[INFO] cloning repository https://github.com/GabrielBueno/calcrr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielBueno/calcrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 411e3daf96559bba698c26e1b53be217c6c1324f
[INFO] testing GabrielBueno/calcrr against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielBueno/calcrr on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] finished tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] tweaked toml for git repo https://github.com/GabrielBueno/calcrr written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielBueno/calcrr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 3c26f2232ebeac20a5b2336eb14b6427e907ffd29f467be3ec9e5739000cefd8
[INFO] running `"docker" "start" "-a" "3c26f2232ebeac20a5b2336eb14b6427e907ffd29f467be3ec9e5739000cefd8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling calcrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `head`
[INFO] [stderr]   --> src/lexer.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/lexer.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "3c26f2232ebeac20a5b2336eb14b6427e907ffd29f467be3ec9e5739000cefd8"`
[INFO] running `"docker" "rm" "-f" "3c26f2232ebeac20a5b2336eb14b6427e907ffd29f467be3ec9e5739000cefd8"`
[INFO] [stdout] 3c26f2232ebeac20a5b2336eb14b6427e907ffd29f467be3ec9e5739000cefd8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 73fdc4ae75bd31a881dc6cbc9365a2ab980ad0fa0f6af50be6fe923979e285bf
[INFO] running `"docker" "start" "-a" "73fdc4ae75bd31a881dc6cbc9365a2ab980ad0fa0f6af50be6fe923979e285bf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling calcrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `head`
[INFO] [stderr]   --> src/lexer.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/lexer.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "73fdc4ae75bd31a881dc6cbc9365a2ab980ad0fa0f6af50be6fe923979e285bf"`
[INFO] running `"docker" "rm" "-f" "73fdc4ae75bd31a881dc6cbc9365a2ab980ad0fa0f6af50be6fe923979e285bf"`
[INFO] [stdout] 73fdc4ae75bd31a881dc6cbc9365a2ab980ad0fa0f6af50be6fe923979e285bf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] a3db9cf2a043e30cf0f3b9ac8f61bb492be4f1f205a7087b04752d34b4e2a36b
[INFO] running `"docker" "start" "-a" "a3db9cf2a043e30cf0f3b9ac8f61bb492be4f1f205a7087b04752d34b4e2a36b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `head`
[INFO] [stderr]   --> src/lexer.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/lexer.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calcrr-bb864e1e4fe95e1c
[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" "a3db9cf2a043e30cf0f3b9ac8f61bb492be4f1f205a7087b04752d34b4e2a36b"`
[INFO] running `"docker" "rm" "-f" "a3db9cf2a043e30cf0f3b9ac8f61bb492be4f1f205a7087b04752d34b4e2a36b"`
[INFO] [stdout] a3db9cf2a043e30cf0f3b9ac8f61bb492be4f1f205a7087b04752d34b4e2a36b