[INFO] cloning repository https://github.com/rtroxler/assembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtroxler/assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c493fd729170dfba6856537bd71d0b4cc3c5a3b
[INFO] checking rtroxler/assembler against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtroxler/assembler on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rtroxler/assembler
[INFO] finished tweaking git repo https://github.com/rtroxler/assembler
[INFO] tweaked toml for git repo https://github.com/rtroxler/assembler written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rtroxler/assembler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 948d7bb6b3bc7b8c6ea6982b1cfd4543076e3e4266d1f2d3778a170fd482b1de
[INFO] running `Command { std: "docker" "start" "-a" "948d7bb6b3bc7b8c6ea6982b1cfd4543076e3e4266d1f2d3778a170fd482b1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948d7bb6b3bc7b8c6ea6982b1cfd4543076e3e4266d1f2d3778a170fd482b1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948d7bb6b3bc7b8c6ea6982b1cfd4543076e3e4266d1f2d3778a170fd482b1de", kill_on_drop: false }`
[INFO] [stdout] 948d7bb6b3bc7b8c6ea6982b1cfd4543076e3e4266d1f2d3778a170fd482b1de
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fe34f33e989c108e105bd78f9ff4289e90f8a04846bb81e77553dd77d2ed39
[INFO] running `Command { std: "docker" "start" "-a" "c6fe34f33e989c108e105bd78f9ff4289e90f8a04846bb81e77553dd77d2ed39", kill_on_drop: false }`
[INFO] [stderr]     Checking assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn transform(self) -> Box<Instruction> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn transform(self) -> Box<Instruction> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6fe34f33e989c108e105bd78f9ff4289e90f8a04846bb81e77553dd77d2ed39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fe34f33e989c108e105bd78f9ff4289e90f8a04846bb81e77553dd77d2ed39", kill_on_drop: false }`
[INFO] [stdout] c6fe34f33e989c108e105bd78f9ff4289e90f8a04846bb81e77553dd77d2ed39