[INFO] cloning repository https://github.com/alexryndin/lis2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexryndin/lis2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad890d5829527e01d53a7d95b20bd3e84f20f118
[INFO] testing alexryndin/lis2 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexryndin/lis2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexryndin/lis2
[INFO] finished tweaking git repo https://github.com/alexryndin/lis2
[INFO] tweaked toml for git repo https://github.com/alexryndin/lis2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/alexryndin/lis2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830c12ea2f020613f1d538af51c2226798fad40e6805b59332115ab5bbcdc59c
[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" "830c12ea2f020613f1d538af51c2226798fad40e6805b59332115ab5bbcdc59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830c12ea2f020613f1d538af51c2226798fad40e6805b59332115ab5bbcdc59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830c12ea2f020613f1d538af51c2226798fad40e6805b59332115ab5bbcdc59c", kill_on_drop: false }`
[INFO] [stdout] 830c12ea2f020613f1d538af51c2226798fad40e6805b59332115ab5bbcdc59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ee668b4ea8300c66ce697b0d660677bf3f49e613040cd67938f1bf9b856c2a5b
[INFO] running `Command { std: "docker" "start" "-a" "ee668b4ea8300c66ce697b0d660677bf3f49e613040cd67938f1bf9b856c2a5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lis2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::env::ParentEnv`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::env::ParentEnv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnvError`
[INFO] [stdout]  --> src/ast.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef, EnvError};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/builtin.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ast.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/ast.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let env = Env::new(None);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/env.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/builtin.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn lambda (mut val: Sexpr, env: EnvRef) -> Result<Val, ASTError> {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sym`
[INFO] [stdout]   --> src/ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sym: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/dummy.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test(v: u8) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/bin/dummy.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test(v: u8) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test(v: u8) {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/bin/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test(v: u8) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "ee668b4ea8300c66ce697b0d660677bf3f49e613040cd67938f1bf9b856c2a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee668b4ea8300c66ce697b0d660677bf3f49e613040cd67938f1bf9b856c2a5b", kill_on_drop: false }`
[INFO] [stdout] ee668b4ea8300c66ce697b0d660677bf3f49e613040cd67938f1bf9b856c2a5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9349b0e904957cde46bbd3ec27f54cabe52ed02d5fdea62e01927a0eb0fc8e2f
[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" "9349b0e904957cde46bbd3ec27f54cabe52ed02d5fdea62e01927a0eb0fc8e2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `crate::env::ParentEnv`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::env::ParentEnv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lis2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EnvError`
[INFO] [stdout]  --> src/ast.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef, EnvError};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/builtin.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ast.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/ast.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let env = Env::new(None);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/env.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/builtin.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn lambda (mut val: Sexpr, env: EnvRef) -> Result<Val, ASTError> {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sym`
[INFO] [stdout]   --> src/ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sym: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test(v: u8) {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/bin/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test(v: u8) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/dummy.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test(v: u8) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/bin/dummy.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test(v: u8) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::ParentEnv`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::env::ParentEnv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnvError`
[INFO] [stdout]  --> src/ast.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef, EnvError};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/builtin.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/parser.rs:120:56
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let out = Parser::new(&input).parse().unwrap().eval().unwrap();
[INFO] [stdout]     |                                                        ^^^^- supplied 0 arguments
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/ast.rs:333:12
[INFO] [stdout]     |
[INFO] [stdout] 333 |     pub fn eval(&self, env: EnvRef) -> Result<Val, ASTError> {
[INFO] [stdout]     |            ^^^^ -----  -----------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         assert_eq!(out, ValType::Number(Number::new(4)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Rc`, found enum `ast::ValType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<ast::ValType>`
[INFO] [stdout]                  found enum `ast::ValType`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lis2`
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9349b0e904957cde46bbd3ec27f54cabe52ed02d5fdea62e01927a0eb0fc8e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9349b0e904957cde46bbd3ec27f54cabe52ed02d5fdea62e01927a0eb0fc8e2f", kill_on_drop: false }`
[INFO] [stdout] 9349b0e904957cde46bbd3ec27f54cabe52ed02d5fdea62e01927a0eb0fc8e2f