[INFO] updating cached repository https://github.com/rajcspsg/ProgrammingRust
[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] b7cb90349fc0ac55f4a86ef339b04b87bdba2a11
[INFO] testing rajcspsg/ProgrammingRust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajcspsg%2FProgrammingRust" "/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/rajcspsg/ProgrammingRust 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/rajcspsg/ProgrammingRust
[INFO] finished tweaking git repo https://github.com/rajcspsg/ProgrammingRust
[INFO] tweaked toml for git repo https://github.com/rajcspsg/ProgrammingRust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rajcspsg/ProgrammingRust 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-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" "+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] d3d7aa37b8e054f0c74a156d915d2c9de871a7aa51434d352f40eaf161f250d2
[INFO] running `"docker" "start" "-a" "d3d7aa37b8e054f0c74a156d915d2c9de871a7aa51434d352f40eaf161f250d2"`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ProgrammingRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: crate `ProgrammingRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `programming_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "d3d7aa37b8e054f0c74a156d915d2c9de871a7aa51434d352f40eaf161f250d2"`
[INFO] running `"docker" "rm" "-f" "d3d7aa37b8e054f0c74a156d915d2c9de871a7aa51434d352f40eaf161f250d2"`
[INFO] [stdout] d3d7aa37b8e054f0c74a156d915d2c9de871a7aa51434d352f40eaf161f250d2
[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" "+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] b383cadd2e171c4c8fc7e11081b1d59a8055e749657fb75beb62001fedd57235
[INFO] running `"docker" "start" "-a" "b383cadd2e171c4c8fc7e11081b1d59a8055e749657fb75beb62001fedd57235"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ProgrammingRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: crate `ProgrammingRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `programming_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ProgrammingRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `programming_rust`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `chapter1`
[INFO] [stderr]  --> tests/gcd.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 |   use chapter1;
[INFO] [stderr]   |       ^^^^^^^^ no `chapter1` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `gcd` in this scope
[INFO] [stderr]   --> tests/gcd.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |         assert_eq!(gcd(15, 14), 1);
[INFO] [stderr]    |                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `ProgrammingRust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b383cadd2e171c4c8fc7e11081b1d59a8055e749657fb75beb62001fedd57235"`
[INFO] running `"docker" "rm" "-f" "b383cadd2e171c4c8fc7e11081b1d59a8055e749657fb75beb62001fedd57235"`
[INFO] [stdout] b383cadd2e171c4c8fc7e11081b1d59a8055e749657fb75beb62001fedd57235