[INFO] updating cached repository https://github.com/spacekookie/redisish-tester
[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] d857e523fd34cb5cf4f15e3cafbad0741efa4c4f
[INFO] testing spacekookie/redisish-tester against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fredisish-tester" "/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/spacekookie/redisish-tester 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/spacekookie/redisish-tester
[INFO] finished tweaking git repo https://github.com/spacekookie/redisish-tester
[INFO] tweaked toml for git repo https://github.com/spacekookie/redisish-tester written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/spacekookie/redisish-tester 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] 6eaf39b135432c337b7ad81c22175f029c03ae87f149a53d9aacb520f202f51c
[INFO] running `"docker" "start" "-a" "6eaf39b135432c337b7ad81c22175f029c03ae87f149a53d9aacb520f202f51c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling redisish_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:70:15
[INFO] [stderr]    |
[INFO] [stderr] 70 |         .map(|i| {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `"docker" "inspect" "6eaf39b135432c337b7ad81c22175f029c03ae87f149a53d9aacb520f202f51c"`
[INFO] running `"docker" "rm" "-f" "6eaf39b135432c337b7ad81c22175f029c03ae87f149a53d9aacb520f202f51c"`
[INFO] [stdout] 6eaf39b135432c337b7ad81c22175f029c03ae87f149a53d9aacb520f202f51c
[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] [stdout] e71b3e726fc51b231e0738ff2d0f1e2ad06f4b0d400800114ffc1dffa6c473a9
[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" "e71b3e726fc51b231e0738ff2d0f1e2ad06f4b0d400800114ffc1dffa6c473a9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling redisish_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:70:15
[INFO] [stderr]    |
[INFO] [stderr] 70 |         .map(|i| {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "e71b3e726fc51b231e0738ff2d0f1e2ad06f4b0d400800114ffc1dffa6c473a9"`
[INFO] running `"docker" "rm" "-f" "e71b3e726fc51b231e0738ff2d0f1e2ad06f4b0d400800114ffc1dffa6c473a9"`
[INFO] [stdout] e71b3e726fc51b231e0738ff2d0f1e2ad06f4b0d400800114ffc1dffa6c473a9
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b65abf57eb35aed9f150afb4ea1dddf861e7d9c2c01afb749996cffca92b9ef
[INFO] running `"docker" "start" "-a" "2b65abf57eb35aed9f150afb4ea1dddf861e7d9c2c01afb749996cffca92b9ef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:35
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write};
[INFO] [stdout] 
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:70:15
[INFO] [stderr]    |
[INFO] [stderr] 70 |         .map(|i| {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/redisish_tester-7dbe1aec16ee1928
[INFO] running `"docker" "inspect" "2b65abf57eb35aed9f150afb4ea1dddf861e7d9c2c01afb749996cffca92b9ef"`
[INFO] running `"docker" "rm" "-f" "2b65abf57eb35aed9f150afb4ea1dddf861e7d9c2c01afb749996cffca92b9ef"`
[INFO] [stdout] 2b65abf57eb35aed9f150afb4ea1dddf861e7d9c2c01afb749996cffca92b9ef