[INFO] cloning repository https://github.com/as3richa/brainrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/as3richa/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc6c05c91953b0d30e9f14d73429a5d22c0ccfc
[INFO] testing as3richa/brainrust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/as3richa/brainrust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/as3richa/brainrust
[INFO] finished tweaking git repo https://github.com/as3richa/brainrust
[INFO] tweaked toml for git repo https://github.com/as3richa/brainrust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/as3richa/brainrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] a23e16d65490a0baac7c0bbd54dc4f74cbf7edcc546ee053d5aa51d04bf2a269
[INFO] running `Command { std: "docker" "start" "-a" "a23e16d65490a0baac7c0bbd54dc4f74cbf7edcc546ee053d5aa51d04bf2a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a23e16d65490a0baac7c0bbd54dc4f74cbf7edcc546ee053d5aa51d04bf2a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23e16d65490a0baac7c0bbd54dc4f74cbf7edcc546ee053d5aa51d04bf2a269", kill_on_drop: false }`
[INFO] [stdout] a23e16d65490a0baac7c0bbd54dc4f74cbf7edcc546ee053d5aa51d04bf2a269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d90b8244052c86583efadaa38d6ae357f15100e50c07e5352e12e7e0e39cf6
[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" "40d90b8244052c86583efadaa38d6ae357f15100e50c07e5352e12e7e0e39cf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/compiler.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/compiler.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_BSS_SIZE`
[INFO] [stdout]    --> src/elf.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub const MAX_BSS_SIZE: u64 = (1 + 0x7fffffffffff) - BSS_VIRTUAL_ADDRESS;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn new(line: usize, column: usize, message: &'static str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "40d90b8244052c86583efadaa38d6ae357f15100e50c07e5352e12e7e0e39cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d90b8244052c86583efadaa38d6ae357f15100e50c07e5352e12e7e0e39cf6", kill_on_drop: false }`
[INFO] [stdout] 40d90b8244052c86583efadaa38d6ae357f15100e50c07e5352e12e7e0e39cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 52d45e36131f88f3892ab63855710b6ad9a7ea969cc840dd15b5f45d66227441
[INFO] running `Command { std: "docker" "start" "-a" "52d45e36131f88f3892ab63855710b6ad9a7ea969cc840dd15b5f45d66227441", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/compiler.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/compiler.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_BSS_SIZE`
[INFO] [stdout]    --> src/elf.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub const MAX_BSS_SIZE: u64 = (1 + 0x7fffffffffff) - BSS_VIRTUAL_ADDRESS;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn new(line: usize, column: usize, message: &'static str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52d45e36131f88f3892ab63855710b6ad9a7ea969cc840dd15b5f45d66227441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d45e36131f88f3892ab63855710b6ad9a7ea969cc840dd15b5f45d66227441", kill_on_drop: false }`
[INFO] [stdout] 52d45e36131f88f3892ab63855710b6ad9a7ea969cc840dd15b5f45d66227441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44357ba4c78bbb0e9c03b02931da2d43bd0036b3d84b3fdf20068bf9be3ea917
[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" "44357ba4c78bbb0e9c03b02931da2d43bd0036b3d84b3fdf20068bf9be3ea917", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/compiler.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]   --> src/compiler.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stderr]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_BSS_SIZE`
[INFO] [stderr]    --> src/elf.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub const MAX_BSS_SIZE: u64 = (1 + 0x7fffffffffff) - BSS_VIRTUAL_ADDRESS;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/parser.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn new(line: usize, column: usize, message: &'static str) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainrust-7e628aab87a2d06e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44357ba4c78bbb0e9c03b02931da2d43bd0036b3d84b3fdf20068bf9be3ea917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44357ba4c78bbb0e9c03b02931da2d43bd0036b3d84b3fdf20068bf9be3ea917", kill_on_drop: false }`
[INFO] [stdout] 44357ba4c78bbb0e9c03b02931da2d43bd0036b3d84b3fdf20068bf9be3ea917