[INFO] fetching crate cargo-whatfeatures 0.9.6...
[INFO] testing cargo-whatfeatures-0.9.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-whatfeatures 0.9.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-whatfeatures 0.9.6
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.6
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.12.0
[INFO] [stderr]   Downloaded attohttpc v0.16.0
[INFO] [stderr]   Downloaded crate_version_parse v0.2.0
[INFO] [stderr]   Downloaded directories-next v1.0.2
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded wildmatch v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31427a6d8e08b97b0040f946a2288ee81fd11704fdd21f837134e145cee43be1
[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" "31427a6d8e08b97b0040f946a2288ee81fd11704fdd21f837134e145cee43be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31427a6d8e08b97b0040f946a2288ee81fd11704fdd21f837134e145cee43be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31427a6d8e08b97b0040f946a2288ee81fd11704fdd21f837134e145cee43be1", kill_on_drop: false }`
[INFO] [stdout] 31427a6d8e08b97b0040f946a2288ee81fd11704fdd21f837134e145cee43be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de568b6db4372fd89d88b6af5aa51879d6a450aae241a11581c80342e33f1a8
[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" "6de568b6db4372fd89d88b6af5aa51879d6a450aae241a11581c80342e33f1a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling wildmatch v1.0.11
[INFO] [stderr]    Compiling crate_version_parse v0.2.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling directories-next v1.0.2
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.0
[INFO] [stderr]    Compiling attohttpc v0.16.0
[INFO] [stderr]    Compiling cargo-whatfeatures v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "6de568b6db4372fd89d88b6af5aa51879d6a450aae241a11581c80342e33f1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de568b6db4372fd89d88b6af5aa51879d6a450aae241a11581c80342e33f1a8", kill_on_drop: false }`
[INFO] [stdout] 6de568b6db4372fd89d88b6af5aa51879d6a450aae241a11581c80342e33f1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 2e893804ce3e8e6291403be56d2ed659c20120be3ef8930c95135b0a25cfcb01
[INFO] running `Command { std: "docker" "start" "-a" "2e893804ce3e8e6291403be56d2ed659c20120be3ef8930c95135b0a25cfcb01", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-whatfeatures v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "2e893804ce3e8e6291403be56d2ed659c20120be3ef8930c95135b0a25cfcb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e893804ce3e8e6291403be56d2ed659c20120be3ef8930c95135b0a25cfcb01", kill_on_drop: false }`
[INFO] [stdout] 2e893804ce3e8e6291403be56d2ed659c20120be3ef8930c95135b0a25cfcb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8ae5a7a60254ef50c0088c4138b78d8ef1b02767f19b9bb129e3b296a938cd5
[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" "d8ae5a7a60254ef50c0088c4138b78d8ef1b02767f19b9bb129e3b296a938cd5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_whatfeatures-1f65ee38336a6dd0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_whatfeatures-0227cc9e988ea9d3
[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] [stderr]    Doc-tests cargo-whatfeatures
[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; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8ae5a7a60254ef50c0088c4138b78d8ef1b02767f19b9bb129e3b296a938cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ae5a7a60254ef50c0088c4138b78d8ef1b02767f19b9bb129e3b296a938cd5", kill_on_drop: false }`
[INFO] [stdout] d8ae5a7a60254ef50c0088c4138b78d8ef1b02767f19b9bb129e3b296a938cd5