[INFO] cloning 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" "clone" "--bare" "https://github.com/jeromefroe/echo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fecho-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fecho-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a906a440f3edc24b95f0f257b2f66377c8a6dcb
[INFO] testing jeromefroe/echo-rs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fecho-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeromefroe/echo-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-tls`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded openssl-sys v0.7.17
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded pkg-config v0.3.8
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded openssl v0.8.3
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.6
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.2
[INFO] [stderr]   Downloaded futures v0.1.3
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded tokio-core v0.1.0
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded gdi32-sys v0.2.0
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.10
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded security-framework-sys v0.1.8
[INFO] [stderr]   Downloaded core-foundation v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded openssl-verify v0.2.0
[INFO] [stderr]   Downloaded lazy_static v0.2.1
[INFO] [stderr]   Downloaded schannel v0.1.0
[INFO] [stderr]   Downloaded security-framework v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb584d2eb1938135a6bdc4544eeb5b08b172daefa9948300791e0e82d73a68cf
[INFO] running `Command { std: "docker" "start" "-a" "cb584d2eb1938135a6bdc4544eeb5b08b172daefa9948300791e0e82d73a68cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb584d2eb1938135a6bdc4544eeb5b08b172daefa9948300791e0e82d73a68cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb584d2eb1938135a6bdc4544eeb5b08b172daefa9948300791e0e82d73a68cf", kill_on_drop: false }`
[INFO] [stdout] cb584d2eb1938135a6bdc4544eeb5b08b172daefa9948300791e0e82d73a68cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae855e634092aa9c7b825ccfc5c188dfbc023f295a9e1054ecfe6ba38edd3737
[INFO] running `Command { std: "docker" "start" "-a" "ae855e634092aa9c7b825ccfc5c188dfbc023f295a9e1054ecfe6ba38edd3737", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling openssl v0.8.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[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 openssl-sys v0.7.17
[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 `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 7.39s
[INFO] running `Command { std: "docker" "inspect" "ae855e634092aa9c7b825ccfc5c188dfbc023f295a9e1054ecfe6ba38edd3737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae855e634092aa9c7b825ccfc5c188dfbc023f295a9e1054ecfe6ba38edd3737", kill_on_drop: false }`
[INFO] [stdout] ae855e634092aa9c7b825ccfc5c188dfbc023f295a9e1054ecfe6ba38edd3737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7b1e443ceda55b5b5b1522a5e73cea0712d599206a7196b23077b546a8a2f0
[INFO] running `Command { std: "docker" "start" "-a" "ed7b1e443ceda55b5b5b1522a5e73cea0712d599206a7196b23077b546a8a2f0", 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 `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 0.47s
[INFO] running `Command { std: "docker" "inspect" "ed7b1e443ceda55b5b5b1522a5e73cea0712d599206a7196b23077b546a8a2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7b1e443ceda55b5b5b1522a5e73cea0712d599206a7196b23077b546a8a2f0", kill_on_drop: false }`
[INFO] [stdout] ed7b1e443ceda55b5b5b1522a5e73cea0712d599206a7196b23077b546a8a2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 484b0bab84e3e0c4e0f64bf5220a1f884ed924a259f3fd50495201e280e2fb8d
[INFO] running `Command { std: "docker" "start" "-a" "484b0bab84e3e0c4e0f64bf5220a1f884ed924a259f3fd50495201e280e2fb8d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Evented`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/bin/echo_mio.rs:6:48
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 | use mio::{Token, Ready, Events, Poll, PollOpt, Evented};
[INFO] [stdout] 
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stdout] 
[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 `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: `echo-rs` (bin "echo_mio" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_futures-507d84b72c5e97b7)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_mio-abb9c3b5191ba43c)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_threaded-eca4839bde7d4c07)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "484b0bab84e3e0c4e0f64bf5220a1f884ed924a259f3fd50495201e280e2fb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484b0bab84e3e0c4e0f64bf5220a1f884ed924a259f3fd50495201e280e2fb8d", kill_on_drop: false }`
[INFO] [stdout] 484b0bab84e3e0c4e0f64bf5220a1f884ed924a259f3fd50495201e280e2fb8d