[INFO] cloning repository https://github.com/phansch/rust-worksheets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phansch/rust-worksheets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphansch%2Frust-worksheets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphansch%2Frust-worksheets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21360376228c886a324bbd617b37771c2d7f812d
[INFO] testing phansch/rust-worksheets against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphansch%2Frust-worksheets" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phansch/rust-worksheets on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phansch/rust-worksheets
[INFO] finished tweaking git repo https://github.com/phansch/rust-worksheets
[INFO] tweaked toml for git repo https://github.com/phansch/rust-worksheets written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/phansch/rust-worksheets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80a67bed4fab7be33479c31d23aa6df7a80b934c718f338038bbe08965033426
[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" "80a67bed4fab7be33479c31d23aa6df7a80b934c718f338038bbe08965033426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a67bed4fab7be33479c31d23aa6df7a80b934c718f338038bbe08965033426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a67bed4fab7be33479c31d23aa6df7a80b934c718f338038bbe08965033426", kill_on_drop: false }`
[INFO] [stdout] 80a67bed4fab7be33479c31d23aa6df7a80b934c718f338038bbe08965033426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0618fdeb2ed860e8e40bd1340ad4569840be1a6278796805fb375343b302778a
[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" "0618fdeb2ed860e8e40bd1340ad4569840be1a6278796805fb375343b302778a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.22
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling http v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]    Compiling rust-worksheets v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "0618fdeb2ed860e8e40bd1340ad4569840be1a6278796805fb375343b302778a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0618fdeb2ed860e8e40bd1340ad4569840be1a6278796805fb375343b302778a", kill_on_drop: false }`
[INFO] [stdout] 0618fdeb2ed860e8e40bd1340ad4569840be1a6278796805fb375343b302778a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f767b2a601938c263f8c970922858a09473f8b93c87a2ef14b32b466c2ac97
[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" "03f767b2a601938c263f8c970922858a09473f8b93c87a2ef14b32b466c2ac97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-worksheets v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "03f767b2a601938c263f8c970922858a09473f8b93c87a2ef14b32b466c2ac97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f767b2a601938c263f8c970922858a09473f8b93c87a2ef14b32b466c2ac97", kill_on_drop: false }`
[INFO] [stdout] 03f767b2a601938c263f8c970922858a09473f8b93c87a2ef14b32b466c2ac97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1c04b616abe1afacebae37bc148622bbe771dc585c2274ce7873f548d1d081d
[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" "f1c04b616abe1afacebae37bc148622bbe771dc585c2274ce7873f548d1d081d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_worksheets-393923c49569acc8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-1574bee479a45c31
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rust-worksheets
[INFO] [stdout] test test_greet ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1c04b616abe1afacebae37bc148622bbe771dc585c2274ce7873f548d1d081d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c04b616abe1afacebae37bc148622bbe771dc585c2274ce7873f548d1d081d", kill_on_drop: false }`
[INFO] [stdout] f1c04b616abe1afacebae37bc148622bbe771dc585c2274ce7873f548d1d081d