[INFO] fetching crate r1 0.6.4...
[INFO] testing r1-0.6.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate r1 0.6.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate r1 0.6.4 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 r1 0.6.4
[INFO] finished tweaking crates.io crate r1 0.6.4
[INFO] tweaked toml for crates.io crate r1 0.6.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate r1 0.6.4 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46e32ae6309e95cef2ecc2ea142939cad4ed3b3940229a7d1ad0619b9625dc2e
[INFO] running `Command { std: "docker" "start" "-a" "46e32ae6309e95cef2ecc2ea142939cad4ed3b3940229a7d1ad0619b9625dc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e32ae6309e95cef2ecc2ea142939cad4ed3b3940229a7d1ad0619b9625dc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e32ae6309e95cef2ecc2ea142939cad4ed3b3940229a7d1ad0619b9625dc2e", kill_on_drop: false }`
[INFO] [stdout] 46e32ae6309e95cef2ecc2ea142939cad4ed3b3940229a7d1ad0619b9625dc2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2d6596b62830b90f0f90c8443edf888dbbbb1c2e86cf179f066f702cfc23587
[INFO] running `Command { std: "docker" "start" "-a" "d2d6596b62830b90f0f90c8443edf888dbbbb1c2e86cf179f066f702cfc23587", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1 v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "d2d6596b62830b90f0f90c8443edf888dbbbb1c2e86cf179f066f702cfc23587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d6596b62830b90f0f90c8443edf888dbbbb1c2e86cf179f066f702cfc23587", kill_on_drop: false }`
[INFO] [stdout] d2d6596b62830b90f0f90c8443edf888dbbbb1c2e86cf179f066f702cfc23587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab65040a6069102d0e8c00104b4d6ad1ab09fb9d55c5c9e8aa5f120bc229a17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bab65040a6069102d0e8c00104b4d6ad1ab09fb9d55c5c9e8aa5f120bc229a17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling r1 v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/r1-7be23c688d6022d0)
[INFO] running `Command { std: "docker" "inspect" "bab65040a6069102d0e8c00104b4d6ad1ab09fb9d55c5c9e8aa5f120bc229a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab65040a6069102d0e8c00104b4d6ad1ab09fb9d55c5c9e8aa5f120bc229a17", kill_on_drop: false }`
[INFO] [stdout] bab65040a6069102d0e8c00104b4d6ad1ab09fb9d55c5c9e8aa5f120bc229a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 520eeed592136ba3049be5bfc63f830299794538dbeb6f4ed09b434a1aa9b9a5
[INFO] running `Command { std: "docker" "start" "-a" "520eeed592136ba3049be5bfc63f830299794538dbeb6f4ed09b434a1aa9b9a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r1-7be23c688d6022d0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r1
[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" "520eeed592136ba3049be5bfc63f830299794538dbeb6f4ed09b434a1aa9b9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520eeed592136ba3049be5bfc63f830299794538dbeb6f4ed09b434a1aa9b9a5", kill_on_drop: false }`
[INFO] [stdout] 520eeed592136ba3049be5bfc63f830299794538dbeb6f4ed09b434a1aa9b9a5