[INFO] updating cached repository https://github.com/camccar/chpt10-11
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e2fcad5b152ec2404e7f70e8717abdf533215bc
[INFO] testing camccar/chpt10-11 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fchpt10-11" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camccar/chpt10-11 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/camccar/chpt10-11
[INFO] finished tweaking git repo https://github.com/camccar/chpt10-11
[INFO] tweaked toml for git repo https://github.com/camccar/chpt10-11 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/camccar/chpt10-11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d76aac7da0347cddaf4ce8807eca56f7409f16e8e8a08cce886e25e1d8f02a6
[INFO] running `"docker" "start" "-a" "3d76aac7da0347cddaf4ce8807eca56f7409f16e8e8a08cce886e25e1d8f02a6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ch10-11 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for x in 0..listNum.len(){
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let sizeofthing = copyvec.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let sizeofthing = listNum.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `listNum` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut listNum = vec![5,8,6,2,3,4,6];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `list_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "3d76aac7da0347cddaf4ce8807eca56f7409f16e8e8a08cce886e25e1d8f02a6"`
[INFO] running `"docker" "rm" "-f" "3d76aac7da0347cddaf4ce8807eca56f7409f16e8e8a08cce886e25e1d8f02a6"`
[INFO] [stdout] 3d76aac7da0347cddaf4ce8807eca56f7409f16e8e8a08cce886e25e1d8f02a6
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a04d73d903c2738ed6a2b55ae407e8d57f1921e736dfdaaa8acbccc9e5e38619
[INFO] running `"docker" "start" "-a" "a04d73d903c2738ed6a2b55ae407e8d57f1921e736dfdaaa8acbccc9e5e38619"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ch10-11 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for x in 0..listNum.len(){
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let sizeofthing = copyvec.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let sizeofthing = listNum.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `listNum` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut listNum = vec![5,8,6,2,3,4,6];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `list_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a04d73d903c2738ed6a2b55ae407e8d57f1921e736dfdaaa8acbccc9e5e38619"`
[INFO] running `"docker" "rm" "-f" "a04d73d903c2738ed6a2b55ae407e8d57f1921e736dfdaaa8acbccc9e5e38619"`
[INFO] [stdout] a04d73d903c2738ed6a2b55ae407e8d57f1921e736dfdaaa8acbccc9e5e38619
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] ddb5593f6336641bcfd8b5378cc61836ab4b5f454c9c5875df20ab0c82d713e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ddb5593f6336641bcfd8b5378cc61836ab4b5f454c9c5875df20ab0c82d713e4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for x in 0..listNum.len(){
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let sizeofthing = copyvec.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sizeofthing`
[INFO] [stderr]   --> src/main.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let sizeofthing = listNum.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sizeofthing`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `listNum` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut listNum = vec![5,8,6,2,3,4,6];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `list_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ch10_11-14f36636fb307485
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ddb5593f6336641bcfd8b5378cc61836ab4b5f454c9c5875df20ab0c82d713e4"`
[INFO] running `"docker" "rm" "-f" "ddb5593f6336641bcfd8b5378cc61836ab4b5f454c9c5875df20ab0c82d713e4"`
[INFO] [stdout] ddb5593f6336641bcfd8b5378cc61836ab4b5f454c9c5875df20ab0c82d713e4