[INFO] fetching crate power-of-two-impl 0.1.0...
[INFO] testing power-of-two-impl-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate power-of-two-impl 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate power-of-two-impl 0.1.0 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 power-of-two-impl 0.1.0
[INFO] finished tweaking crates.io crate power-of-two-impl 0.1.0
[INFO] tweaked toml for crates.io crate power-of-two-impl 0.1.0 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] f12323b050513dc2fb92bb394e516c1626c33ce3735da6c45ad371e45d6ff5b5
[INFO] running `Command { std: "docker" "start" "-a" "f12323b050513dc2fb92bb394e516c1626c33ce3735da6c45ad371e45d6ff5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f12323b050513dc2fb92bb394e516c1626c33ce3735da6c45ad371e45d6ff5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12323b050513dc2fb92bb394e516c1626c33ce3735da6c45ad371e45d6ff5b5", kill_on_drop: false }`
[INFO] [stdout] f12323b050513dc2fb92bb394e516c1626c33ce3735da6c45ad371e45d6ff5b5
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af63adadab91b40c10c2198602e80465cb8edfb60b648b81c220632a28902edc
[INFO] running `Command { std: "docker" "start" "-a" "af63adadab91b40c10c2198602e80465cb8edfb60b648b81c220632a28902edc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling power-of-two-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "af63adadab91b40c10c2198602e80465cb8edfb60b648b81c220632a28902edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af63adadab91b40c10c2198602e80465cb8edfb60b648b81c220632a28902edc", kill_on_drop: false }`
[INFO] [stdout] af63adadab91b40c10c2198602e80465cb8edfb60b648b81c220632a28902edc
[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] c94eb7d83f1f04e0406b8a3f56f7eca9c06d6bd728bb7e234ba1d7ab78616b28
[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" "c94eb7d83f1f04e0406b8a3f56f7eca9c06d6bd728bb7e234ba1d7ab78616b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling power-of-two-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c94eb7d83f1f04e0406b8a3f56f7eca9c06d6bd728bb7e234ba1d7ab78616b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94eb7d83f1f04e0406b8a3f56f7eca9c06d6bd728bb7e234ba1d7ab78616b28", kill_on_drop: false }`
[INFO] [stdout] c94eb7d83f1f04e0406b8a3f56f7eca9c06d6bd728bb7e234ba1d7ab78616b28
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 769ea0c5bb349b1c9edc9f5c5ec6b8fcfcfee91e8b99597d70be720bad083745
[INFO] running `Command { std: "docker" "start" "-a" "769ea0c5bb349b1c9edc9f5c5ec6b8fcfcfee91e8b99597d70be720bad083745", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/power_of_two_impl-be6bdc8a5eaabb02
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests power-of-two-impl
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - _proc_macro_hack_power_of_two (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - proc_macro_hack_power_of_two (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - _proc_macro_hack_power_of_two (line 35) stdout ----
[INFO] [stdout] error: cannot find macro `power_of_two` in this scope
[INFO] [stdout]  --> src/lib.rs:37:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | const POW3: isize = power_of_two!(2, isize);
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `power_of_two` in this scope
[INFO] [stdout]  --> src/lib.rs:36:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | const POW2: usize = power_of_two!(2);
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - proc_macro_hack_power_of_two (line 35) stdout ----
[INFO] [stdout] error: cannot find macro `power_of_two` in this scope
[INFO] [stdout]  --> src/lib.rs:37:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | const POW3: isize = power_of_two!(2, isize);
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `power_of_two` in this scope
[INFO] [stdout]  --> src/lib.rs:36:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | const POW2: usize = power_of_two!(2);
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - _proc_macro_hack_power_of_two (line 35)
[INFO] [stdout]     src/lib.rs - proc_macro_hack_power_of_two (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "769ea0c5bb349b1c9edc9f5c5ec6b8fcfcfee91e8b99597d70be720bad083745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769ea0c5bb349b1c9edc9f5c5ec6b8fcfcfee91e8b99597d70be720bad083745", kill_on_drop: false }`
[INFO] [stdout] 769ea0c5bb349b1c9edc9f5c5ec6b8fcfcfee91e8b99597d70be720bad083745