[INFO] cloning repository https://github.com/Mabinogiysk/iou_range
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mabinogiysk/iou_range" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2Fiou_range"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2Fiou_range'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e2053f8151fb45f9f90703538a8fed008604988
[INFO] testing Mabinogiysk/iou_range against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2Fiou_range" "/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/Mabinogiysk/iou_range 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/Mabinogiysk/iou_range
[INFO] finished tweaking git repo https://github.com/Mabinogiysk/iou_range
[INFO] tweaked toml for git repo https://github.com/Mabinogiysk/iou_range written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Mabinogiysk/iou_range 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-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" "+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] b3ca6d9fb0adde78b5455386881df15691b7cc6333493c0ab1327c6ace54c1f6
[INFO] running `"docker" "start" "-a" "b3ca6d9fb0adde78b5455386881df15691b7cc6333493c0ab1327c6ace54c1f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling iou_range v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `random_box` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct random_box<R: Rng>{
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `RandomBox`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `"docker" "inspect" "b3ca6d9fb0adde78b5455386881df15691b7cc6333493c0ab1327c6ace54c1f6"`
[INFO] running `"docker" "rm" "-f" "b3ca6d9fb0adde78b5455386881df15691b7cc6333493c0ab1327c6ace54c1f6"`
[INFO] [stdout] b3ca6d9fb0adde78b5455386881df15691b7cc6333493c0ab1327c6ace54c1f6
[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" "+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] 5c90d6d8bd601908568b6c4d57bb06f7f14ddf32970f41795ed03500652a2419
[INFO] running `"docker" "start" "-a" "5c90d6d8bd601908568b6c4d57bb06f7f14ddf32970f41795ed03500652a2419"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling iou_range v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `random_box` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct random_box<R: Rng>{
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `RandomBox`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "5c90d6d8bd601908568b6c4d57bb06f7f14ddf32970f41795ed03500652a2419"`
[INFO] running `"docker" "rm" "-f" "5c90d6d8bd601908568b6c4d57bb06f7f14ddf32970f41795ed03500652a2419"`
[INFO] [stdout] 5c90d6d8bd601908568b6c4d57bb06f7f14ddf32970f41795ed03500652a2419
[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" "+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] 6a6391c3688571d33e617519a2e3aabc229d9a605a4f81543aa797c989fda89a
[INFO] running `"docker" "start" "-a" "6a6391c3688571d33e617519a2e3aabc229d9a605a4f81543aa797c989fda89a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: type `random_box` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct random_box<R: Rng>{
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `RandomBox`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iou_range-8e4579169c09f4c6
[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" "6a6391c3688571d33e617519a2e3aabc229d9a605a4f81543aa797c989fda89a"`
[INFO] running `"docker" "rm" "-f" "6a6391c3688571d33e617519a2e3aabc229d9a605a4f81543aa797c989fda89a"`
[INFO] [stdout] 6a6391c3688571d33e617519a2e3aabc229d9a605a4f81543aa797c989fda89a