[INFO] cloning repository https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexim%2Fworking-opengl-example-in-rust-omg-iwanna-die", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexim%2Fworking-opengl-example-in-rust-omg-iwanna-die'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d62967a15bd44b8eb6f586bf3610f0c8d0515b3e
[INFO] testing rexim/working-opengl-example-in-rust-omg-iwanna-die against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexim%2Fworking-opengl-example-in-rust-omg-iwanna-die" "/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/rexim/working-opengl-example-in-rust-omg-iwanna-die on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die
[INFO] finished tweaking git repo https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die
[INFO] tweaked toml for git repo https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rexim/working-opengl-example-in-rust-omg-iwanna-die already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5125ef26cce83036b46659b710636a2cad43a10a0ee447554479b02885831b
[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" "7b5125ef26cce83036b46659b710636a2cad43a10a0ee447554479b02885831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5125ef26cce83036b46659b710636a2cad43a10a0ee447554479b02885831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5125ef26cce83036b46659b710636a2cad43a10a0ee447554479b02885831b", kill_on_drop: false }`
[INFO] [stdout] 7b5125ef26cce83036b46659b710636a2cad43a10a0ee447554479b02885831b
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11a59232a33bd6304dbd96d0bdc4abfc8fb9f3c1b448e2d16e7cd404ce22187a
[INFO] running `Command { std: "docker" "start" "-a" "11a59232a33bd6304dbd96d0bdc4abfc8fb9f3c1b448e2d16e7cd404ce22187a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling opengl-probe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let context = window.gl_create_context().unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vs` is never read
[INFO] [stdout]    --> src/main.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut vs = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs` is never read
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut fs = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `shader_program` is never read
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut shader_program = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut angle_loc = 0;
[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: constant `n` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const n: usize = 20;
[INFO] [stdout]    |           ^ help: convert the identifier to upper case: `N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `base` should have an upper case name
[INFO] [stdout]   --> src/main.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     const base: usize = 3;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `BASE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.76s
[INFO] running `Command { std: "docker" "inspect" "11a59232a33bd6304dbd96d0bdc4abfc8fb9f3c1b448e2d16e7cd404ce22187a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a59232a33bd6304dbd96d0bdc4abfc8fb9f3c1b448e2d16e7cd404ce22187a", kill_on_drop: false }`
[INFO] [stdout] 11a59232a33bd6304dbd96d0bdc4abfc8fb9f3c1b448e2d16e7cd404ce22187a
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d03b963cff4825626a9058642d88c2f14ce65df484432e19b07df9f4e9b2c2d
[INFO] running `Command { std: "docker" "start" "-a" "3d03b963cff4825626a9058642d88c2f14ce65df484432e19b07df9f4e9b2c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling opengl-probe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let context = window.gl_create_context().unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vs` is never read
[INFO] [stdout]    --> src/main.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut vs = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs` is never read
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut fs = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `shader_program` is never read
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut shader_program = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut angle_loc = 0;
[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: constant `n` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const n: usize = 20;
[INFO] [stdout]    |           ^ help: convert the identifier to upper case: `N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `base` should have an upper case name
[INFO] [stdout]   --> src/main.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     const base: usize = 3;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `BASE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "3d03b963cff4825626a9058642d88c2f14ce65df484432e19b07df9f4e9b2c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d03b963cff4825626a9058642d88c2f14ce65df484432e19b07df9f4e9b2c2d", kill_on_drop: false }`
[INFO] [stdout] 3d03b963cff4825626a9058642d88c2f14ce65df484432e19b07df9f4e9b2c2d
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04c2015944b804090272de175cf84797c772f8e1bf87b848fb36e44b919d645f
[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" "04c2015944b804090272de175cf84797c772f8e1bf87b848fb36e44b919d645f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 17 |     let context = window.gl_create_context().unwrap();
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `vs` is never read
[INFO] [stderr]    --> src/main.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut vs = 0;
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fs` is never read
[INFO] [stderr]    --> src/main.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let mut fs = 0;
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `shader_program` is never read
[INFO] [stderr]    --> src/main.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut shader_program = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let mut angle_loc = 0;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `n` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 |     const n: usize = 20;
[INFO] [stderr]    |           ^ help: convert the identifier to upper case: `N`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `base` should have an upper case name
[INFO] [stderr]   --> src/main.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 |     const base: usize = 3;
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `BASE`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opengl_probe-5e2ba13063c303e2
[INFO] running `Command { std: "docker" "inspect" "04c2015944b804090272de175cf84797c772f8e1bf87b848fb36e44b919d645f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c2015944b804090272de175cf84797c772f8e1bf87b848fb36e44b919d645f", kill_on_drop: false }`
[INFO] [stdout] 04c2015944b804090272de175cf84797c772f8e1bf87b848fb36e44b919d645f