[INFO] cloning repository https://github.com/ashfordneil/looker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashfordneil/looker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06b261cb311d8c423be5075480e9831323f4d572
[INFO] testing ashfordneil/looker against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashfordneil/looker on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ashfordneil/looker
[INFO] finished tweaking git repo https://github.com/ashfordneil/looker
[INFO] tweaked toml for git repo https://github.com/ashfordneil/looker written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ashfordneil/looker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5ca86c79630a9eb8605059e3d47038013d5f4880eb35be36549d60975f3b1e9
[INFO] running `"docker" "start" "-a" "a5ca86c79630a9eb8605059e3d47038013d5f4880eb35be36549d60975f3b1e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling census v0.2.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling bitpacking v0.6.0
[INFO] [stderr]    Compiling fst v0.3.3
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tantivy-fst v0.1.0
[INFO] [stderr]    Compiling fail v0.2.1
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling notify v4.0.10
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling atomicwrites v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rust-stemmers v1.1.0
[INFO] [stderr]    Compiling rental v0.5.3
[INFO] [stderr]    Compiling owned-read v0.4.0
[INFO] [stderr]    Compiling tantivy v0.9.1
[INFO] [stderr]    Compiling looker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TokenStream`
[INFO] [stderr]   --> src/search.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokenizer::{TokenStream, Tokenizer},
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 48s
[INFO] running `"docker" "inspect" "a5ca86c79630a9eb8605059e3d47038013d5f4880eb35be36549d60975f3b1e9"`
[INFO] running `"docker" "rm" "-f" "a5ca86c79630a9eb8605059e3d47038013d5f4880eb35be36549d60975f3b1e9"`
[INFO] [stdout] a5ca86c79630a9eb8605059e3d47038013d5f4880eb35be36549d60975f3b1e9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c484dd6fdf4b2ae618a4bd61444fb16209929b9e230365d2405645bad8789173
[INFO] running `"docker" "start" "-a" "c484dd6fdf4b2ae618a4bd61444fb16209929b9e230365d2405645bad8789173"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling looker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TokenStream`
[INFO] [stderr]   --> src/search.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokenizer::{TokenStream, Tokenizer},
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `"docker" "inspect" "c484dd6fdf4b2ae618a4bd61444fb16209929b9e230365d2405645bad8789173"`
[INFO] running `"docker" "rm" "-f" "c484dd6fdf4b2ae618a4bd61444fb16209929b9e230365d2405645bad8789173"`
[INFO] [stdout] c484dd6fdf4b2ae618a4bd61444fb16209929b9e230365d2405645bad8789173
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc53d79ae9ce35a93541f147c7d185a5bfa7db585841b61c1c06bf2f20b18d76
[INFO] running `"docker" "start" "-a" "dc53d79ae9ce35a93541f147c7d185a5bfa7db585841b61c1c06bf2f20b18d76"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `TokenStream`
[INFO] [stderr]   --> src/search.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokenizer::{TokenStream, Tokenizer},
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/looker-6530f492ececea3c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc53d79ae9ce35a93541f147c7d185a5bfa7db585841b61c1c06bf2f20b18d76"`
[INFO] running `"docker" "rm" "-f" "dc53d79ae9ce35a93541f147c7d185a5bfa7db585841b61c1c06bf2f20b18d76"`
[INFO] [stdout] dc53d79ae9ce35a93541f147c7d185a5bfa7db585841b61c1c06bf2f20b18d76