[INFO] cloning repository https://github.com/wmmnola/Lambda_Calculus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wmmnola/Lambda_Calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmmnola%2FLambda_Calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmmnola%2FLambda_Calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8924441f9a07c1a8e050cb35fd66472df871b6ad
[INFO] testing wmmnola/Lambda_Calculus against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmmnola%2FLambda_Calculus" "/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/wmmnola/Lambda_Calculus on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wmmnola/Lambda_Calculus
[INFO] finished tweaking git repo https://github.com/wmmnola/Lambda_Calculus
[INFO] tweaked toml for git repo https://github.com/wmmnola/Lambda_Calculus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wmmnola/Lambda_Calculus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41d908dfdcc96151b540a569b620b5c693dcee6ad4362239df071515ccf6ccd0
[INFO] running `Command { std: "docker" "start" "-a" "41d908dfdcc96151b540a569b620b5c693dcee6ad4362239df071515ccf6ccd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d908dfdcc96151b540a569b620b5c693dcee6ad4362239df071515ccf6ccd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d908dfdcc96151b540a569b620b5c693dcee6ad4362239df071515ccf6ccd0", kill_on_drop: false }`
[INFO] [stdout] 41d908dfdcc96151b540a569b620b5c693dcee6ad4362239df071515ccf6ccd0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48bf35bf9f0b6e1ad03bec4f195baccec887045f737b4a44164e19bf4b7f3b7f
[INFO] running `Command { std: "docker" "start" "-a" "48bf35bf9f0b6e1ad03bec4f195baccec887045f737b4a44164e19bf4b7f3b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lambda_Calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nest_level`
[INFO] [stdout]   --> src/main.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse(input:&Vec<char>, nest_level: i32) -> bool{
[INFO] [stdout]    |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nest_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut f = Function::Function{variable: var, operation: op, nestlevel:1};
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Lambda_Calculus` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lambda_calculus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Function` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Function;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "48bf35bf9f0b6e1ad03bec4f195baccec887045f737b4a44164e19bf4b7f3b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bf35bf9f0b6e1ad03bec4f195baccec887045f737b4a44164e19bf4b7f3b7f", kill_on_drop: false }`
[INFO] [stdout] 48bf35bf9f0b6e1ad03bec4f195baccec887045f737b4a44164e19bf4b7f3b7f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 908e05d8575d09adda64dafae03c4cdf4c4152d8f57beb9fec04b73a1ec4c738
[INFO] running `Command { std: "docker" "start" "-a" "908e05d8575d09adda64dafae03c4cdf4c4152d8f57beb9fec04b73a1ec4c738", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lambda_Calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nest_level`
[INFO] [stdout]   --> src/main.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse(input:&Vec<char>, nest_level: i32) -> bool{
[INFO] [stdout]    |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nest_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut f = Function::Function{variable: var, operation: op, nestlevel:1};
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Lambda_Calculus` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lambda_calculus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Function` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Function;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "908e05d8575d09adda64dafae03c4cdf4c4152d8f57beb9fec04b73a1ec4c738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908e05d8575d09adda64dafae03c4cdf4c4152d8f57beb9fec04b73a1ec4c738", kill_on_drop: false }`
[INFO] [stdout] 908e05d8575d09adda64dafae03c4cdf4c4152d8f57beb9fec04b73a1ec4c738
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbea972091f8485e0778c33f06526ed0522581d250282434e10197e30759bd74
[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" "cbea972091f8485e0778c33f06526ed0522581d250282434e10197e30759bd74", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `nest_level`
[INFO] [stderr]   --> src/main.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn parse(input:&Vec<char>, nest_level: i32) -> bool{
[INFO] [stderr]    |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nest_level`
[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:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut f = Function::Function{variable: var, operation: op, nestlevel:1};
[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: crate `Lambda_Calculus` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lambda_calculus`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Function` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Function;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stderr] 
[INFO] [stderr] warning: `Lambda_Calculus` (bin "Lambda_Calculus" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Lambda_Calculus-ffcb6b6b141af131)
[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" "cbea972091f8485e0778c33f06526ed0522581d250282434e10197e30759bd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbea972091f8485e0778c33f06526ed0522581d250282434e10197e30759bd74", kill_on_drop: false }`
[INFO] [stdout] cbea972091f8485e0778c33f06526ed0522581d250282434e10197e30759bd74