[INFO] fetching crate libselect 0.2.0...
[INFO] testing libselect-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate libselect 0.2.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate libselect 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libselect 0.2.0
[INFO] finished tweaking crates.io crate libselect 0.2.0
[INFO] tweaked toml for crates.io crate libselect 0.2.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ebacktrace v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4eeddf7e87e976593d6790c493a8c6ff6705de1a85184ca8cfc118f07964ed
[INFO] running `Command { std: "docker" "start" "-a" "7f4eeddf7e87e976593d6790c493a8c6ff6705de1a85184ca8cfc118f07964ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4eeddf7e87e976593d6790c493a8c6ff6705de1a85184ca8cfc118f07964ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4eeddf7e87e976593d6790c493a8c6ff6705de1a85184ca8cfc118f07964ed", kill_on_drop: false }`
[INFO] [stdout] 7f4eeddf7e87e976593d6790c493a8c6ff6705de1a85184ca8cfc118f07964ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 496d41d4133a62a8d93b783a1c2d74449a9dbc5ae129dcf8255734d0dce0acd1
[INFO] running `Command { std: "docker" "start" "-a" "496d41d4133a62a8d93b783a1c2d74449a9dbc5ae129dcf8255734d0dce0acd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libselect v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling ebacktrace v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "496d41d4133a62a8d93b783a1c2d74449a9dbc5ae129dcf8255734d0dce0acd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496d41d4133a62a8d93b783a1c2d74449a9dbc5ae129dcf8255734d0dce0acd1", kill_on_drop: false }`
[INFO] [stdout] 496d41d4133a62a8d93b783a1c2d74449a9dbc5ae129dcf8255734d0dce0acd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd103c01a7a49bd8b442d3c8b07bb64c40d7d18d616a2001742234383cb37c7
[INFO] running `Command { std: "docker" "start" "-a" "4cd103c01a7a49bd8b442d3c8b07bb64c40d7d18d616a2001742234383cb37c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libselect v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "4cd103c01a7a49bd8b442d3c8b07bb64c40d7d18d616a2001742234383cb37c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd103c01a7a49bd8b442d3c8b07bb64c40d7d18d616a2001742234383cb37c7", kill_on_drop: false }`
[INFO] [stdout] 4cd103c01a7a49bd8b442d3c8b07bb64c40d7d18d616a2001742234383cb37c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5362625085d28181a9fbacffe58a8e2e1ffd4b4e4bc9a7cb01b5351cee7368b0
[INFO] running `Command { std: "docker" "start" "-a" "5362625085d28181a9fbacffe58a8e2e1ffd4b4e4bc9a7cb01b5351cee7368b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libselect-238d2ac844e39f5f)
[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] [stderr]      Running tests/socket.rs (/opt/rustwide/target/debug/deps/socket-5cbc196e3378a4ee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libselect
[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" "5362625085d28181a9fbacffe58a8e2e1ffd4b4e4bc9a7cb01b5351cee7368b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5362625085d28181a9fbacffe58a8e2e1ffd4b4e4bc9a7cb01b5351cee7368b0", kill_on_drop: false }`
[INFO] [stdout] 5362625085d28181a9fbacffe58a8e2e1ffd4b4e4bc9a7cb01b5351cee7368b0