[INFO] fetching crate trench 0.3.0...
[INFO] checking trench-0.3.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate trench 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate trench 0.3.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trench 0.3.0
[INFO] finished tweaking crates.io crate trench 0.3.0
[INFO] tweaked toml for crates.io crate trench 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c0ea1bb853efde34ad63cb4019a2578c535a68a207c7bdd7333a831de54056
[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" "f6c0ea1bb853efde34ad63cb4019a2578c535a68a207c7bdd7333a831de54056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c0ea1bb853efde34ad63cb4019a2578c535a68a207c7bdd7333a831de54056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c0ea1bb853efde34ad63cb4019a2578c535a68a207c7bdd7333a831de54056", kill_on_drop: false }`
[INFO] [stdout] f6c0ea1bb853efde34ad63cb4019a2578c535a68a207c7bdd7333a831de54056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8e254ccd30989850ac9956c091817d9b5569e0104814e1c931528d7d0d26fa
[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" "5e8e254ccd30989850ac9956c091817d9b5569e0104814e1c931528d7d0d26fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking trench v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unsafe { asm!("" : : "r"(&dummy)) }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     LocalInit(Box<'static + Fn(&mut Local) + Send>),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&mut Local) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     GlobalInit(Box<'static + Fn(&Global) + Send>),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&Global) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |     BenchFor(Duration, Box<'static + Fn(&Global, &mut Local) + Send>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&Global, &mut Local) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unsafe { asm!("" : : "r"(&dummy)) }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     LocalInit(Box<'static + Fn(&mut Local) + Send>),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&mut Local) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     GlobalInit(Box<'static + Fn(&Global) + Send>),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&Global) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |     BenchFor(Duration, Box<'static + Fn(&Global, &mut Local) + Send>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Fn(&Global, &mut Local) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trench`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5e8e254ccd30989850ac9956c091817d9b5569e0104814e1c931528d7d0d26fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8e254ccd30989850ac9956c091817d9b5569e0104814e1c931528d7d0d26fa", kill_on_drop: false }`
[INFO] [stdout] 5e8e254ccd30989850ac9956c091817d9b5569e0104814e1c931528d7d0d26fa