[INFO] updating cached repository https://github.com/jeromefroe/echo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a906a440f3edc24b95f0f257b2f66377c8a6dcb
[INFO] testing jeromefroe/echo-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fecho-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeromefroe/echo-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeromefroe/echo-rs
[INFO] finished tweaking git repo https://github.com/jeromefroe/echo-rs
[INFO] tweaked toml for git repo https://github.com/jeromefroe/echo-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jeromefroe/echo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c2813157f52c9be2e6ebdc2c5bb2d37621a6a6b80d0d7ec4c9ab73872d962e
[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" "44c2813157f52c9be2e6ebdc2c5bb2d37621a6a6b80d0d7ec4c9ab73872d962e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c2813157f52c9be2e6ebdc2c5bb2d37621a6a6b80d0d7ec4c9ab73872d962e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c2813157f52c9be2e6ebdc2c5bb2d37621a6a6b80d0d7ec4c9ab73872d962e", kill_on_drop: false }`
[INFO] [stdout] 44c2813157f52c9be2e6ebdc2c5bb2d37621a6a6b80d0d7ec4c9ab73872d962e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 8c3c2c4af6d20cd5a18c439d9a6a754909eddeb779e57b9b6c30f95384454009
[INFO] running `Command { std: "docker" "start" "-a" "8c3c2c4af6d20cd5a18c439d9a6a754909eddeb779e57b9b6c30f95384454009", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling openssl v0.8.3
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling futures v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling openssl-verify v0.2.0
[INFO] [stderr]    Compiling mio v0.6.0
[INFO] [stderr]    Compiling tokio-core v0.1.0
[INFO] [stderr]    Compiling tokio-tls v0.1.0 (https://github.com/tokio-rs/tokio-tls#3d49e52e)
[INFO] [stderr]    Compiling echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Evented`
[INFO] [stdout]  --> src/bin/echo_mio.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::{Token, Ready, Events, Poll, PollOpt, Evented};
[INFO] [stdout]   |                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/bin/echo_mio.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buf: [u8; 512],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/echo_mio.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |                         poll.deregister(&conn.handle);
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.48s
[INFO] running `Command { std: "docker" "inspect" "8c3c2c4af6d20cd5a18c439d9a6a754909eddeb779e57b9b6c30f95384454009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3c2c4af6d20cd5a18c439d9a6a754909eddeb779e57b9b6c30f95384454009", kill_on_drop: false }`
[INFO] [stdout] 8c3c2c4af6d20cd5a18c439d9a6a754909eddeb779e57b9b6c30f95384454009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 45018fbe72ef68ba454a8de0e2191e731d32ff5f49696b1473ceb2dc0f51265b
[INFO] running `Command { std: "docker" "start" "-a" "45018fbe72ef68ba454a8de0e2191e731d32ff5f49696b1473ceb2dc0f51265b", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Evented`
[INFO] [stdout]  --> src/bin/echo_mio.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::{Token, Ready, Events, Poll, PollOpt, Evented};
[INFO] [stdout]   |                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/bin/echo_mio.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buf: [u8; 512],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/echo_mio.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |                         poll.deregister(&conn.handle);
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "45018fbe72ef68ba454a8de0e2191e731d32ff5f49696b1473ceb2dc0f51265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45018fbe72ef68ba454a8de0e2191e731d32ff5f49696b1473ceb2dc0f51265b", kill_on_drop: false }`
[INFO] [stdout] 45018fbe72ef68ba454a8de0e2191e731d32ff5f49696b1473ceb2dc0f51265b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 786a5c822d6630465c367475c4378191ea9a17056048a0d82bdd96be7363be18
[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" "786a5c822d6630465c367475c4378191ea9a17056048a0d82bdd96be7363be18", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Evented`
[INFO] [stderr]  --> src/bin/echo_mio.rs:6:48
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mio::{Token, Ready, Events, Poll, PollOpt, Evented};
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]   --> src/bin/echo_mio.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     buf: [u8; 512],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/echo_mio.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         poll.deregister(&conn.handle);
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/echo_futures-d89d29a323e71d43
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/echo_mio-2e2d8a13e94c1963
[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/echo_threaded-7834822617a6d4f7
[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] running `Command { std: "docker" "inspect" "786a5c822d6630465c367475c4378191ea9a17056048a0d82bdd96be7363be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786a5c822d6630465c367475c4378191ea9a17056048a0d82bdd96be7363be18", kill_on_drop: false }`
[INFO] [stdout] 786a5c822d6630465c367475c4378191ea9a17056048a0d82bdd96be7363be18