[INFO] fetching crate cargo-sweep 0.5.0...
[INFO] checking cargo-sweep-0.5.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cargo-sweep 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cargo-sweep 0.5.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-sweep 0.5.0
[INFO] finished tweaking crates.io crate cargo-sweep 0.5.0
[INFO] tweaked toml for crates.io crate cargo-sweep 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate cargo-sweep 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be1c950346034859511ea4aa4f08a2427262ef4cecda02397c68e9aa1498838
[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" "0be1c950346034859511ea4aa4f08a2427262ef4cecda02397c68e9aa1498838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be1c950346034859511ea4aa4f08a2427262ef4cecda02397c68e9aa1498838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be1c950346034859511ea4aa4f08a2427262ef4cecda02397c68e9aa1498838", kill_on_drop: false }`
[INFO] [stdout] 0be1c950346034859511ea4aa4f08a2427262ef4cecda02397c68e9aa1498838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec0523aaaa606c4fd3b406630f49cd2b356f22f8f9c74b8292490b2a066541f
[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" "3ec0523aaaa606c4fd3b406630f49cd2b356f22f8f9c74b8292490b2a066541f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking cargo_metadata v0.9.0
[INFO] [stderr]     Checking cargo-sweep v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.74s
[INFO] running `Command { std: "docker" "inspect" "3ec0523aaaa606c4fd3b406630f49cd2b356f22f8f9c74b8292490b2a066541f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec0523aaaa606c4fd3b406630f49cd2b356f22f8f9c74b8292490b2a066541f", kill_on_drop: false }`
[INFO] [stdout] 3ec0523aaaa606c4fd3b406630f49cd2b356f22f8f9c74b8292490b2a066541f