[INFO] cloning repository https://github.com/salpalvv/observers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salpalvv/observers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalpalvv%2Fobservers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalpalvv%2Fobservers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4f7b37c3c1c29662396162f6feb6698de9b07f0
[INFO] testing salpalvv/observers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalpalvv%2Fobservers" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/salpalvv/observers 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 git repo https://github.com/salpalvv/observers
[INFO] finished tweaking git repo https://github.com/salpalvv/observers
[INFO] tweaked toml for git repo https://github.com/salpalvv/observers written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/salpalvv/observers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] aa026f325de84c2ed28965411f996252974c3544cb3483db8b209c95eaa28ab8
[INFO] running `Command { std: "docker" "start" "-a" "aa026f325de84c2ed28965411f996252974c3544cb3483db8b209c95eaa28ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa026f325de84c2ed28965411f996252974c3544cb3483db8b209c95eaa28ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa026f325de84c2ed28965411f996252974c3544cb3483db8b209c95eaa28ab8", kill_on_drop: false }`
[INFO] [stdout] aa026f325de84c2ed28965411f996252974c3544cb3483db8b209c95eaa28ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fc8cdd46df42b04b4e9ee37788c21937d2bf8c7362f5fd7dc1116b0970b1262e
[INFO] running `Command { std: "docker" "start" "-a" "fc8cdd46df42b04b4e9ee37788c21937d2bf8c7362f5fd7dc1116b0970b1262e", kill_on_drop: false }`
[INFO] [stderr]    Compiling observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]  --> src/subject.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::observer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]  --> src/traits.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::observer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "fc8cdd46df42b04b4e9ee37788c21937d2bf8c7362f5fd7dc1116b0970b1262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8cdd46df42b04b4e9ee37788c21937d2bf8c7362f5fd7dc1116b0970b1262e", kill_on_drop: false }`
[INFO] [stdout] fc8cdd46df42b04b4e9ee37788c21937d2bf8c7362f5fd7dc1116b0970b1262e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dd1d7ef1a4e7d0650e4aa544d051777362377c6dceab59cf7e983ce938aedb2c
[INFO] running `Command { std: "docker" "start" "-a" "dd1d7ef1a4e7d0650e4aa544d051777362377c6dceab59cf7e983ce938aedb2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]  --> src/subject.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::observer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]  --> src/traits.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::observer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/observer-265b7ea1336fcc9e)
[INFO] running `Command { std: "docker" "inspect" "dd1d7ef1a4e7d0650e4aa544d051777362377c6dceab59cf7e983ce938aedb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1d7ef1a4e7d0650e4aa544d051777362377c6dceab59cf7e983ce938aedb2c", kill_on_drop: false }`
[INFO] [stdout] dd1d7ef1a4e7d0650e4aa544d051777362377c6dceab59cf7e983ce938aedb2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 441f69e57b8587ff23457b76785e5ea6026b084843fd535f5c72826561f49e94
[INFO] running `Command { std: "docker" "start" "-a" "441f69e57b8587ff23457b76785e5ea6026b084843fd535f5c72826561f49e94", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:5
[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] 1 | use std::marker::PhantomData;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::observer::*`
[INFO] [stderr]  --> src/subject.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::observer::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::observer::*`
[INFO] [stderr]  --> src/traits.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::observer::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `observer` (bin "observer" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/observer-265b7ea1336fcc9e)
[INFO] running `Command { std: "docker" "inspect" "441f69e57b8587ff23457b76785e5ea6026b084843fd535f5c72826561f49e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441f69e57b8587ff23457b76785e5ea6026b084843fd535f5c72826561f49e94", kill_on_drop: false }`
[INFO] [stdout] 441f69e57b8587ff23457b76785e5ea6026b084843fd535f5c72826561f49e94