[INFO] fetching crate libcalc 0.0.1...
[INFO] testing libcalc-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate libcalc 0.0.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate libcalc 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcalc 0.0.1
[INFO] finished tweaking crates.io crate libcalc 0.0.1
[INFO] tweaked toml for crates.io crate libcalc 0.0.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 298ba64bb01ab1194ce52c1e74ffd4a4306dfcc11392fa159c12c02a1faf0f88
[INFO] running `Command { std: "docker" "start" "-a" "298ba64bb01ab1194ce52c1e74ffd4a4306dfcc11392fa159c12c02a1faf0f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298ba64bb01ab1194ce52c1e74ffd4a4306dfcc11392fa159c12c02a1faf0f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298ba64bb01ab1194ce52c1e74ffd4a4306dfcc11392fa159c12c02a1faf0f88", kill_on_drop: false }`
[INFO] [stdout] 298ba64bb01ab1194ce52c1e74ffd4a4306dfcc11392fa159c12c02a1faf0f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254b3f16aca54db602dca19106a902deaaace55eea4ced3760de62093b61d771
[INFO] running `Command { std: "docker" "start" "-a" "254b3f16aca54db602dca19106a902deaaace55eea4ced3760de62093b61d771", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for i in 1..y{
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Calculator_functions` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Calculator_functions{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator_functions`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Power_functions` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |    pub mod Power_functions{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `power_functions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "254b3f16aca54db602dca19106a902deaaace55eea4ced3760de62093b61d771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254b3f16aca54db602dca19106a902deaaace55eea4ced3760de62093b61d771", kill_on_drop: false }`
[INFO] [stdout] 254b3f16aca54db602dca19106a902deaaace55eea4ced3760de62093b61d771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58d3c78c0e2483fb8834fd160bdb64e573f5f6d076941de3c79eaf3918b0ed5
[INFO] running `Command { std: "docker" "start" "-a" "b58d3c78c0e2483fb8834fd160bdb64e573f5f6d076941de3c79eaf3918b0ed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for i in 1..y{
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Calculator_functions` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Calculator_functions{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator_functions`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Power_functions` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |    pub mod Power_functions{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `power_functions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for i in 1..y{
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Calculator_functions` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Calculator_functions{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator_functions`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Power_functions` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |    pub mod Power_functions{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `power_functions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcalc-abd9e81b228cb738)
[INFO] running `Command { std: "docker" "inspect" "b58d3c78c0e2483fb8834fd160bdb64e573f5f6d076941de3c79eaf3918b0ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58d3c78c0e2483fb8834fd160bdb64e573f5f6d076941de3c79eaf3918b0ed5", kill_on_drop: false }`
[INFO] [stdout] b58d3c78c0e2483fb8834fd160bdb64e573f5f6d076941de3c79eaf3918b0ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f7ce04ada1bd9ddd30027eb7fada09e4b069de3e5678f47052505346a0dcaa1
[INFO] running `Command { std: "docker" "start" "-a" "5f7ce04ada1bd9ddd30027eb7fada09e4b069de3e5678f47052505346a0dcaa1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/lib.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |             for i in 1..y{
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Calculator_functions` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Calculator_functions{
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `calculator_functions`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Power_functions` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |    pub mod Power_functions{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `power_functions`
[INFO] [stderr] 
[INFO] [stderr] warning: `libcalc` (lib) generated 3 warnings
[INFO] [stderr] warning: `libcalc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcalc-abd9e81b228cb738)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcalc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f7ce04ada1bd9ddd30027eb7fada09e4b069de3e5678f47052505346a0dcaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7ce04ada1bd9ddd30027eb7fada09e4b069de3e5678f47052505346a0dcaa1", kill_on_drop: false }`
[INFO] [stdout] 5f7ce04ada1bd9ddd30027eb7fada09e4b069de3e5678f47052505346a0dcaa1