[INFO] cloning repository https://github.com/Technius/toyrisc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Technius/toyrisc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftoyrisc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftoyrisc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd25c69e27b0f6ea24b382ae3cbdb36b186235d2
[INFO] checking Technius/toyrisc against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftoyrisc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Technius/toyrisc on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Technius/toyrisc
[INFO] finished tweaking git repo https://github.com/Technius/toyrisc
[INFO] tweaked toml for git repo https://github.com/Technius/toyrisc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Technius/toyrisc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4fea2513bcfb31809989b57b32ba3c04b011c086e57cc1f98c3876d810241f0
[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" "a4fea2513bcfb31809989b57b32ba3c04b011c086e57cc1f98c3876d810241f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4fea2513bcfb31809989b57b32ba3c04b011c086e57cc1f98c3876d810241f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fea2513bcfb31809989b57b32ba3c04b011c086e57cc1f98c3876d810241f0", kill_on_drop: false }`
[INFO] [stdout] a4fea2513bcfb31809989b57b32ba3c04b011c086e57cc1f98c3876d810241f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b670b41b890a04297805a55bd6adbdf8637a378dde98c0df84df1adb73bbc6b9
[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" "b670b41b890a04297805a55bd6adbdf8637a378dde98c0df84df1adb73bbc6b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking toyrisc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/vmem.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Index, IndexMut, Range};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/vmem.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Index, IndexMut, Range};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PageTable`
[INFO] [stdout]   --> src/vmem.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct PageTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PageTable`
[INFO] [stdout]   --> src/vmem.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct PageTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.87s
[INFO] running `Command { std: "docker" "inspect" "b670b41b890a04297805a55bd6adbdf8637a378dde98c0df84df1adb73bbc6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b670b41b890a04297805a55bd6adbdf8637a378dde98c0df84df1adb73bbc6b9", kill_on_drop: false }`
[INFO] [stdout] b670b41b890a04297805a55bd6adbdf8637a378dde98c0df84df1adb73bbc6b9