[INFO] updating cached repository https://github.com/ian-pacheco/RustCrashCourse [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] 891d6754cd720ce96d587373b6058125ff7c9d6d [INFO] testing ian-pacheco/RustCrashCourse against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fian-pacheco%2FRustCrashCourse" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ian-pacheco/RustCrashCourse 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/ian-pacheco/RustCrashCourse [INFO] finished tweaking git repo https://github.com/ian-pacheco/RustCrashCourse [INFO] tweaked toml for git repo https://github.com/ian-pacheco/RustCrashCourse written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/ian-pacheco/RustCrashCourse 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 42c334aabcb3c6e513032c775e6150a9ff4bbf3f6a5f95488219531255991db1 [INFO] running `"docker" "start" "-a" "42c334aabcb3c6e513032c775e6150a9ff4bbf3f6a5f95488219531255991db1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `inferred_type` is never read [INFO] [stderr] --> src/vars.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/vars.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/vars.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `"docker" "inspect" "42c334aabcb3c6e513032c775e6150a9ff4bbf3f6a5f95488219531255991db1"` [INFO] running `"docker" "rm" "-f" "42c334aabcb3c6e513032c775e6150a9ff4bbf3f6a5f95488219531255991db1"` [INFO] [stdout] 42c334aabcb3c6e513032c775e6150a9ff4bbf3f6a5f95488219531255991db1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e26dfbee9e7769632c19703cf6d7f4f6e2affd99980c906329240b0abe296523 [INFO] running `"docker" "start" "-a" "e26dfbee9e7769632c19703cf6d7f4f6e2affd99980c906329240b0abe296523"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `inferred_type` is never read [INFO] [stderr] --> src/vars.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/vars.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/vars.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "e26dfbee9e7769632c19703cf6d7f4f6e2affd99980c906329240b0abe296523"` [INFO] running `"docker" "rm" "-f" "e26dfbee9e7769632c19703cf6d7f4f6e2affd99980c906329240b0abe296523"` [INFO] [stdout] e26dfbee9e7769632c19703cf6d7f4f6e2affd99980c906329240b0abe296523 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0f2b20b8297decdb5679c0aed525f6127653054414e03fb73e15f9f9121da46c [INFO] running `"docker" "start" "-a" "0f2b20b8297decdb5679c0aed525f6127653054414e03fb73e15f9f9121da46c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: value assigned to `inferred_type` is never read [INFO] [stderr] --> src/vars.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/vars.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/vars.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [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/hello_cargo-c7f7d2cca8645d99 [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" "0f2b20b8297decdb5679c0aed525f6127653054414e03fb73e15f9f9121da46c"` [INFO] running `"docker" "rm" "-f" "0f2b20b8297decdb5679c0aed525f6127653054414e03fb73e15f9f9121da46c"` [INFO] [stdout] 0f2b20b8297decdb5679c0aed525f6127653054414e03fb73e15f9f9121da46c