[INFO] fetching crate timing-shield 0.1.2...
[INFO] testing timing-shield-0.1.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate timing-shield 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate timing-shield 0.1.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timing-shield 0.1.2
[INFO] finished tweaking crates.io crate timing-shield 0.1.2
[INFO] tweaked toml for crates.io crate timing-shield 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] ef022b288423c78a0623eb7e8549ada76ecaf399966c64ce0bc3a269202b8e0a
[INFO] running `Command { std: "docker" "start" "-a" "ef022b288423c78a0623eb7e8549ada76ecaf399966c64ce0bc3a269202b8e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef022b288423c78a0623eb7e8549ada76ecaf399966c64ce0bc3a269202b8e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef022b288423c78a0623eb7e8549ada76ecaf399966c64ce0bc3a269202b8e0a", kill_on_drop: false }`
[INFO] [stdout] ef022b288423c78a0623eb7e8549ada76ecaf399966c64ce0bc3a269202b8e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1aa6edcc6b1f24deac2e8f7735fd09f1cb41f11c2a949419ba35c219b56a81
[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" "bc1aa6edcc6b1f24deac2e8f7735fd09f1cb41f11c2a949419ba35c219b56a81", kill_on_drop: false }`
[INFO] [stderr]    Compiling timing-shield v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> src/lib.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 776 |             asm!("" : "=r"(output) : "0"(input_u8));
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace with: `llvm_asm!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> src/lib.rs:802:13
[INFO] [stdout]     |
[INFO] [stdout] 802 |             asm!("" : "=r"(output) : "0"(self.0));
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace with: `llvm_asm!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(asm, i128_type, specialization)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `timing-shield`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "bc1aa6edcc6b1f24deac2e8f7735fd09f1cb41f11c2a949419ba35c219b56a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1aa6edcc6b1f24deac2e8f7735fd09f1cb41f11c2a949419ba35c219b56a81", kill_on_drop: false }`
[INFO] [stdout] bc1aa6edcc6b1f24deac2e8f7735fd09f1cb41f11c2a949419ba35c219b56a81