[INFO] cloning repository https://github.com/slightknack/machine-110
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightknack/machine-110" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Fmachine-110", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Fmachine-110'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 208f9b5c37136e9f4631dd6b559eed6f2a395c6c
[INFO] testing slightknack/machine-110 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%2Fslightknack%2Fmachine-110" "/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/slightknack/machine-110 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/slightknack/machine-110
[INFO] finished tweaking git repo https://github.com/slightknack/machine-110
[INFO] tweaked toml for git repo https://github.com/slightknack/machine-110 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/slightknack/machine-110 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] [stdout] ca9f82dfc137fc0a4a258f2510edbd98901b6f7ffd756a125aa0739583d6288c
[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" "ca9f82dfc137fc0a4a258f2510edbd98901b6f7ffd756a125aa0739583d6288c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9f82dfc137fc0a4a258f2510edbd98901b6f7ffd756a125aa0739583d6288c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9f82dfc137fc0a4a258f2510edbd98901b6f7ffd756a125aa0739583d6288c", kill_on_drop: false }`
[INFO] [stdout] ca9f82dfc137fc0a4a258f2510edbd98901b6f7ffd756a125aa0739583d6288c
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da06172af732db9c9092e98f7253ed8450ae7e433a690b12475af177f80edcd8
[INFO] running `Command { std: "docker" "start" "-a" "da06172af732db9c9092e98f7253ed8450ae7e433a690b12475af177f80edcd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine-110 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cyclic::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use cyclic::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/automata.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn compile(i: cyclic::Cyclic) -> Tape {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]   --> src/gliders.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn filler(phase: usize) -> Vec<bool> {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]   --> src/gliders.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn half_filler(phase: usize) -> Vec<bool> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big`
[INFO] [stdout]   --> src/compiler.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn leading_wiggler(big: bool) -> Gliders {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phase`
[INFO] [stdout]   --> src/compiler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phase: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gliders`
[INFO] [stdout]   --> src/compiler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     gliders:  Vec<Glider>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `distances`
[INFO] [stdout]   --> src/compiler.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distances: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "da06172af732db9c9092e98f7253ed8450ae7e433a690b12475af177f80edcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da06172af732db9c9092e98f7253ed8450ae7e433a690b12475af177f80edcd8", kill_on_drop: false }`
[INFO] [stdout] da06172af732db9c9092e98f7253ed8450ae7e433a690b12475af177f80edcd8
[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] [stdout] 81138ce34bc976562bfd3be05f23cd553386f2cc1565dd2e09030acbbd94345a
[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" "81138ce34bc976562bfd3be05f23cd553386f2cc1565dd2e09030acbbd94345a", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine-110 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cyclic::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use cyclic::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/automata.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn compile(i: cyclic::Cyclic) -> Tape {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]   --> src/gliders.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn filler(phase: usize) -> Vec<bool> {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]   --> src/gliders.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn half_filler(phase: usize) -> Vec<bool> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big`
[INFO] [stdout]   --> src/compiler.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn leading_wiggler(big: bool) -> Gliders {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phase`
[INFO] [stdout]   --> src/compiler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phase: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gliders`
[INFO] [stdout]   --> src/compiler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     gliders:  Vec<Glider>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `distances`
[INFO] [stdout]   --> src/compiler.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distances: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "81138ce34bc976562bfd3be05f23cd553386f2cc1565dd2e09030acbbd94345a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81138ce34bc976562bfd3be05f23cd553386f2cc1565dd2e09030acbbd94345a", kill_on_drop: false }`
[INFO] [stdout] 81138ce34bc976562bfd3be05f23cd553386f2cc1565dd2e09030acbbd94345a
[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] 4d8008b5880f502fa6017b888ff4c2a2b4a5f8f825677427a41ca460a9545923
[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" "4d8008b5880f502fa6017b888ff4c2a2b4a5f8f825677427a41ca460a9545923", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cyclic::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use cyclic::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/automata.rs:138:16
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn compile(i: cyclic::Cyclic) -> Tape {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phase`
[INFO] [stderr]   --> src/gliders.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn filler(phase: usize) -> Vec<bool> {
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phase`
[INFO] [stderr]   --> src/gliders.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn half_filler(phase: usize) -> Vec<bool> {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `big`
[INFO] [stderr]   --> src/compiler.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn leading_wiggler(big: bool) -> Gliders {
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `phase`
[INFO] [stderr]   --> src/compiler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     phase: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gliders`
[INFO] [stderr]   --> src/compiler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     gliders:  Vec<Glider>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `distances`
[INFO] [stderr]   --> src/compiler.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     distances: Vec<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/machine_110-0152e9569a160ec7
[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" "4d8008b5880f502fa6017b888ff4c2a2b4a5f8f825677427a41ca460a9545923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8008b5880f502fa6017b888ff4c2a2b4a5f8f825677427a41ca460a9545923", kill_on_drop: false }`
[INFO] [stdout] 4d8008b5880f502fa6017b888ff4c2a2b4a5f8f825677427a41ca460a9545923