[INFO] fetching crate cargo-whatfeatures 0.9.1...
[INFO] checking cargo-whatfeatures-0.9.1 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate cargo-whatfeatures 0.9.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.1 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-whatfeatures 0.9.1
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.1
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded attohttpc v0.15.0
[INFO] [stderr]   Downloaded cargo_metadata v0.10.0
[INFO] [stderr]   Downloaded directories-next v1.0.1
[INFO] [stderr]   Downloaded crate_version_parse v0.2.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", 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] c54ad2adac41a551fdfd1ac9a17fdcfdeed407a5aa6bfe239cc3b88b48a41836
[INFO] running `Command { std: "docker" "start" "-a" "c54ad2adac41a551fdfd1ac9a17fdcfdeed407a5aa6bfe239cc3b88b48a41836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54ad2adac41a551fdfd1ac9a17fdcfdeed407a5aa6bfe239cc3b88b48a41836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54ad2adac41a551fdfd1ac9a17fdcfdeed407a5aa6bfe239cc3b88b48a41836", kill_on_drop: false }`
[INFO] [stdout] c54ad2adac41a551fdfd1ac9a17fdcfdeed407a5aa6bfe239cc3b88b48a41836
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--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] ce5396db246e4883415c801565413699719def427ea87e6e81b1938c78e04872
[INFO] running `Command { std: "docker" "start" "-a" "ce5396db246e4883415c801565413699719def427ea87e6e81b1938c78e04872", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking pico-args v0.3.3
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking directories-next v1.0.1
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking cargo-whatfeatures v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.02s
[INFO] running `Command { std: "docker" "inspect" "ce5396db246e4883415c801565413699719def427ea87e6e81b1938c78e04872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5396db246e4883415c801565413699719def427ea87e6e81b1938c78e04872", kill_on_drop: false }`
[INFO] [stdout] ce5396db246e4883415c801565413699719def427ea87e6e81b1938c78e04872