[INFO] fetching crate channels 0.13.0...
[INFO] testing channels-0.13.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate channels 0.13.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate channels 0.13.0
[INFO] finished tweaking crates.io crate channels 0.13.0
[INFO] tweaked toml for crates.io crate channels 0.13.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate channels 0.13.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded channels-serdes v0.2.1
[INFO] [stderr]   Downloaded channels-macros v0.1.0
[INFO] [stderr]   Downloaded channels-packet v0.2.0
[INFO] [stderr]   Downloaded channels-io v0.3.0
[INFO] [stderr]   Downloaded smol v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3fddde2d5d880b2a22b46d66c7dd3da7b38887dece1193557c6558b097fa170
[INFO] running `Command { std: "docker" "start" "-a" "f3fddde2d5d880b2a22b46d66c7dd3da7b38887dece1193557c6558b097fa170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3fddde2d5d880b2a22b46d66c7dd3da7b38887dece1193557c6558b097fa170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fddde2d5d880b2a22b46d66c7dd3da7b38887dece1193557c6558b097fa170", kill_on_drop: false }`
[INFO] [stdout] f3fddde2d5d880b2a22b46d66c7dd3da7b38887dece1193557c6558b097fa170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 388aab2ae3dc453d9fd390dd737bc94661a7ac92109bf14d1dac105fac55d3e6
[INFO] running `Command { std: "docker" "start" "-a" "388aab2ae3dc453d9fd390dd737bc94661a7ac92109bf14d1dac105fac55d3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling channels-io v0.3.0
[INFO] [stderr]    Compiling channels-macros v0.1.0
[INFO] [stderr]    Compiling channels-packet v0.2.0
[INFO] [stderr]    Compiling channels v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling channels-serdes v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/receiver/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/sender/mod.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "388aab2ae3dc453d9fd390dd737bc94661a7ac92109bf14d1dac105fac55d3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388aab2ae3dc453d9fd390dd737bc94661a7ac92109bf14d1dac105fac55d3e6", kill_on_drop: false }`
[INFO] [stdout] 388aab2ae3dc453d9fd390dd737bc94661a7ac92109bf14d1dac105fac55d3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b94dec2d5f7012bbe6f27d1eab807cf7a458353dda0e7d7e351e964d3f1b5b4a
[INFO] running `Command { std: "docker" "start" "-a" "b94dec2d5f7012bbe6f27d1eab807cf7a458353dda0e7d7e351e964d3f1b5b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling channels-io v0.3.0
[INFO] [stderr]    Compiling channels-packet v0.2.0
[INFO] [stderr]    Compiling channels v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/receiver/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/sender/mod.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/receiver/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Statistics`
[INFO] [stdout]   --> src/sender/mod.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::statistics::{StatIO, Statistics};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "b94dec2d5f7012bbe6f27d1eab807cf7a458353dda0e7d7e351e964d3f1b5b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94dec2d5f7012bbe6f27d1eab807cf7a458353dda0e7d7e351e964d3f1b5b4a", kill_on_drop: false }`
[INFO] [stdout] b94dec2d5f7012bbe6f27d1eab807cf7a458353dda0e7d7e351e964d3f1b5b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 48b1675743aa6b689adfb4973e4da79f9ce638ae055ace42a5b65f76184b1bb2
[INFO] running `Command { std: "docker" "start" "-a" "48b1675743aa6b689adfb4973e4da79f9ce638ae055ace42a5b65f76184b1bb2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Statistics`
[INFO] [stderr]   --> src/receiver/mod.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::statistics::{StatIO, Statistics};
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Statistics`
[INFO] [stderr]   --> src/sender/mod.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::statistics::{StatIO, Statistics};
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `channels` (lib) generated 2 warnings (run `cargo fix --lib -p channels` to apply 2 suggestions)
[INFO] [stderr] warning: `channels` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/channels-6a473b2e8c10a6f9)
[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" "48b1675743aa6b689adfb4973e4da79f9ce638ae055ace42a5b65f76184b1bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b1675743aa6b689adfb4973e4da79f9ce638ae055ace42a5b65f76184b1bb2", kill_on_drop: false }`
[INFO] [stdout] 48b1675743aa6b689adfb4973e4da79f9ce638ae055ace42a5b65f76184b1bb2