[INFO] updating cached repository https://github.com/mbrimmer83/RustLearner [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] c3323ce5c60f44b5abc9d2ea4263db056dfc3f01 [INFO] testing mbrimmer83/RustLearner against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrimmer83%2FRustLearner" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mbrimmer83/RustLearner 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/mbrimmer83/RustLearner [INFO] finished tweaking git repo https://github.com/mbrimmer83/RustLearner [INFO] tweaked toml for git repo https://github.com/mbrimmer83/RustLearner written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/mbrimmer83/RustLearner 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] [stderr] warning: unused manifest key: package.aurthors [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 907af43f3a852b923d3d52ed3979861ac1998020aca0a7609531f95195c5693a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "907af43f3a852b923d3d52ed3979861ac1998020aca0a7609531f95195c5693a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: package.aurthors [INFO] [stderr] Compiling rust_learner v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/match_state.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: multiple patterns covering the same range [INFO] [stderr] --> src/match_state.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 9 | 1 => "USA", [INFO] [stderr] | - this range overlaps on `1i32` [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^^^^^ overlapping patterns [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(overlapping_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | let a = 123; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut c = 123456789; // 32-bit signed i32 [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:7 [INFO] [stderr] | [INFO] [stderr] 51 | let mut a = 2 + 2 * 2; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MEANING_OF_LIFE` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const MEANING_OF_LIFE:u8 = 42; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `ANOTHER_CONST` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | static mut ANOTHER_CONST:i32 = 123; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `integers` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn integers() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `operators` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn operators() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `scope` [INFO] [stderr] --> src/main.rs:73:4 [INFO] [stderr] | [INFO] [stderr] 73 | fn scope() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/struct_type.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | let myLine = Line { start: p, end: p2 }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "907af43f3a852b923d3d52ed3979861ac1998020aca0a7609531f95195c5693a"` [INFO] running `"docker" "rm" "-f" "907af43f3a852b923d3d52ed3979861ac1998020aca0a7609531f95195c5693a"` [INFO] [stdout] 907af43f3a852b923d3d52ed3979861ac1998020aca0a7609531f95195c5693a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 68e4ffc2fbf93eff3d0e2c18bc749bbfbe2e940e8b4f7a2e23be09e6b1123d18 [INFO] running `"docker" "start" "-a" "68e4ffc2fbf93eff3d0e2c18bc749bbfbe2e940e8b4f7a2e23be09e6b1123d18"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: package.aurthors [INFO] [stderr] Compiling rust_learner v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/match_state.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: multiple patterns covering the same range [INFO] [stderr] --> src/match_state.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 9 | 1 => "USA", [INFO] [stderr] | - this range overlaps on `1i32` [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^^^^^ overlapping patterns [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(overlapping_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | let a = 123; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut c = 123456789; // 32-bit signed i32 [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:7 [INFO] [stderr] | [INFO] [stderr] 51 | let mut a = 2 + 2 * 2; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MEANING_OF_LIFE` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const MEANING_OF_LIFE:u8 = 42; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `ANOTHER_CONST` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | static mut ANOTHER_CONST:i32 = 123; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `integers` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn integers() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `operators` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn operators() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `scope` [INFO] [stderr] --> src/main.rs:73:4 [INFO] [stderr] | [INFO] [stderr] 73 | fn scope() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/struct_type.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | let myLine = Line { start: p, end: p2 }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "68e4ffc2fbf93eff3d0e2c18bc749bbfbe2e940e8b4f7a2e23be09e6b1123d18"` [INFO] running `"docker" "rm" "-f" "68e4ffc2fbf93eff3d0e2c18bc749bbfbe2e940e8b4f7a2e23be09e6b1123d18"` [INFO] [stdout] 68e4ffc2fbf93eff3d0e2c18bc749bbfbe2e940e8b4f7a2e23be09e6b1123d18 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6b897d3e567ab10c1c8e535b5ece1735b6848e9d401d902dc6bb1fe48f3b445a [INFO] running `"docker" "start" "-a" "6b897d3e567ab10c1c8e535b5ece1735b6848e9d401d902dc6bb1fe48f3b445a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: package.aurthors [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/match_state.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: multiple patterns covering the same range [INFO] [stderr] --> src/match_state.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 9 | 1 => "USA", [INFO] [stderr] | - this range overlaps on `1i32` [INFO] [stderr] 10 | 1...999 => "Unkown", // Range between 1 and 999 inclusive and is required [INFO] [stderr] | ^^^^^^^ overlapping patterns [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(overlapping_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | let a = 123; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut c = 123456789; // 32-bit signed i32 [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:7 [INFO] [stderr] | [INFO] [stderr] 51 | let mut a = 2 + 2 * 2; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MEANING_OF_LIFE` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const MEANING_OF_LIFE:u8 = 42; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `ANOTHER_CONST` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | static mut ANOTHER_CONST:i32 = 123; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `integers` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn integers() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `operators` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn operators() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `scope` [INFO] [stderr] --> src/main.rs:73:4 [INFO] [stderr] | [INFO] [stderr] 73 | fn scope() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/struct_type.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | let myLine = Line { start: p, end: p2 }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_learner-037f7e9a062f4fa1 [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" "6b897d3e567ab10c1c8e535b5ece1735b6848e9d401d902dc6bb1fe48f3b445a"` [INFO] running `"docker" "rm" "-f" "6b897d3e567ab10c1c8e535b5ece1735b6848e9d401d902dc6bb1fe48f3b445a"` [INFO] [stdout] 6b897d3e567ab10c1c8e535b5ece1735b6848e9d401d902dc6bb1fe48f3b445a