[INFO] fetching crate r50 0.14.1...
[INFO] testing r50-0.14.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate r50 0.14.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate r50 0.14.1 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 r50 0.14.1
[INFO] finished tweaking crates.io crate r50 0.14.1
[INFO] tweaked toml for crates.io crate r50 0.14.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate r50 0.14.1 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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 84800879ddb686fc941795d4ec72ada1c72ca3b75c91a4bfdcccd9ac77ad4170
[INFO] running `Command { std: "docker" "start" "-a" "84800879ddb686fc941795d4ec72ada1c72ca3b75c91a4bfdcccd9ac77ad4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84800879ddb686fc941795d4ec72ada1c72ca3b75c91a4bfdcccd9ac77ad4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84800879ddb686fc941795d4ec72ada1c72ca3b75c91a4bfdcccd9ac77ad4170", kill_on_drop: false }`
[INFO] [stdout] 84800879ddb686fc941795d4ec72ada1c72ca3b75c91a4bfdcccd9ac77ad4170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] e92c885357b9aa4dc70f4296880dea93b2f97eda77028cfac9650d8cb15e3545
[INFO] running `Command { std: "docker" "start" "-a" "e92c885357b9aa4dc70f4296880dea93b2f97eda77028cfac9650d8cb15e3545", kill_on_drop: false }`
[INFO] [stderr]    Compiling dia-args v0.54.0
[INFO] [stderr]    Compiling r50 v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "e92c885357b9aa4dc70f4296880dea93b2f97eda77028cfac9650d8cb15e3545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92c885357b9aa4dc70f4296880dea93b2f97eda77028cfac9650d8cb15e3545", kill_on_drop: false }`
[INFO] [stdout] e92c885357b9aa4dc70f4296880dea93b2f97eda77028cfac9650d8cb15e3545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] ffd1d60bfe134db1bc70ab9d3f7f5fefe53b268439ad66145810d0e9289e8c62
[INFO] running `Command { std: "docker" "start" "-a" "ffd1d60bfe134db1bc70ab9d3f7f5fefe53b268439ad66145810d0e9289e8c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling udsx v0.9.0
[INFO] [stderr]    Compiling r50 v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/r50-5894f920dab73925)
[INFO] running `Command { std: "docker" "inspect" "ffd1d60bfe134db1bc70ab9d3f7f5fefe53b268439ad66145810d0e9289e8c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd1d60bfe134db1bc70ab9d3f7f5fefe53b268439ad66145810d0e9289e8c62", kill_on_drop: false }`
[INFO] [stdout] ffd1d60bfe134db1bc70ab9d3f7f5fefe53b268439ad66145810d0e9289e8c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 969c261f84304ff23626cde3f6bb81319e6f6e9b5ea71a9516af87fa8670161a
[INFO] running `Command { std: "docker" "start" "-a" "969c261f84304ff23626cde3f6bb81319e6f6e9b5ea71a9516af87fa8670161a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r50-5894f920dab73925)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r50
[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" "969c261f84304ff23626cde3f6bb81319e6f6e9b5ea71a9516af87fa8670161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969c261f84304ff23626cde3f6bb81319e6f6e9b5ea71a9516af87fa8670161a", kill_on_drop: false }`
[INFO] [stdout] 969c261f84304ff23626cde3f6bb81319e6f6e9b5ea71a9516af87fa8670161a