[INFO] fetching crate awak 0.2.4...
[INFO] testing awak-0.2.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate awak 0.2.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate awak 0.2.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awak 0.2.4
[INFO] finished tweaking crates.io crate awak 0.2.4
[INFO] tweaked toml for crates.io crate awak 0.2.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate awak 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e2e40d3e8522b3b0c264b0a5c4162ecc6f9c93bd6f8f772687bbb36fda7a90
[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" "66e2e40d3e8522b3b0c264b0a5c4162ecc6f9c93bd6f8f772687bbb36fda7a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e2e40d3e8522b3b0c264b0a5c4162ecc6f9c93bd6f8f772687bbb36fda7a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e2e40d3e8522b3b0c264b0a5c4162ecc6f9c93bd6f8f772687bbb36fda7a90", kill_on_drop: false }`
[INFO] [stdout] 66e2e40d3e8522b3b0c264b0a5c4162ecc6f9c93bd6f8f772687bbb36fda7a90
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08eedcb55e2008eafd9c77682f3af23100810ccc1231fabc498096a1870c1946
[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" "08eedcb55e2008eafd9c77682f3af23100810ccc1231fabc498096a1870c1946", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling awak v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.21s
[INFO] running `Command { std: "docker" "inspect" "08eedcb55e2008eafd9c77682f3af23100810ccc1231fabc498096a1870c1946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eedcb55e2008eafd9c77682f3af23100810ccc1231fabc498096a1870c1946", kill_on_drop: false }`
[INFO] [stdout] 08eedcb55e2008eafd9c77682f3af23100810ccc1231fabc498096a1870c1946
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235f426c61eb5a0d384a1b7692be444eb3c8475364b9a586fc037911e4e98836
[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" "235f426c61eb5a0d384a1b7692be444eb3c8475364b9a586fc037911e4e98836", kill_on_drop: false }`
[INFO] [stderr]    Compiling awak v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Task` that must be used
[INFO] [stdout]   --> examples/tcp-listener.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | /                         awak::spawn(async move {
[INFO] [stdout] 15 | |                             loop {
[INFO] [stdout] 16 | |                                 awak::time::delay_for(std::time::Duration::from_secs(1)).await;
[INFO] [stdout] 17 | |                                 let _ = stream.write_all(b"helloworld").await;
[INFO] [stdout] 18 | |                             }
[INFO] [stdout] 19 | |                         });
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: tasks get canceled when dropped, use `.detach()` to run them in the background
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "235f426c61eb5a0d384a1b7692be444eb3c8475364b9a586fc037911e4e98836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235f426c61eb5a0d384a1b7692be444eb3c8475364b9a586fc037911e4e98836", kill_on_drop: false }`
[INFO] [stdout] 235f426c61eb5a0d384a1b7692be444eb3c8475364b9a586fc037911e4e98836
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45a5d28ef5e1f469a2fb0ed0982b140e87a408fd0699de7ad4185cc2c80dd3a0
[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" "45a5d28ef5e1f469a2fb0ed0982b140e87a408fd0699de7ad4185cc2c80dd3a0", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Task` that must be used
[INFO] [stderr]   --> examples/tcp-listener.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 | /                         awak::spawn(async move {
[INFO] [stderr] 15 | |                             loop {
[INFO] [stderr] 16 | |                                 awak::time::delay_for(std::time::Duration::from_secs(1)).await;
[INFO] [stderr] 17 | |                                 let _ = stream.write_all(b"helloworld").await;
[INFO] [stderr] 18 | |                             }
[INFO] [stderr] 19 | |                         });
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: tasks get canceled when dropped, use `.detach()` to run them in the background
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/awak-1192c98872fec70f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests awak
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45a5d28ef5e1f469a2fb0ed0982b140e87a408fd0699de7ad4185cc2c80dd3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a5d28ef5e1f469a2fb0ed0982b140e87a408fd0699de7ad4185cc2c80dd3a0", kill_on_drop: false }`
[INFO] [stdout] 45a5d28ef5e1f469a2fb0ed0982b140e87a408fd0699de7ad4185cc2c80dd3a0