[INFO] cloning repository https://github.com/d3zd3z/bootsim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3zd3z/bootsim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3zd3z%2Fbootsim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3zd3z%2Fbootsim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98d4a518c6a1a5d4a3a3fec6581786b02513f0fc
[INFO] checking d3zd3z/bootsim against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3zd3z%2Fbootsim" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d3zd3z/bootsim 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/d3zd3z/bootsim
[INFO] finished tweaking git repo https://github.com/d3zd3z/bootsim
[INFO] tweaked toml for git repo https://github.com/d3zd3z/bootsim written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/d3zd3z/bootsim 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8253f54419b7afc0b419f2d09590cd50441f72b899c177a7ae8e6e2b2cc25941
[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" "8253f54419b7afc0b419f2d09590cd50441f72b899c177a7ae8e6e2b2cc25941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8253f54419b7afc0b419f2d09590cd50441f72b899c177a7ae8e6e2b2cc25941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8253f54419b7afc0b419f2d09590cd50441f72b899c177a7ae8e6e2b2cc25941", kill_on_drop: false }`
[INFO] [stdout] 8253f54419b7afc0b419f2d09590cd50441f72b899c177a7ae8e6e2b2cc25941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5450d154323ee408fea3d539a316a10b103ec15971c97388dfbd35700f88ff74
[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" "5450d154323ee408fea3d539a316a10b103ec15971c97388dfbd35700f88ff74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling bootsim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr] warning: bootutil/src/loader.c: In function 'split_go':
[INFO] [stderr] warning: bootutil/src/loader.c:1092:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
[INFO] [stderr] warning:  1092 |     *entry = (void*) entry_val;
[INFO] [stderr] warning:       |              ^
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/flash.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut sub = &mut self.data[offset .. offset + payload.len()];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut dev: &mut Flash = unsafe { &mut *dev };
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut dev: &mut Flash = unsafe { &mut *dev };
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/flash.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut sub = &mut self.data[offset .. offset + payload.len()];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut dev: &mut Flash = unsafe { &mut *dev };
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut dev: &mut Flash = unsafe { &mut *dev };
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "5450d154323ee408fea3d539a316a10b103ec15971c97388dfbd35700f88ff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5450d154323ee408fea3d539a316a10b103ec15971c97388dfbd35700f88ff74", kill_on_drop: false }`
[INFO] [stdout] 5450d154323ee408fea3d539a316a10b103ec15971c97388dfbd35700f88ff74