[INFO] fetching crate guardian 1.3.0...
[INFO] testing guardian-1.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate guardian 1.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate guardian 1.3.0
[INFO] finished tweaking crates.io crate guardian 1.3.0
[INFO] tweaked toml for crates.io crate guardian 1.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate guardian 1.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate guardian 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fa35f58c58dc8b905f9d198ac7eb86d5393eafcfea527e48cf521d52c01ca56
[INFO] running `Command { std: "docker" "start" "-a" "7fa35f58c58dc8b905f9d198ac7eb86d5393eafcfea527e48cf521d52c01ca56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa35f58c58dc8b905f9d198ac7eb86d5393eafcfea527e48cf521d52c01ca56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa35f58c58dc8b905f9d198ac7eb86d5393eafcfea527e48cf521d52c01ca56", kill_on_drop: false }`
[INFO] [stdout] 7fa35f58c58dc8b905f9d198ac7eb86d5393eafcfea527e48cf521d52c01ca56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418d5b47532c0270c6611de228984c21e32d1226a27664b7d26036cae68d3d19
[INFO] running `Command { std: "docker" "start" "-a" "418d5b47532c0270c6611de228984c21e32d1226a27664b7d26036cae68d3d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling guardian v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "418d5b47532c0270c6611de228984c21e32d1226a27664b7d26036cae68d3d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418d5b47532c0270c6611de228984c21e32d1226a27664b7d26036cae68d3d19", kill_on_drop: false }`
[INFO] [stdout] 418d5b47532c0270c6611de228984c21e32d1226a27664b7d26036cae68d3d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db211858d86569283f5f1cdea92df51b25a24ee98d599f5bfc468dcb514bf72
[INFO] running `Command { std: "docker" "start" "-a" "5db211858d86569283f5f1cdea92df51b25a24ee98d599f5bfc468dcb514bf72", kill_on_drop: false }`
[INFO] [stderr]    Compiling guardian v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "5db211858d86569283f5f1cdea92df51b25a24ee98d599f5bfc468dcb514bf72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db211858d86569283f5f1cdea92df51b25a24ee98d599f5bfc468dcb514bf72", kill_on_drop: false }`
[INFO] [stdout] 5db211858d86569283f5f1cdea92df51b25a24ee98d599f5bfc468dcb514bf72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22f48bfbce80b85e0f7aa5ba0b3e1f444ef0959a01b38a729d91467181a072d2
[INFO] running `Command { std: "docker" "start" "-a" "22f48bfbce80b85e0f7aa5ba0b3e1f444ef0959a01b38a729d91467181a072d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/guardian-48aea59c479bcfdf)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::arc_mu_try ... ok
[INFO] [stdout] test tests::arc_rw_read ... ok
[INFO] [stdout] test tests::arc_rw_try ... ok
[INFO] [stdout] test tests::arc_rw_write ... ok
[INFO] [stdout] test tests::arc_mu ... ok
[INFO] [stdout] test tests::rc_rw_read ... ok
[INFO] [stdout] test tests::rc_rw_write ... ok
[INFO] [stdout] test tests::rc_rw_try ... ok
[INFO] [stdout] test tests::rc_mu ... ok
[INFO] [stderr]    Doc-tests guardian
[INFO] [stdout] test tests::rc_mu_try ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "22f48bfbce80b85e0f7aa5ba0b3e1f444ef0959a01b38a729d91467181a072d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f48bfbce80b85e0f7aa5ba0b3e1f444ef0959a01b38a729d91467181a072d2", kill_on_drop: false }`
[INFO] [stdout] 22f48bfbce80b85e0f7aa5ba0b3e1f444ef0959a01b38a729d91467181a072d2