustwide/workdir/libs/svg)
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling core_parse v0.1.0 (/opt/rustwide/workdir/libs/core_parse)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling score v0.1.0 (/opt/rustwide/workdir/libs/score)
[INFO] [stderr]    Compiling render v0.1.0 (/opt/rustwide/workdir/libs/render)
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling owned_ttf_parser v0.15.2
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling fonts v0.1.0 (/opt/rustwide/workdir/libs/fonts)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> libs/fonts/src/utils.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (max_x - min_x)
[INFO] [stdout]    |         ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         (max_x - min_x)
[INFO] [stdout] 67 +         max_x - min_x
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "6b7b8bd334bb5d4b951cf7f66aec430b525698325179e021a6e8d5413e20e3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7b8bd334bb5d4b951cf7f66aec430b525698325179e021a6e8d5413e20e3f6", kill_on_drop: false }`
[INFO] [stdout] 6b7b8bd334bb5d4b951cf7f66aec430b525698325179e021a6e8d5413e20e3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b22bbc5952d34df0258914c997a4863c3074946c05308b723d40db22f1576e
[INFO] running `Command { std: "docker" "start" "-a" "23b22bbc5952d34df0258914c997a4863c3074946c05308b723d40db22f1576e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling grid v0.1.0 (/opt/rustwide/workdir/libs/grid)
[INFO] [stderr]    Compiling core_parse v0.1.0 (/opt/rustwide/workdir/libs/core_parse)
[INFO] [stderr]    Compiling score v0.1.0 (/opt/rustwide/workdir/libs/score)
[INFO] [stderr]    Compiling svg v0.1.0 (/opt/rustwide/workdir/libs/svg)
[INFO] [stderr]    Compiling render v0.1.0 (/opt/rustwide/workdir/libs/render)
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/libs/utils)
[INFO] [stderr]    Compiling graphics v0.1.0 (/opt/rustwide/workdir/libs/graphics)
[INFO] [stderr]    Compiling core v0.1.0 (/opt/rustwide/workdir/libs/core)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> libs/fonts/src/utils.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (max_x - min_x)
[INFO] [stdout]    |         ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         (max_x - min_x)
[INFO] [stdout] 67 +         max_x - min_x
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fonts v0.1.0 (/opt/rustwide/workdir/libs/fonts)
[INFO] [stdout] warning: unused import: `Font`
[INFO] [stdout]   --> libs/fonts/examples/ex-fonts1.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rusttype::{point, Font, Point, Rect, Scale};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> libs/fonts/src/utils.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (max_x - min_x)
[INFO] [stdout]    |         ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         (max_x - min_x)
[INFO] [stdout] 67 +         max_x - min_x
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> libs/fonts/examples/ex-fonts1.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut x = 0.;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "23b22bbc5952d34df0258914c997a4863c3074946c05308b723d40db22f1576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b22bbc5952d34df0258914c997a4863c3074946c05308b723d40db22f1576e", kill_on_drop: false }`
[INFO] [stdout] 23b22bbc5952d34df0258914c997a4863c3074946c05308b723d40db22f1576e