[INFO] cloning repository https://github.com/AlexanderChen1989/together
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderChen1989/together" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Ftogether", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Ftogether'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80f6c10d174e2ec86451655ef66b7fb74f3408f0
[INFO] testing AlexanderChen1989/together against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Ftogether" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexanderChen1989/together 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 git repo https://github.com/AlexanderChen1989/together
[INFO] finished tweaking git repo https://github.com/AlexanderChen1989/together
[INFO] tweaked toml for git repo https://github.com/AlexanderChen1989/together written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexanderChen1989/together 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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0ed64494c19954aa3bf65bb89a3dc57640ca58a356b48cf89dbb9ff54155ea
[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" "4f0ed64494c19954aa3bf65bb89a3dc57640ca58a356b48cf89dbb9ff54155ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0ed64494c19954aa3bf65bb89a3dc57640ca58a356b48cf89dbb9ff54155ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0ed64494c19954aa3bf65bb89a3dc57640ca58a356b48cf89dbb9ff54155ea", kill_on_drop: false }`
[INFO] [stdout] 4f0ed64494c19954aa3bf65bb89a3dc57640ca58a356b48cf89dbb9ff54155ea
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd972f8823302e3d601a20afc5e867ac1d512cc7b7702afff2a6f43e00c86cc
[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" "2bd972f8823302e3d601a20afc5e867ac1d512cc7b7702afff2a6f43e00c86cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling together v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/channel.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/channel.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/channel.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     thread::sleep_ms(1000000);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             ttx.send(Msg::S(String::from("Hello")));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     p.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     c.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "2bd972f8823302e3d601a20afc5e867ac1d512cc7b7702afff2a6f43e00c86cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd972f8823302e3d601a20afc5e867ac1d512cc7b7702afff2a6f43e00c86cc", kill_on_drop: false }`
[INFO] [stdout] 2bd972f8823302e3d601a20afc5e867ac1d512cc7b7702afff2a6f43e00c86cc
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ab03f7b8f700ddb927c57cc80bc4af714d875436e58f58a1ed5c75ff539c44
[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" "70ab03f7b8f700ddb927c57cc80bc4af714d875436e58f58a1ed5c75ff539c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling together v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/channel.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/channel.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/channel.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     thread::sleep_ms(1000000);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             ttx.send(Msg::S(String::from("Hello")));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     p.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     c.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "70ab03f7b8f700ddb927c57cc80bc4af714d875436e58f58a1ed5c75ff539c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ab03f7b8f700ddb927c57cc80bc4af714d875436e58f58a1ed5c75ff539c44", kill_on_drop: false }`
[INFO] [stdout] 70ab03f7b8f700ddb927c57cc80bc4af714d875436e58f58a1ed5c75ff539c44
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 199efe1fbfd32a71853ec5464212500d7fa17a60d98c70d18daf4892d2878d3d
[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" "199efe1fbfd32a71853ec5464212500d7fa17a60d98c70d18daf4892d2878d3d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             thread::sleep_ms(1000);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             ttx.send(Msg::S(String::from("Hello")));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     p.join();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     c.join();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/channel.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/channel.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             thread::sleep_ms(1000);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/channel.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     thread::sleep_ms(1000000);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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] [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] [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] [stderr]      Running /opt/rustwide/target/debug/deps/channel-c58d552cdf51b871
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn-3a65cda48bf9997f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-cd3d2f234263a4ac
[INFO] running `Command { std: "docker" "inspect" "199efe1fbfd32a71853ec5464212500d7fa17a60d98c70d18daf4892d2878d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199efe1fbfd32a71853ec5464212500d7fa17a60d98c70d18daf4892d2878d3d", kill_on_drop: false }`
[INFO] [stdout] 199efe1fbfd32a71853ec5464212500d7fa17a60d98c70d18daf4892d2878d3d