[INFO] cloning repository https://github.com/egonik-unlp/rust_MD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egonik-unlp/rust_MD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Frust_MD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Frust_MD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d1042acaf791980d5143c9e43d663d0ce83b02f
[INFO] checking egonik-unlp/rust_MD against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Frust_MD" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/egonik-unlp/rust_MD
[INFO] finished tweaking git repo https://github.com/egonik-unlp/rust_MD
[INFO] tweaked toml for git repo https://github.com/egonik-unlp/rust_MD written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/egonik-unlp/rust_MD on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/egonik-unlp/rust_MD already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking egonik-unlp/rust_MD against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Frust_MD" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/egonik-unlp/rust_MD
[INFO] finished tweaking git repo https://github.com/egonik-unlp/rust_MD
[INFO] tweaked toml for git repo https://github.com/egonik-unlp/rust_MD written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/egonik-unlp/rust_MD on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/egonik-unlp/rust_MD already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd367f676ba4ad70d459bb6ce3cb26156d2af432ecf9247415cc4a9cd0368c7
[INFO] running `Command { std: "docker" "start" "-a" "ebd367f676ba4ad70d459bb6ce3cb26156d2af432ecf9247415cc4a9cd0368c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd367f676ba4ad70d459bb6ce3cb26156d2af432ecf9247415cc4a9cd0368c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd367f676ba4ad70d459bb6ce3cb26156d2af432ecf9247415cc4a9cd0368c7", kill_on_drop: false }`
[INFO] [stdout] ebd367f676ba4ad70d459bb6ce3cb26156d2af432ecf9247415cc4a9cd0368c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1335e629129180c951e205ae8512061222c7650ebd38f2087202f8610c75cef
[INFO] running `Command { std: "docker" "start" "-a" "b1335e629129180c951e205ae8512061222c7650ebd38f2087202f8610c75cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_MD v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut rng = rand::thread_rng(); 
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut rng = rand::thread_rng(); 
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         --------------------^^^^^^^^-----------------------------------------------------------------------------
[INFO] [stdout]    |         |            |      |
[INFO] [stdout]    |         |            |      mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         --------------------^^^^^^^^-----------------------------------------------------------------------------
[INFO] [stdout]    |         |            |      |
[INFO] [stdout]    |         |            |      mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:42
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         ---------------------------------^^^^^^^^----------------------------------------------------------------
[INFO] [stdout]    |         |            |                   |
[INFO] [stdout]    |         |            |                   mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:42
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         ---------------------------------^^^^^^^^----------------------------------------------------------------
[INFO] [stdout]    |         |            |                   |
[INFO] [stdout]    |         |            |                   mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:104
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         -----------------------------------------------------------------------------------------------^^^^^^^^--
[INFO] [stdout]    |         |            |                                                                                 |
[INFO] [stdout]    |         |            |                                                                                 mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*w` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:44:104
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new( w : &mut World, mass : u32, temp : u32) -> Particle {
[INFO] [stdout]    |                 - let's call the lifetime of this reference `'1`
[INFO] [stdout] 44 |         Particle{ w: w , x: w.igen(), y: w.igen(), energy: Boltzmann * temp as f32  , mass: mass, vel: w.fgen() }
[INFO] [stdout]    |         -----------------------------------------------------------------------------------------------^^^^^^^^--
[INFO] [stdout]    |         |            |                                                                                 |
[INFO] [stdout]    |         |            |                                                                                 mutable borrow occurs here
[INFO] [stdout]    |         |            immutable borrow occurs here
[INFO] [stdout]    |         returning this value requires that `*w` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.w` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |         self.x += self.w.igen();
[INFO] [stdout]    |                   ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w : &'a mut World
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.w` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |         self.x += self.w.igen();
[INFO] [stdout]    |                   ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w : &'a mut World
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.w` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.y += self.w.igen();
[INFO] [stdout]    |                   ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w : &'a mut World
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.w` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.y += self.w.igen();
[INFO] [stdout]    |                   ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w : &'a mut World
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_MD` (bin "rust_MD" test) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_MD` (bin "rust_MD") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b1335e629129180c951e205ae8512061222c7650ebd38f2087202f8610c75cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1335e629129180c951e205ae8512061222c7650ebd38f2087202f8610c75cef", kill_on_drop: false }`
[INFO] [stdout] b1335e629129180c951e205ae8512061222c7650ebd38f2087202f8610c75cef
