[INFO] fetching crate dumbnet 0.1.0...
[INFO] testing dumbnet-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate dumbnet 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dumbnet 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dumbnet 0.1.0
[INFO] finished tweaking crates.io crate dumbnet 0.1.0
[INFO] tweaked toml for crates.io crate dumbnet 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate dumbnet 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 077bde49ecaa703ef7d5d2d2b5d53749554535886b112845106a06edc84e5522
[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" "077bde49ecaa703ef7d5d2d2b5d53749554535886b112845106a06edc84e5522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077bde49ecaa703ef7d5d2d2b5d53749554535886b112845106a06edc84e5522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077bde49ecaa703ef7d5d2d2b5d53749554535886b112845106a06edc84e5522", kill_on_drop: false }`
[INFO] [stdout] 077bde49ecaa703ef7d5d2d2b5d53749554535886b112845106a06edc84e5522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa5989dba13d8369c4ceeaf7217b7272323768d9632afa22be04f92459f93d5f
[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" "aa5989dba13d8369c4ceeaf7217b7272323768d9632afa22be04f92459f93d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling numeric-array v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling dumbnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.79s
[INFO] running `Command { std: "docker" "inspect" "aa5989dba13d8369c4ceeaf7217b7272323768d9632afa22be04f92459f93d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5989dba13d8369c4ceeaf7217b7272323768d9632afa22be04f92459f93d5f", kill_on_drop: false }`
[INFO] [stdout] aa5989dba13d8369c4ceeaf7217b7272323768d9632afa22be04f92459f93d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] ea4ff3486e57c54d0e339f0f52e46e651d40130d5f659c755da848f2f734a0ac
[INFO] running `Command { std: "docker" "start" "-a" "ea4ff3486e57c54d0e339f0f52e46e651d40130d5f659c755da848f2f734a0ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling gnuplot v0.0.32
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling dumbnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "ea4ff3486e57c54d0e339f0f52e46e651d40130d5f659c755da848f2f734a0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4ff3486e57c54d0e339f0f52e46e651d40130d5f659c755da848f2f734a0ac", kill_on_drop: false }`
[INFO] [stdout] ea4ff3486e57c54d0e339f0f52e46e651d40130d5f659c755da848f2f734a0ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] d9dd447365d9264a7890a7885b3202767824f9ed96e4696234ae45e0661e6cc5
[INFO] running `Command { std: "docker" "start" "-a" "d9dd447365d9264a7890a7885b3202767824f9ed96e4696234ae45e0661e6cc5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dumbnet-3ee61b4a97ba9ff7)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dumbnet
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9dd447365d9264a7890a7885b3202767824f9ed96e4696234ae45e0661e6cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9dd447365d9264a7890a7885b3202767824f9ed96e4696234ae45e0661e6cc5", kill_on_drop: false }`
[INFO] [stdout] d9dd447365d9264a7890a7885b3202767824f9ed96e4696234ae45e0661e6cc5