[INFO] fetching crate web-grep 0.1.4...
[INFO] testing web-grep-0.1.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate web-grep 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate web-grep 0.1.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web-grep 0.1.4
[INFO] finished tweaking crates.io crate web-grep 0.1.4
[INFO] tweaked toml for crates.io crate web-grep 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate web-grep 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded kuchiki v0.8.0
[INFO] [stderr]   Downloaded easy-scraper v0.1.1
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded siphasher v0.3.2
[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
[INFO] [stderr]   Downloaded phf_macros v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9d26be2afc17a42e643f58d946e4ce310f7e7f6cd2ecf4f863f98bbc083fba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b9d26be2afc17a42e643f58d946e4ce310f7e7f6cd2ecf4f863f98bbc083fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9d26be2afc17a42e643f58d946e4ce310f7e7f6cd2ecf4f863f98bbc083fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9d26be2afc17a42e643f58d946e4ce310f7e7f6cd2ecf4f863f98bbc083fba", kill_on_drop: false }`
[INFO] [stdout] 2b9d26be2afc17a42e643f58d946e4ce310f7e7f6cd2ecf4f863f98bbc083fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5da1206484c0157153e379f3e6190ca7309c7595f44c96aecfe8f66737580b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b5da1206484c0157153e379f3e6190ca7309c7595f44c96aecfe8f66737580b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling structopt v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling kuchiki v0.8.0
[INFO] [stderr]    Compiling easy-scraper v0.1.1
[INFO] [stderr]    Compiling web-grep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "3b5da1206484c0157153e379f3e6190ca7309c7595f44c96aecfe8f66737580b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5da1206484c0157153e379f3e6190ca7309c7595f44c96aecfe8f66737580b", kill_on_drop: false }`
[INFO] [stdout] 3b5da1206484c0157153e379f3e6190ca7309c7595f44c96aecfe8f66737580b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a45043c2afc11ccd6391b2487b9ec71ba1f7395d2850f9677ebbe2b8fb3ff7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4a45043c2afc11ccd6391b2487b9ec71ba1f7395d2850f9677ebbe2b8fb3ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-grep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "a4a45043c2afc11ccd6391b2487b9ec71ba1f7395d2850f9677ebbe2b8fb3ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a45043c2afc11ccd6391b2487b9ec71ba1f7395d2850f9677ebbe2b8fb3ff7", kill_on_drop: false }`
[INFO] [stdout] a4a45043c2afc11ccd6391b2487b9ec71ba1f7395d2850f9677ebbe2b8fb3ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 647e95ceed21d6aca6c7df45fc2e7af1a164ee9fca669ef883a1b9373c7a294b
[INFO] running `Command { std: "docker" "start" "-a" "647e95ceed21d6aca6c7df45fc2e7af1a164ee9fca669ef883a1b9373c7a294b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_grep-303af8ad5207b9c4)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "647e95ceed21d6aca6c7df45fc2e7af1a164ee9fca669ef883a1b9373c7a294b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647e95ceed21d6aca6c7df45fc2e7af1a164ee9fca669ef883a1b9373c7a294b", kill_on_drop: false }`
[INFO] [stdout] 647e95ceed21d6aca6c7df45fc2e7af1a164ee9fca669ef883a1b9373c7a294b