[INFO] cloning repository https://github.com/janglada/yahtzee_upper [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janglada/yahtzee_upper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fyahtzee_upper"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fyahtzee_upper'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 33b568d9913b7d6b84eefe3da256b6bf88be43e5 [INFO] testing janglada/yahtzee_upper against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fyahtzee_upper" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/janglada/yahtzee_upper 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/janglada/yahtzee_upper [INFO] finished tweaking git repo https://github.com/janglada/yahtzee_upper [INFO] tweaked toml for git repo https://github.com/janglada/yahtzee_upper written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/janglada/yahtzee_upper 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2aab5732bee860e71f1eeaf63d45faab09528d6fc9122a0c11e821a8f1a49a51 [INFO] running `"docker" "start" "-a" "2aab5732bee860e71f1eeaf63d45faab09528d6fc9122a0c11e821a8f1a49a51"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling elapsed v0.1.2 [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::num::ParseIntError` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::num::ParseIntError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:19:19 [INFO] [stderr] | [INFO] [stderr] 19 | let (elapsed, sum) = measure_time(|| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 32 | let val = match counter.get(&num) { [INFO] [stderr] | ------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 36 | counter.insert(num, val + num); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `"docker" "inspect" "2aab5732bee860e71f1eeaf63d45faab09528d6fc9122a0c11e821a8f1a49a51"` [INFO] running `"docker" "rm" "-f" "2aab5732bee860e71f1eeaf63d45faab09528d6fc9122a0c11e821a8f1a49a51"` [INFO] [stdout] 2aab5732bee860e71f1eeaf63d45faab09528d6fc9122a0c11e821a8f1a49a51 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1c003a0f92727f652782b88c3899f9a1f95abff97897583f689c4191f0189591 [INFO] running `"docker" "start" "-a" "1c003a0f92727f652782b88c3899f9a1f95abff97897583f689c4191f0189591"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::num::ParseIntError` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::num::ParseIntError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:19:19 [INFO] [stderr] | [INFO] [stderr] 19 | let (elapsed, sum) = measure_time(|| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 32 | let val = match counter.get(&num) { [INFO] [stderr] | ------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 36 | counter.insert(num, val + num); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `"docker" "inspect" "1c003a0f92727f652782b88c3899f9a1f95abff97897583f689c4191f0189591"` [INFO] running `"docker" "rm" "-f" "1c003a0f92727f652782b88c3899f9a1f95abff97897583f689c4191f0189591"` [INFO] [stdout] 1c003a0f92727f652782b88c3899f9a1f95abff97897583f689c4191f0189591 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 99cd857048705f5f3515549b8b10597d7c9be99a88f99f990225025c2d711240 [INFO] running `"docker" "start" "-a" "99cd857048705f5f3515549b8b10597d7c9be99a88f99f990225025c2d711240"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::num::ParseIntError` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::num::ParseIntError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:19:19 [INFO] [stderr] | [INFO] [stderr] 19 | let (elapsed, sum) = measure_time(|| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 32 | let val = match counter.get(&num) { [INFO] [stderr] | ------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 36 | counter.insert(num, val + num); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dailyprogrammer-6694e558a5af7936 [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" "99cd857048705f5f3515549b8b10597d7c9be99a88f99f990225025c2d711240"` [INFO] running `"docker" "rm" "-f" "99cd857048705f5f3515549b8b10597d7c9be99a88f99f990225025c2d711240"` [INFO] [stdout] 99cd857048705f5f3515549b8b10597d7c9be99a88f99f990225025c2d711240