[INFO] fetching crate pwner 0.1.3...
[INFO] testing pwner-0.1.3 against beta-2020-10-16 for beta-1.48-2-subset
[INFO] extracting crate pwner 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pwner 0.1.3 on toolchain beta-2020-10-16
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-16" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwner 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pwner 0.1.3
[INFO] tweaked toml for crates.io crate pwner 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pwner 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-16" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[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" "+beta-2020-10-16" "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] 4bd1da94a0dd1f67fc0d68c4329ae310b5c452b42deaa2050f91061e4136ff0f
[INFO] running `Command { std: "docker" "start" "-a" "4bd1da94a0dd1f67fc0d68c4329ae310b5c452b42deaa2050f91061e4136ff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd1da94a0dd1f67fc0d68c4329ae310b5c452b42deaa2050f91061e4136ff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd1da94a0dd1f67fc0d68c4329ae310b5c452b42deaa2050f91061e4136ff0f", kill_on_drop: false }`
[INFO] [stdout] 4bd1da94a0dd1f67fc0d68c4329ae310b5c452b42deaa2050f91061e4136ff0f
[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" "+beta-2020-10-16" "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] c79633037085a060819f7f0165139285754566e6c62d19a963cdc73a62a1648f
[INFO] running `Command { std: "docker" "start" "-a" "c79633037085a060819f7f0165139285754566e6c62d19a963cdc73a62a1648f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pwner v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.29s
[INFO] running `Command { std: "docker" "inspect" "c79633037085a060819f7f0165139285754566e6c62d19a963cdc73a62a1648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79633037085a060819f7f0165139285754566e6c62d19a963cdc73a62a1648f", kill_on_drop: false }`
[INFO] [stdout] c79633037085a060819f7f0165139285754566e6c62d19a963cdc73a62a1648f
[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" "+beta-2020-10-16" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c02dc3a1c0e2316dcfba184e9f3e74eee3a3cdbd90ba677134117a10a95bb1d
[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" "2c02dc3a1c0e2316dcfba184e9f3e74eee3a3cdbd90ba677134117a10a95bb1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.16
[INFO] [stderr]    Compiling pwner v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.99s
[INFO] running `Command { std: "docker" "inspect" "2c02dc3a1c0e2316dcfba184e9f3e74eee3a3cdbd90ba677134117a10a95bb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c02dc3a1c0e2316dcfba184e9f3e74eee3a3cdbd90ba677134117a10a95bb1d", kill_on_drop: false }`
[INFO] [stdout] 2c02dc3a1c0e2316dcfba184e9f3e74eee3a3cdbd90ba677134117a10a95bb1d
[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" "+beta-2020-10-16" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39e7d57530c705176e7300b1b47778dc765404b03334d7e5a3aa0cc54ba9557b
[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" "39e7d57530c705176e7300b1b47778dc765404b03334d7e5a3aa0cc54ba9557b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pwner-9859c4e6028ffb95
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test process::test::test_read ... ok
[INFO] [stdout] test process::test::test_drop ... ok
[INFO] [stdout] test process::test::test_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pwner
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/process.rs - process::Process::decompose (line 151) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/process.rs - process::Process::id (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/process.rs - process (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Spawner::spawn_owned (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Process::id (line 107) ... ok
[INFO] [stdout] test src/process.rs - process::Process::read_from (line 130) ... ok
[INFO] [stdout] test src/process.rs - process (line 7) ... ok
[INFO] [stdout] test src/process.rs - process (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39e7d57530c705176e7300b1b47778dc765404b03334d7e5a3aa0cc54ba9557b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e7d57530c705176e7300b1b47778dc765404b03334d7e5a3aa0cc54ba9557b", kill_on_drop: false }`
[INFO] [stdout] 39e7d57530c705176e7300b1b47778dc765404b03334d7e5a3aa0cc54ba9557b