[INFO] fetching crate aliasable_deref_trait 0.2.1...
[INFO] testing aliasable_deref_trait-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate aliasable_deref_trait 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aliasable_deref_trait 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aliasable_deref_trait 0.2.1
[INFO] finished tweaking crates.io crate aliasable_deref_trait 0.2.1
[INFO] tweaked toml for crates.io crate aliasable_deref_trait 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "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] 294493c0c923218bc7dfd1f83bd4838dd89d9b9f4cd91faa14558edac908b97b
[INFO] running `Command { std: "docker" "start" "-a" "294493c0c923218bc7dfd1f83bd4838dd89d9b9f4cd91faa14558edac908b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294493c0c923218bc7dfd1f83bd4838dd89d9b9f4cd91faa14558edac908b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294493c0c923218bc7dfd1f83bd4838dd89d9b9f4cd91faa14558edac908b97b", kill_on_drop: false }`
[INFO] [stdout] 294493c0c923218bc7dfd1f83bd4838dd89d9b9f4cd91faa14558edac908b97b
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b19818ce404f96ad8940db35677e82f38e89f9d9a02b1e9fd5014d0fc043eefe
[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" "b19818ce404f96ad8940db35677e82f38e89f9d9a02b1e9fd5014d0fc043eefe", kill_on_drop: false }`
[INFO] [stderr]    Compiling aliasable_deref_trait v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b19818ce404f96ad8940db35677e82f38e89f9d9a02b1e9fd5014d0fc043eefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19818ce404f96ad8940db35677e82f38e89f9d9a02b1e9fd5014d0fc043eefe", kill_on_drop: false }`
[INFO] [stdout] b19818ce404f96ad8940db35677e82f38e89f9d9a02b1e9fd5014d0fc043eefe
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91112eddec371aa16c5504fe01c20d720a66acdff9a22a17e3592307abc0de83
[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" "91112eddec371aa16c5504fe01c20d720a66acdff9a22a17e3592307abc0de83", kill_on_drop: false }`
[INFO] [stderr]    Compiling aliasable_deref_trait v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "91112eddec371aa16c5504fe01c20d720a66acdff9a22a17e3592307abc0de83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91112eddec371aa16c5504fe01c20d720a66acdff9a22a17e3592307abc0de83", kill_on_drop: false }`
[INFO] [stdout] 91112eddec371aa16c5504fe01c20d720a66acdff9a22a17e3592307abc0de83
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 823dc408612d9c4c60d18fe761cd7f90b1401d7b002ba98bfb7a660f9d7fc0ec
[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" "823dc408612d9c4c60d18fe761cd7f90b1401d7b002ba98bfb7a660f9d7fc0ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aliasable_deref_trait-9c9b930daba6f728
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_rw_lock_read_guard ... ok
[INFO] [stdout] test tests::test_cell_ref_mut ... ok
[INFO] [stdout] test tests::test_rw_lock_write_guard ... ok
[INFO] [stdout] test tests::test_into_aliasable_owner ... ok
[INFO] [stdout] test tests::test_arc ... ok
[INFO] [stdout] test tests::test_mutex_guard ... ok
[INFO] [stdout] test tests::test_rc ... ok
[INFO] [stdout] test tests::test_cell_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aliasable_deref_trait
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "823dc408612d9c4c60d18fe761cd7f90b1401d7b002ba98bfb7a660f9d7fc0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823dc408612d9c4c60d18fe761cd7f90b1401d7b002ba98bfb7a660f9d7fc0ec", kill_on_drop: false }`
[INFO] [stdout] 823dc408612d9c4c60d18fe761cd7f90b1401d7b002ba98bfb7a660f9d7fc0ec