[INFO] fetching crate cargo-whatfeatures 0.9.6...
[INFO] testing cargo-whatfeatures-0.9.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-whatfeatures 0.9.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-5/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 268dc201ed1ad0e48295d1b29bab51178b47c7bf70c79c1d603a47b267793be5
[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" "268dc201ed1ad0e48295d1b29bab51178b47c7bf70c79c1d603a47b267793be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268dc201ed1ad0e48295d1b29bab51178b47c7bf70c79c1d603a47b267793be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268dc201ed1ad0e48295d1b29bab51178b47c7bf70c79c1d603a47b267793be5", kill_on_drop: false }`
[INFO] [stdout] 268dc201ed1ad0e48295d1b29bab51178b47c7bf70c79c1d603a47b267793be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da268204c7ac539fac5df5e227d83db75f42adc7900f9f24d120b155085763d
[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" "9da268204c7ac539fac5df5e227d83db75f42adc7900f9f24d120b155085763d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[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 anyhow v1.0.33
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling wildmatch v1.0.11
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling crate_version_parse v0.2.0
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling directories-next v1.0.2
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling attohttpc v0.16.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.0
[INFO] [stderr]    Compiling cargo-whatfeatures v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "9da268204c7ac539fac5df5e227d83db75f42adc7900f9f24d120b155085763d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da268204c7ac539fac5df5e227d83db75f42adc7900f9f24d120b155085763d", kill_on_drop: false }`
[INFO] [stdout] 9da268204c7ac539fac5df5e227d83db75f42adc7900f9f24d120b155085763d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "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] 3338f38fd1f9bbe710fea9f12eca98e060c5de5211f93f7fe8e0816377519460
[INFO] running `Command { std: "docker" "start" "-a" "3338f38fd1f9bbe710fea9f12eca98e060c5de5211f93f7fe8e0816377519460", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-whatfeatures v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "3338f38fd1f9bbe710fea9f12eca98e060c5de5211f93f7fe8e0816377519460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3338f38fd1f9bbe710fea9f12eca98e060c5de5211f93f7fe8e0816377519460", kill_on_drop: false }`
[INFO] [stdout] 3338f38fd1f9bbe710fea9f12eca98e060c5de5211f93f7fe8e0816377519460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "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] f06e16aaf81c59dce6299f3fc389f8d5949e28e5f334fa2d05301f410acae7ad
[INFO] running `Command { std: "docker" "start" "-a" "f06e16aaf81c59dce6299f3fc389f8d5949e28e5f334fa2d05301f410acae7ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_whatfeatures-1483748c7e117517
[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] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_whatfeatures-97fd544199c231fe
[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] [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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f06e16aaf81c59dce6299f3fc389f8d5949e28e5f334fa2d05301f410acae7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06e16aaf81c59dce6299f3fc389f8d5949e28e5f334fa2d05301f410acae7ad", kill_on_drop: false }`
[INFO] [stdout] f06e16aaf81c59dce6299f3fc389f8d5949e28e5f334fa2d05301f410acae7ad