[INFO] cloning repository https://github.com/MarkusAkesson/rost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkusAkesson/rost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a97fe2cb17d49ecfd7b05e7c1ca503a33e2866
[INFO] testing MarkusAkesson/rost against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frost" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarkusAkesson/rost on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MarkusAkesson/rost
[INFO] finished tweaking git repo https://github.com/MarkusAkesson/rost
[INFO] tweaked toml for git repo https://github.com/MarkusAkesson/rost written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MarkusAkesson/rost already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15ddee193ae4c71ac41b9801c459275921f6497eaeb2fc19e365c6e40986bd4
[INFO] running `Command { std: "docker" "start" "-a" "b15ddee193ae4c71ac41b9801c459275921f6497eaeb2fc19e365c6e40986bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15ddee193ae4c71ac41b9801c459275921f6497eaeb2fc19e365c6e40986bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15ddee193ae4c71ac41b9801c459275921f6497eaeb2fc19e365c6e40986bd4", kill_on_drop: false }`
[INFO] [stdout] b15ddee193ae4c71ac41b9801c459275921f6497eaeb2fc19e365c6e40986bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b86f662297593fabb6d1dacc4f3c6acff9192f74fd1569c8081cab6dd411d3b9
[INFO] running `Command { std: "docker" "start" "-a" "b86f662297593fabb6d1dacc4f3c6acff9192f74fd1569c8081cab6dd411d3b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling riscv-rt v0.8.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stdout] warning: unused variable: `sstatus`
[INFO] [stdout]   --> src/trap.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let sstatus = register::sstatus::read();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sstatus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'rdtime'
[INFO] [stdout]   --> src/arch/riscv.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     unsafe { asm!("rdtime {}", out(reg) x) };
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout] 2  |     rdtime rax
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rost`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b86f662297593fabb6d1dacc4f3c6acff9192f74fd1569c8081cab6dd411d3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f662297593fabb6d1dacc4f3c6acff9192f74fd1569c8081cab6dd411d3b9", kill_on_drop: false }`
[INFO] [stdout] b86f662297593fabb6d1dacc4f3c6acff9192f74fd1569c8081cab6dd411d3b9