[INFO] fetching crate channel-server 0.1.0...
[INFO] testing channel-server-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate channel-server 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate channel-server 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate channel-server 0.1.0
[INFO] finished tweaking crates.io crate channel-server 0.1.0
[INFO] tweaked toml for crates.io crate channel-server 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a3d6e3691f887f5039573d31aaf8c5c194fa9eff54e40d43b6743cb4a77aebc
[INFO] running `Command { std: "docker" "start" "-a" "7a3d6e3691f887f5039573d31aaf8c5c194fa9eff54e40d43b6743cb4a77aebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a3d6e3691f887f5039573d31aaf8c5c194fa9eff54e40d43b6743cb4a77aebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3d6e3691f887f5039573d31aaf8c5c194fa9eff54e40d43b6743cb4a77aebc", kill_on_drop: false }`
[INFO] [stdout] 7a3d6e3691f887f5039573d31aaf8c5c194fa9eff54e40d43b6743cb4a77aebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0755a40650f289e025579db94b610587a49f07476781ceeccc47ed4b414516c0
[INFO] running `Command { std: "docker" "start" "-a" "0755a40650f289e025579db94b610587a49f07476781ceeccc47ed4b414516c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling channel-server-derive v0.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling channel-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.94s
[INFO] running `Command { std: "docker" "inspect" "0755a40650f289e025579db94b610587a49f07476781ceeccc47ed4b414516c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0755a40650f289e025579db94b610587a49f07476781ceeccc47ed4b414516c0", kill_on_drop: false }`
[INFO] [stdout] 0755a40650f289e025579db94b610587a49f07476781ceeccc47ed4b414516c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f914c7a15aff409b6f2a7e68c01bf63cdcf5018487c4ba7aec57442c30dcaf3f
[INFO] running `Command { std: "docker" "start" "-a" "f914c7a15aff409b6f2a7e68c01bf63cdcf5018487c4ba7aec57442c30dcaf3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling channel-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.03s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/channel_server-0e73ead8be45bc16)
[INFO] [stderr]   Executable tests/basic.rs (/opt/rustwide/target/debug/deps/basic-ddec25432089b6a3)
[INFO] running `Command { std: "docker" "inspect" "f914c7a15aff409b6f2a7e68c01bf63cdcf5018487c4ba7aec57442c30dcaf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f914c7a15aff409b6f2a7e68c01bf63cdcf5018487c4ba7aec57442c30dcaf3f", kill_on_drop: false }`
[INFO] [stdout] f914c7a15aff409b6f2a7e68c01bf63cdcf5018487c4ba7aec57442c30dcaf3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18e88fc50e934afb5bcfe0162a5c868478a07b46357f2334094fc21672fbfe1e
[INFO] running `Command { std: "docker" "start" "-a" "18e88fc50e934afb5bcfe0162a5c868478a07b46357f2334094fc21672fbfe1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/channel_server-0e73ead8be45bc16)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-ddec25432089b6a3)
[INFO] [stdout] test extensions::tests::test_clear ... ok
[INFO] [stdout] test extensions::tests::test_composition ... ok
[INFO] [stdout] test extensions::tests::test_extend ... ok
[INFO] [stdout] test extensions::tests::test_extensions ... ok
[INFO] [stdout] test extensions::tests::test_integers ... ok
[INFO] [stdout] test extensions::tests::test_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests channel-server
[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" "18e88fc50e934afb5bcfe0162a5c868478a07b46357f2334094fc21672fbfe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e88fc50e934afb5bcfe0162a5c868478a07b46357f2334094fc21672fbfe1e", kill_on_drop: false }`
[INFO] [stdout] 18e88fc50e934afb5bcfe0162a5c868478a07b46357f2334094fc21672fbfe1e