[INFO] fetching crate pwner 0.1.5...
[INFO] testing pwner-0.1.5 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate pwner 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pwner 0.1.5 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwner 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pwner 0.1.5
[INFO] tweaked toml for crates.io crate pwner 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pwner 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.0
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded tokio v0.3.3
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0caec30bf64cee811e5abe02d8a6945efa5bb0623eebcc4f3122b82c0b5c886
[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" "b0caec30bf64cee811e5abe02d8a6945efa5bb0623eebcc4f3122b82c0b5c886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0caec30bf64cee811e5abe02d8a6945efa5bb0623eebcc4f3122b82c0b5c886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0caec30bf64cee811e5abe02d8a6945efa5bb0623eebcc4f3122b82c0b5c886", kill_on_drop: false }`
[INFO] [stdout] b0caec30bf64cee811e5abe02d8a6945efa5bb0623eebcc4f3122b82c0b5c886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da76e6affe9c3a429a5edfe92c2c744ff7dd01d6a605b7b46dfc97a0128d1378
[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" "da76e6affe9c3a429a5edfe92c2c744ff7dd01d6a605b7b46dfc97a0128d1378", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.19.0
[INFO] [stderr]    Compiling pwner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.05s
[INFO] running `Command { std: "docker" "inspect" "da76e6affe9c3a429a5edfe92c2c744ff7dd01d6a605b7b46dfc97a0128d1378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da76e6affe9c3a429a5edfe92c2c744ff7dd01d6a605b7b46dfc97a0128d1378", kill_on_drop: false }`
[INFO] [stdout] da76e6affe9c3a429a5edfe92c2c744ff7dd01d6a605b7b46dfc97a0128d1378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 01b035880aac03014cede0f7828675369a678aac9fdf6e72915c8b0be94073c1
[INFO] running `Command { std: "docker" "start" "-a" "01b035880aac03014cede0f7828675369a678aac9fdf6e72915c8b0be94073c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling pwner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.25s
[INFO] running `Command { std: "docker" "inspect" "01b035880aac03014cede0f7828675369a678aac9fdf6e72915c8b0be94073c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b035880aac03014cede0f7828675369a678aac9fdf6e72915c8b0be94073c1", kill_on_drop: false }`
[INFO] [stdout] 01b035880aac03014cede0f7828675369a678aac9fdf6e72915c8b0be94073c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c41d85e92e493f5b80a69728ef608e5e3002f0232680eea2a17b588b88236de
[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" "5c41d85e92e493f5b80a69728ef608e5e3002f0232680eea2a17b588b88236de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pwner-530e4103e0831a47)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test process::test::read ... ok
[INFO] [stderr]    Doc-tests pwner
[INFO] [stdout] test process::test::drop ... ok
[INFO] [stdout] test process::test::write ... ok
[INFO] [stdout] test process::test::decompose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/process.rs - process::Duplex::decompose (line 179) - compile ... ok
[INFO] [stdout] test src/process.rs - process (line 31) - compile ... ok
[INFO] [stdout] test src/process.rs - process (line 7) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 45) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::id (line 107) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex (line 266) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex::eject (line 322) - compile ... ok
[INFO] [stdout] test src/process.rs - process (line 16) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::pipes (line 150) - compile ... ok
[INFO] [stdout] test src/lib.rs - Spawner::spawn_owned (line 83) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::eject (line 214) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 21) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Output::pipes (line 397) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Output::read_from (line 376) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::read_from (line 129) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex::id (line 292) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c41d85e92e493f5b80a69728ef608e5e3002f0232680eea2a17b588b88236de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c41d85e92e493f5b80a69728ef608e5e3002f0232680eea2a17b588b88236de", kill_on_drop: false }`
[INFO] [stdout] 5c41d85e92e493f5b80a69728ef608e5e3002f0232680eea2a17b588b88236de