[INFO] fetching crate reading_time_estimator 0.1.0...
[INFO] testing reading_time_estimator-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate reading_time_estimator 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reading_time_estimator 0.1.0 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 reading_time_estimator 0.1.0
[INFO] finished tweaking crates.io crate reading_time_estimator 0.1.0
[INFO] tweaked toml for crates.io crate reading_time_estimator 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a9d1c38443b21f8a59495a1a01a9f1c5ef8593393e20c5f1753c795c3c03d82
[INFO] running `Command { std: "docker" "start" "-a" "8a9d1c38443b21f8a59495a1a01a9f1c5ef8593393e20c5f1753c795c3c03d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9d1c38443b21f8a59495a1a01a9f1c5ef8593393e20c5f1753c795c3c03d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9d1c38443b21f8a59495a1a01a9f1c5ef8593393e20c5f1753c795c3c03d82", kill_on_drop: false }`
[INFO] [stdout] 8a9d1c38443b21f8a59495a1a01a9f1c5ef8593393e20c5f1753c795c3c03d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6a855a3491fdc5289e24f66a384f331aef29b010a15294ed1f4b2be5cc8c894
[INFO] running `Command { std: "docker" "start" "-a" "f6a855a3491fdc5289e24f66a384f331aef29b010a15294ed1f4b2be5cc8c894", kill_on_drop: false }`
[INFO] [stderr]    Compiling reading_time_estimator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f6a855a3491fdc5289e24f66a384f331aef29b010a15294ed1f4b2be5cc8c894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a855a3491fdc5289e24f66a384f331aef29b010a15294ed1f4b2be5cc8c894", kill_on_drop: false }`
[INFO] [stdout] f6a855a3491fdc5289e24f66a384f331aef29b010a15294ed1f4b2be5cc8c894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] c79ec8bf4f4d2fe38caff7e95c8831943521bc6414c128a6cd1c9b0b71edae3e
[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" "c79ec8bf4f4d2fe38caff7e95c8831943521bc6414c128a6cd1c9b0b71edae3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling reading_time_estimator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c79ec8bf4f4d2fe38caff7e95c8831943521bc6414c128a6cd1c9b0b71edae3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79ec8bf4f4d2fe38caff7e95c8831943521bc6414c128a6cd1c9b0b71edae3e", kill_on_drop: false }`
[INFO] [stdout] c79ec8bf4f4d2fe38caff7e95c8831943521bc6414c128a6cd1c9b0b71edae3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] fd3e64ebb22da38023bf1dd62fe6293245fd144241c10f65d291c1d0469a61eb
[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" "fd3e64ebb22da38023bf1dd62fe6293245fd144241c10f65d291c1d0469a61eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reading_time_estimator-bd79bf5b8eedeb24
[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 reading_time_estimator
[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" "fd3e64ebb22da38023bf1dd62fe6293245fd144241c10f65d291c1d0469a61eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3e64ebb22da38023bf1dd62fe6293245fd144241c10f65d291c1d0469a61eb", kill_on_drop: false }`
[INFO] [stdout] fd3e64ebb22da38023bf1dd62fe6293245fd144241c10f65d291c1d0469a61eb