[INFO] cloning repository https://github.com/tawashichan/untyped_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/tawashichan/untyped_lambda_calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Funtyped_lambda_calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Funtyped_lambda_calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36470b89855464df2e4dbc53f58501fb55188d98
[INFO] testing tawashichan/untyped_lambda_calculus against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Funtyped_lambda_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/tawashichan/untyped_lambda_calculus on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tawashichan/untyped_lambda_calculus
[INFO] finished tweaking git repo https://github.com/tawashichan/untyped_lambda_calculus
[INFO] tweaked toml for git repo https://github.com/tawashichan/untyped_lambda_calculus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tawashichan/untyped_lambda_calculus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9adc90861255ca7066325396349e413b1a439e1d11ed139d6520540ddb87716
[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" "a9adc90861255ca7066325396349e413b1a439e1d11ed139d6520540ddb87716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9adc90861255ca7066325396349e413b1a439e1d11ed139d6520540ddb87716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9adc90861255ca7066325396349e413b1a439e1d11ed139d6520540ddb87716", kill_on_drop: false }`
[INFO] [stdout] a9adc90861255ca7066325396349e413b1a439e1d11ed139d6520540ddb87716
[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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9922e1b1b0afc9ffb0cb1310e8bad91e6054cb8dc9fba619f5f9daa569846604
[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" "9922e1b1b0afc9ffb0cb1310e8bad91e6054cb8dc9fba619f5f9daa569846604", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanoid v0.1.3
[INFO] [stderr]    Compiling untyped_lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         _ => vec![]
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/main.rs:224:47
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let app = (0..num).fold(init,|acm,num|
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Assignment`
[INFO] [stdout]  --> src/ast.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Assignment = (String,Lambda);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Term`
[INFO] [stdout]  --> src/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Term(Var),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Abstruct`
[INFO] [stdout]  --> src/ast.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Abstruct(Var,Box<Lambda>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `App`
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     App(Box<Lambda>,Box<Lambda>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `t`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn t() -> Lambda {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn f() -> Lambda {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cond`
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn cond() -> Lambda {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `free_var`
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn free_var(exp: &Lambda) -> Vec<Var>{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn assign(target: Lambda,var_name: String,exp: Lambda) -> Lambda {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `beta_reduction`
[INFO] [stdout]   --> src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn beta_reduction(exp: Lambda) -> Lambda {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `beta_reduction_multiple`
[INFO] [stdout]    --> src/main.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn beta_reduction_multiple(exp: Lambda) -> Lambda {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_unique_type_var_name`
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn gen_unique_type_var_name() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zero`
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn zero() -> Lambda {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn one() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn two() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `three`
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn three() -> Lambda {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `succ`
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn succ() -> Lambda {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]    --> src/main.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn add() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n`
[INFO] [stdout]    --> src/main.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn n(num: i64) -> Lambda {
[INFO] [stdout]     |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]    --> src/main.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn mul() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp`
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn exp() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_zero`
[INFO] [stdout]    --> src/main.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn is_zero() -> Lambda {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alpha_equivalence`
[INFO] [stdout]    --> src/main.rs:295:4
[INFO] [stdout]     |
[INFO] [stdout] 295 | fn alpha_equivalence(exp1: Lambda,exp2: Lambda) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prod_n`
[INFO] [stdout]    --> src/main.rs:313:4
[INFO] [stdout]     |
[INFO] [stdout] 313 | fn prod_n(n: i64) -> Lambda {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prod_n_i`
[INFO] [stdout]    --> src/main.rs:336:4
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn prod_n_i(n: i64,i: i64) -> Lambda {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `turing_y_combinator`
[INFO] [stdout]    --> src/main.rs:345:4
[INFO] [stdout]     |
[INFO] [stdout] 345 | fn turing_y_combinator() -> Lambda {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pred`
[INFO] [stdout]    --> src/main.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn pred() -> Lambda {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]    --> src/main.rs:422:4
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn sub() -> Lambda {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fact`
[INFO] [stdout]    --> src/main.rs:438:4
[INFO] [stdout]     |
[INFO] [stdout] 438 | fn fact() -> Lambda {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "9922e1b1b0afc9ffb0cb1310e8bad91e6054cb8dc9fba619f5f9daa569846604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9922e1b1b0afc9ffb0cb1310e8bad91e6054cb8dc9fba619f5f9daa569846604", kill_on_drop: false }`
[INFO] [stdout] 9922e1b1b0afc9ffb0cb1310e8bad91e6054cb8dc9fba619f5f9daa569846604
[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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd99e3968a169bf0f0e4771eed31caf10528dbbdc6c82f28ac32049c417f0b3d
[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" "dd99e3968a169bf0f0e4771eed31caf10528dbbdc6c82f28ac32049c417f0b3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling untyped_lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         _ => vec![]
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/main.rs:224:47
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let app = (0..num).fold(init,|acm,num|
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Assignment`
[INFO] [stdout]  --> src/ast.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Assignment = (String,Lambda);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "dd99e3968a169bf0f0e4771eed31caf10528dbbdc6c82f28ac32049c417f0b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd99e3968a169bf0f0e4771eed31caf10528dbbdc6c82f28ac32049c417f0b3d", kill_on_drop: false }`
[INFO] [stdout] dd99e3968a169bf0f0e4771eed31caf10528dbbdc6c82f28ac32049c417f0b3d
[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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e05b57a2eefe8be2c04f1b63e65f2a8d78fb5d817d39cdbf3da4c68327d7e2d4
[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" "e05b57a2eefe8be2c04f1b63e65f2a8d78fb5d817d39cdbf3da4c68327d7e2d4", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         _ => vec![]
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/main.rs:224:47
[INFO] [stderr]     |
[INFO] [stderr] 224 |             let app = (0..num).fold(init,|acm,num|
[INFO] [stderr]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Assignment`
[INFO] [stderr]  --> src/ast.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type Assignment = (String,Lambda);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/untyped_lambda-31a51d3c72fe908e
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test cond_false ... ok
[INFO] [stdout] test cond_false_multiple ... ok
[INFO] [stdout] test alpha_equivalence_test ... ok
[INFO] [stdout] test free_var_one ... ok
[INFO] [stdout] test free_var_succ ... ok
[INFO] [stdout] test cond_true_multiple ... ok
[INFO] [stdout] test free_var_add ... ok
[INFO] [stdout] test exp_one ... ok
[INFO] [stdout] test is_one_add_one_add_one_three ... ok
[INFO] [stdout] test is_one_add_one_succ_succ_zero ... ok
[INFO] [stdout] test is_one_add_one_two ... ok
[INFO] [stdout] test exp_two ... ok
[INFO] [stdout] test cond_true ... ok
[INFO] [stdout] test is_zero_add_one_one ... ok
[INFO] [stdout] test is_one_add_zero_one ... ok
[INFO] [stdout] test is_succ_succ_zero_two ... ok
[INFO] [stdout] test is_succ_two_three ... ok
[INFO] [stdout] test is_succ_succ_succ_zero_three ... ok
[INFO] [stdout] test is_succ_zero_one ... ok
[INFO] [stdout] test assign_test ... ok
[INFO] [stdout] test is_pred_two_one ... ok
[INFO] [stdout] test is_zero_add_zero_zero ... ok
[INFO] [stdout] test is_succ_one_two ... ok
[INFO] [stdout] test is_zero_normal_form ... ok
[INFO] [stdout] test n_0 ... ok
[INFO] [stdout] test is_zero_test ... ok
[INFO] [stdout] test n_1 ... ok
[INFO] [stdout] test one_sub_one_zero ... ok
[INFO] [stdout] test n_add_one_is_succ_n ... ok
[INFO] [stdout] test one_mul_two ... ok
[INFO] [stdout] test one_mul_one_mul_one ... ok
[INFO] [stdout] test free_var_zero ... ok
[INFO] [stdout] test one_mul_zero ... ok
[INFO] [stdout] test prod_n_i_test ... ok
[INFO] [stdout] test prod_n_i_test2 ... ok
[INFO] [stdout] test prod_n_i_test3 ... ok
[INFO] [stdout] test prod_n_test_three ... ok
[INFO] [stdout] test prod_test ... ok
[INFO] [stdout] test is_pred_one_zero ... ok
[INFO] [stdout] test five_sub_one_four ... ok
[INFO] [stdout] test two_mul_four ... ok
[INFO] [stdout] test prod_n_test_one ... ok
[INFO] [stdout] test two_mul_two_mul_two ... ok
[INFO] [stdout] test succ_reduction_succ_zero_is_two ... ok
[INFO] [stdout] test five_sub_three_two ... ok
[INFO] [stdout] test zero_mul_zero ... ok
[INFO] [stdout] test five_mul_ten ... ok
[INFO] [stdout] test fact_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e05b57a2eefe8be2c04f1b63e65f2a8d78fb5d817d39cdbf3da4c68327d7e2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05b57a2eefe8be2c04f1b63e65f2a8d78fb5d817d39cdbf3da4c68327d7e2d4", kill_on_drop: false }`
[INFO] [stdout] e05b57a2eefe8be2c04f1b63e65f2a8d78fb5d817d39cdbf3da4c68327d7e2d4