[INFO] cloning repository https://github.com/fromheten/plato
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fromheten/plato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffromheten%2Fplato", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffromheten%2Fplato'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b6cc48fa80eb224eb632dd3ad2353a24abfa146
[INFO] building fromheten/plato against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffromheten%2Fplato" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fromheten/plato on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fromheten/plato
[INFO] finished tweaking git repo https://github.com/fromheten/plato
[INFO] tweaked toml for git repo https://github.com/fromheten/plato written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fromheten/plato already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpds v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d8e87289fae4c8e2f24fc9a75e448ececdb11fb68d6279b04c1de3ac9c08c8
[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" "12d8e87289fae4c8e2f24fc9a75e448ececdb11fb68d6279b04c1de3ac9c08c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d8e87289fae4c8e2f24fc9a75e448ececdb11fb68d6279b04c1de3ac9c08c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d8e87289fae4c8e2f24fc9a75e448ececdb11fb68d6279b04c1de3ac9c08c8", kill_on_drop: false }`
[INFO] [stdout] 12d8e87289fae4c8e2f24fc9a75e448ececdb11fb68d6279b04c1de3ac9c08c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1aaf071bba273b156343cec1f5ae591fa52cae652666e6ac2c1f012c4e61ab3
[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" "a1aaf071bba273b156343cec1f5ae591fa52cae652666e6ac2c1f012c4e61ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpds v0.3.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling sha3 v0.7.2
[INFO] [stderr]    Compiling plato v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]    --> src/main.rs:562:4
[INFO] [stdout]     |
[INFO] [stdout] 562 | fn type_of(expression: &Expression) -> &str {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `evaluate`
[INFO] [stdout]    --> src/main.rs:572:4
[INFO] [stdout]     |
[INFO] [stdout] 572 | fn evaluate(expression_given: Expression, context_given: Expression) -> Option<Expression> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `given_arguments`
[INFO] [stdout]    --> src/main.rs:663:4
[INFO] [stdout]     |
[INFO] [stdout] 663 | fn given_arguments(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lambda_args`
[INFO] [stdout]    --> src/main.rs:667:4
[INFO] [stdout]     |
[INFO] [stdout] 667 | fn lambda_args(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lambda_body`
[INFO] [stdout]    --> src/main.rs:671:4
[INFO] [stdout]     |
[INFO] [stdout] 671 | fn lambda_body(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rest_no_evaluate`
[INFO] [stdout]    --> src/main.rs:675:4
[INFO] [stdout]     |
[INFO] [stdout] 675 | fn rest_no_evaluate(e: Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rest`
[INFO] [stdout]    --> src/main.rs:692:4
[INFO] [stdout]     |
[INFO] [stdout] 692 | fn rest(e: Expression, context: Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zipmap`
[INFO] [stdout]    --> src/main.rs:719:4
[INFO] [stdout]     |
[INFO] [stdout] 719 | fn zipmap(vec0: Expression, vec1: Expression) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth_vector`
[INFO] [stdout]    --> src/main.rs:744:4
[INFO] [stdout]     |
[INFO] [stdout] 744 | fn nth_vector(e: Expression, n: usize) -> Result<Expression, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_test`
[INFO] [stdout]    --> src/main.rs:751:4
[INFO] [stdout]     |
[INFO] [stdout] 751 | fn eval_test(source_str: &str, context_source: &str, expectation: &str) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `id`
[INFO] [stdout]    --> src/main.rs:859:4
[INFO] [stdout]     |
[INFO] [stdout] 859 | fn id(expression: &Expression) -> String {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:624:53
[INFO] [stdout]     |
[INFO] [stdout] 624 | ...                   Err(error) => panic!(error),
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 624 |                                Err(error) => panic!("{}", error),
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 624 |                                Err(error) => std::panic::panic_any(error),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "a1aaf071bba273b156343cec1f5ae591fa52cae652666e6ac2c1f012c4e61ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1aaf071bba273b156343cec1f5ae591fa52cae652666e6ac2c1f012c4e61ab3", kill_on_drop: false }`
[INFO] [stdout] a1aaf071bba273b156343cec1f5ae591fa52cae652666e6ac2c1f012c4e61ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d18ab2481394364015a9ae14c6f9ff6b38fa3056f5a0e5155a51859f67ea33
[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" "e7d18ab2481394364015a9ae14c6f9ff6b38fa3056f5a0e5155a51859f67ea33", kill_on_drop: false }`
[INFO] [stderr]    Compiling plato v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:624:53
[INFO] [stdout]     |
[INFO] [stdout] 624 | ...                   Err(error) => panic!(error),
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 624 |                                Err(error) => panic!("{}", error),
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 624 |                                Err(error) => std::panic::panic_any(error),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "e7d18ab2481394364015a9ae14c6f9ff6b38fa3056f5a0e5155a51859f67ea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d18ab2481394364015a9ae14c6f9ff6b38fa3056f5a0e5155a51859f67ea33", kill_on_drop: false }`
[INFO] [stdout] e7d18ab2481394364015a9ae14c6f9ff6b38fa3056f5a0e5155a51859f67ea33
