[INFO] fetching crate cranelift-preopt 0.68.0...
[INFO] testing cranelift-preopt-0.68.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cranelift-preopt 0.68.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cranelift-preopt 0.68.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cranelift-preopt 0.68.0
[INFO] finished tweaking crates.io crate cranelift-preopt 0.68.0
[INFO] tweaked toml for crates.io crate cranelift-preopt 0.68.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 22b143a7e0c4df25eefd5433b25c30080fd24264172fe4b8d25ac6eb961f9c96
[INFO] running `Command { std: "docker" "start" "-a" "22b143a7e0c4df25eefd5433b25c30080fd24264172fe4b8d25ac6eb961f9c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b143a7e0c4df25eefd5433b25c30080fd24264172fe4b8d25ac6eb961f9c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b143a7e0c4df25eefd5433b25c30080fd24264172fe4b8d25ac6eb961f9c96", kill_on_drop: false }`
[INFO] [stdout] 22b143a7e0c4df25eefd5433b25c30080fd24264172fe4b8d25ac6eb961f9c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 72efddd3ff9d91474ab2064d8df548743ae64ae10d41fc3f15337bd3b2a33364
[INFO] running `Command { std: "docker" "start" "-a" "72efddd3ff9d91474ab2064d8df548743ae64ae10d41fc3f15337bd3b2a33364", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling cranelift-bforest v0.68.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]    Compiling cranelift-preopt v0.68.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "72efddd3ff9d91474ab2064d8df548743ae64ae10d41fc3f15337bd3b2a33364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72efddd3ff9d91474ab2064d8df548743ae64ae10d41fc3f15337bd3b2a33364", kill_on_drop: false }`
[INFO] [stdout] 72efddd3ff9d91474ab2064d8df548743ae64ae10d41fc3f15337bd3b2a33364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdaa7850c5e8232623cfd8bc2082b5fc4e12022b6c41e5c375d1af119df6bf64
[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" "cdaa7850c5e8232623cfd8bc2082b5fc4e12022b6c41e5c375d1af119df6bf64", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-preopt v0.68.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "cdaa7850c5e8232623cfd8bc2082b5fc4e12022b6c41e5c375d1af119df6bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdaa7850c5e8232623cfd8bc2082b5fc4e12022b6c41e5c375d1af119df6bf64", kill_on_drop: false }`
[INFO] [stdout] cdaa7850c5e8232623cfd8bc2082b5fc4e12022b6c41e5c375d1af119df6bf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83d666ea6da3ca5ac62f983c690194314d933779d8ddb8ce228f4f793c37a3ac
[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" "83d666ea6da3ca5ac62f983c690194314d933779d8ddb8ce228f4f793c37a3ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cranelift_preopt-f9b0be52d9d016fd
[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] [stderr]    Doc-tests cranelift-preopt
[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" "83d666ea6da3ca5ac62f983c690194314d933779d8ddb8ce228f4f793c37a3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d666ea6da3ca5ac62f983c690194314d933779d8ddb8ce228f4f793c37a3ac", kill_on_drop: false }`
[INFO] [stdout] 83d666ea6da3ca5ac62f983c690194314d933779d8ddb8ce228f4f793c37a3ac