[INFO] fetching crate disassemble 0.0.1...
[INFO] checking disassemble-0.0.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate disassemble 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate disassemble 0.0.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disassemble 0.0.1
[INFO] finished tweaking crates.io crate disassemble 0.0.1
[INFO] tweaked toml for crates.io crate disassemble 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c71cc376cbc3229f24033172ba57240dd5a7e40b4ce997f80690fb579fae048
[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" "9c71cc376cbc3229f24033172ba57240dd5a7e40b4ce997f80690fb579fae048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c71cc376cbc3229f24033172ba57240dd5a7e40b4ce997f80690fb579fae048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71cc376cbc3229f24033172ba57240dd5a7e40b4ce997f80690fb579fae048", kill_on_drop: false }`
[INFO] [stdout] 9c71cc376cbc3229f24033172ba57240dd5a7e40b4ce997f80690fb579fae048
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a1cc8de4cddd1678d53025f4040233c047e5f0852dd4d21ace571f744bb550
[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" "28a1cc8de4cddd1678d53025f4040233c047e5f0852dd4d21ace571f744bb550", kill_on_drop: false }`
[INFO] [stderr]     Checking disassemble v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/basicblock.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub instructions: Vec<&'f Box<Instruction>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[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/function.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/basicblock.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub instructions: Vec<&'f Box<Instruction>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[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/function.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28a1cc8de4cddd1678d53025f4040233c047e5f0852dd4d21ace571f744bb550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a1cc8de4cddd1678d53025f4040233c047e5f0852dd4d21ace571f744bb550", kill_on_drop: false }`
[INFO] [stdout] 28a1cc8de4cddd1678d53025f4040233c047e5f0852dd4d21ace571f744bb550