[INFO] cloning repository https://github.com/Chethan-rao/channels_impl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chethan-rao/channels_impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChethan-rao%2Fchannels_impl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChethan-rao%2Fchannels_impl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00f180d4a85a79270385dad78c8de5dd555ca397
[INFO] building Chethan-rao/channels_impl against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChethan-rao%2Fchannels_impl" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chethan-rao/channels_impl on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chethan-rao/channels_impl
[INFO] finished tweaking git repo https://github.com/Chethan-rao/channels_impl
[INFO] tweaked toml for git repo https://github.com/Chethan-rao/channels_impl written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Chethan-rao/channels_impl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81788f44b8e8558175db7d6ab45dc678342ad54b82b8fd1dd31df54488ae7de4
[INFO] running `Command { std: "docker" "start" "-a" "81788f44b8e8558175db7d6ab45dc678342ad54b82b8fd1dd31df54488ae7de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81788f44b8e8558175db7d6ab45dc678342ad54b82b8fd1dd31df54488ae7de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81788f44b8e8558175db7d6ab45dc678342ad54b82b8fd1dd31df54488ae7de4", kill_on_drop: false }`
[INFO] [stdout] 81788f44b8e8558175db7d6ab45dc678342ad54b82b8fd1dd31df54488ae7de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9165294b19ed5c2843f3988651983523dc83f3958b1b3bcd069c397b4ef2b7a7
[INFO] running `Command { std: "docker" "start" "-a" "9165294b19ed5c2843f3988651983523dc83f3958b1b3bcd069c397b4ef2b7a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Sender` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Sender<T> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T> Sender<T> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 35 |     fn send(&self, data: T) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reciever` is never constructed
[INFO] [stdout]   --> src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Reciever<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `recv` is never used
[INFO] [stdout]   --> src/main.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T> Reciever<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 72 |     fn recv(&mut self) -> Option<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/main.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct Shared<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Inner<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]    --> src/main.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn channel<T>() -> (Sender<T>, Reciever<T>) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9165294b19ed5c2843f3988651983523dc83f3958b1b3bcd069c397b4ef2b7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9165294b19ed5c2843f3988651983523dc83f3958b1b3bcd069c397b4ef2b7a7", kill_on_drop: false }`
[INFO] [stdout] 9165294b19ed5c2843f3988651983523dc83f3958b1b3bcd069c397b4ef2b7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1ac5f4070eeb06d644c3ee018f4281d12726b51a3166fd6a9d70e3f80f1c121
[INFO] running `Command { std: "docker" "start" "-a" "c1ac5f4070eeb06d644c3ee018f4281d12726b51a3166fd6a9d70e3f80f1c121", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Sender` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Sender<T> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T> Sender<T> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 35 |     fn send(&self, data: T) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reciever` is never constructed
[INFO] [stdout]   --> src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Reciever<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `recv` is never used
[INFO] [stdout]   --> src/main.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T> Reciever<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 72 |     fn recv(&mut self) -> Option<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/main.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct Shared<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Inner<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]    --> src/main.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn channel<T>() -> (Sender<T>, Reciever<T>) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c1ac5f4070eeb06d644c3ee018f4281d12726b51a3166fd6a9d70e3f80f1c121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ac5f4070eeb06d644c3ee018f4281d12726b51a3166fd6a9d70e3f80f1c121", kill_on_drop: false }`
[INFO] [stdout] c1ac5f4070eeb06d644c3ee018f4281d12726b51a3166fd6a9d70e3f80f1c121
