[INFO] updating cached repository https://github.com/ConnorSkees/grass
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ConnorSkees/grass
[INFO] [stderr]    29f7b28..41df8ba  master       -> master
[INFO] [stderr]    8390fd8..b135b87  selector-fns -> selector-fns
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41df8bafa47ac15f93aed17781925f25f5224642
[INFO] checking ConnorSkees/grass against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fgrass" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/grass on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ConnorSkees/grass
[INFO] finished tweaking git repo https://github.com/ConnorSkees/grass
[INFO] tweaked toml for git repo https://github.com/ConnorSkees/grass written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab58a42c65b1d2009170e1e1ea785eb930d408bca38a96aad1926c677ba71b5b
[INFO] running `"docker" "start" "-a" "ab58a42c65b1d2009170e1e1ea785eb930d408bca38a96aad1926c677ba71b5b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking peekmore v0.4.0
[INFO] [stderr]     Checking codemap v0.1.3
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking grass v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]     Checking paste v0.1.16
[INFO] [stderr] error[E0432]: unresolved import `criterion`
[INFO] [stderr]  --> benches/colors.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `criterion`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `criterion_group`
[INFO] [stderr]   --> benches/colors.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | criterion_group!(benches, many_hsla, many_named_colors,);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `criterion_main`
[INFO] [stderr]   --> benches/colors.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | criterion_main!(benches);
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `colors`
[INFO] [stderr]   --> benches/colors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stderr] 2  | | use grass::StyleSheet;
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | | pub fn many_hsla(c: &mut Criterion) {
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | | criterion_group!(benches, many_hsla, many_named_colors,);
[INFO] [stderr] 21 | | criterion_main!(benches);
[INFO] [stderr]    | |_________________________^ consider adding a `main` function to `benches/colors.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0601.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `grass`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ab58a42c65b1d2009170e1e1ea785eb930d408bca38a96aad1926c677ba71b5b"`
[INFO] running `"docker" "rm" "-f" "ab58a42c65b1d2009170e1e1ea785eb930d408bca38a96aad1926c677ba71b5b"`
[INFO] [stdout] ab58a42c65b1d2009170e1e1ea785eb930d408bca38a96aad1926c677ba71b5b