[INFO] fetching crate samotop 0.10.1...
[INFO] checking samotop-0.10.1 against beta for pr-78714
[INFO] extracting crate samotop 0.10.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate samotop 0.10.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samotop 0.10.1
[INFO] finished tweaking crates.io crate samotop 0.10.1
[INFO] tweaked toml for crates.io crate samotop 0.10.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate samotop 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "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] 3ae4ee37513e500873f62c88d0978bc09aa2092575751f5c6e890af20d87caf3
[INFO] running `Command { std: "docker" "start" "-a" "3ae4ee37513e500873f62c88d0978bc09aa2092575751f5c6e890af20d87caf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae4ee37513e500873f62c88d0978bc09aa2092575751f5c6e890af20d87caf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae4ee37513e500873f62c88d0978bc09aa2092575751f5c6e890af20d87caf3", kill_on_drop: false }`
[INFO] [stdout] 3ae4ee37513e500873f62c88d0978bc09aa2092575751f5c6e890af20d87caf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57604c47769e969b8057b5dfcee60fc461f32398170fa8ed487707710403420f
[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" "57604c47769e969b8057b5dfcee60fc461f32398170fa8ed487707710403420f", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking samotop-model v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling futures-await-test-macro v0.3.0
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking async-global-executor v1.4.2
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking viaspf v0.0.2
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking futures-await-test v0.3.0
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking samotop-core v0.10.0
[INFO] [stderr]     Checking async-tls v0.9.0
[INFO] [stderr]     Checking samotop-parser v0.10.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking samotop v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.98s
[INFO] running `Command { std: "docker" "inspect" "57604c47769e969b8057b5dfcee60fc461f32398170fa8ed487707710403420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57604c47769e969b8057b5dfcee60fc461f32398170fa8ed487707710403420f", kill_on_drop: false }`
[INFO] [stdout] 57604c47769e969b8057b5dfcee60fc461f32398170fa8ed487707710403420f