[INFO] cloning repository https://github.com/Mabinogiysk/iou_range
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2Fiou_range'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e2053f8151fb45f9f90703538a8fed008604988
[INFO] testing Mabinogiysk/iou_range against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2Fiou_range" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mabinogiysk/iou_range on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Mabinogiysk/iou_range already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7bd92a3e4a766f5b7d06cb4ea77b795f810490fd4337d555bdf8d4a0e38b145
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7bd92a3e4a766f5b7d06cb4ea77b795f810490fd4337d555bdf8d4a0e38b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7bd92a3e4a766f5b7d06cb4ea77b795f810490fd4337d555bdf8d4a0e38b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bd92a3e4a766f5b7d06cb4ea77b795f810490fd4337d555bdf8d4a0e38b145", kill_on_drop: false }`
[INFO] [stdout] f7bd92a3e4a766f5b7d06cb4ea77b795f810490fd4337d555bdf8d4a0e38b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b5320b77ac9374ceae0bc907e1255b5966ee911f64c809906173c9782a1b05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36b5320b77ac9374ceae0bc907e1255b5966ee911f64c809906173c9782a1b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[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] [stdout] warning: type `random_box` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct random_box<R: Rng>{
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `RandomBox`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "36b5320b77ac9374ceae0bc907e1255b5966ee911f64c809906173c9782a1b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b5320b77ac9374ceae0bc907e1255b5966ee911f64c809906173c9782a1b05", kill_on_drop: false }`
[INFO] [stdout] 36b5320b77ac9374ceae0bc907e1255b5966ee911f64c809906173c9782a1b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cd96897bccec651f2eebea6cc9e181795bad899877dc7560629a65a1ca3a3b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35cd96897bccec651f2eebea6cc9e181795bad899877dc7560629a65a1ca3a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling iou_range v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `random_box` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct random_box<R: Rng>{
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `RandomBox`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "35cd96897bccec651f2eebea6cc9e181795bad899877dc7560629a65a1ca3a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cd96897bccec651f2eebea6cc9e181795bad899877dc7560629a65a1ca3a3b", kill_on_drop: false }`
[INFO] [stdout] 35cd96897bccec651f2eebea6cc9e181795bad899877dc7560629a65a1ca3a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81e0edcd53d5920938d2d327825f3344644eace77911ad8e191eaab64c3ebc80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81e0edcd53d5920938d2d327825f3344644eace77911ad8e191eaab64c3ebc80", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: type `random_box` should have an upper camel case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | struct random_box<R: Rng>{
[INFO] [stdout] 
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iou_range-40475d3ba5555613
[INFO] running `Command { std: "docker" "inspect" "81e0edcd53d5920938d2d327825f3344644eace77911ad8e191eaab64c3ebc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e0edcd53d5920938d2d327825f3344644eace77911ad8e191eaab64c3ebc80", kill_on_drop: false }`
[INFO] [stdout] 81e0edcd53d5920938d2d327825f3344644eace77911ad8e191eaab64c3ebc80