[INFO] cloning repository https://github.com/Elekrisk/shale
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Elekrisk/shale" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElekrisk%2Fshale", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElekrisk%2Fshale'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee28b296636f35f7269a1d8a3ba474e519354cb2
[INFO] testing Elekrisk/shale against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElekrisk%2Fshale" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Elekrisk/shale 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/Elekrisk/shale
[INFO] finished tweaking git repo https://github.com/Elekrisk/shale
[INFO] tweaked toml for git repo https://github.com/Elekrisk/shale written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/Elekrisk/shale 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767b8682bf0174e5d835284397dbd401de1efecc87004a455a7c2cb30f33b6f4
[INFO] running `Command { std: "docker" "start" "-a" "767b8682bf0174e5d835284397dbd401de1efecc87004a455a7c2cb30f33b6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767b8682bf0174e5d835284397dbd401de1efecc87004a455a7c2cb30f33b6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767b8682bf0174e5d835284397dbd401de1efecc87004a455a7c2cb30f33b6f4", kill_on_drop: false }`
[INFO] [stdout] 767b8682bf0174e5d835284397dbd401de1efecc87004a455a7c2cb30f33b6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23fdf55b832805b33d58704441ab369d8e45dc6a5d6cac8533a7832627aeba12
[INFO] running `Command { std: "docker" "start" "-a" "23fdf55b832805b33d58704441ab369d8e45dc6a5d6cac8533a7832627aeba12", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling shale v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `any::type_name`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::type_name, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_row_col`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn to_row_col(index: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ast.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConcreteLocation`
[INFO] [stdout]   --> src/ast.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ConcreteLocation(ConcreteLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Location` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Splat`
[INFO] [stdout]    --> src/ast.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Splat(Box<Expression>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BitAnd`
[INFO] [stdout]    --> src/ast.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     BitAnd,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Type`
[INFO] [stdout]  --> src/types.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Type {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_size`
[INFO] [stdout]   --> src/types.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_size(&self, types: &HashMap<TypeID, Type>) -> Result<usize, String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_align`
[INFO] [stdout]   --> src/types.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_align(&self, types: &HashMap<TypeID, Type>) -> Result<usize, String> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_stride`
[INFO] [stdout]   --> src/types.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_stride(&self, types: &HashMap<TypeID, Type>) -> Result<usize, String> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ConcreteStructType`
[INFO] [stdout]   --> src/types.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ConcreteStructType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_size`
[INFO] [stdout]   --> src/types.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn get_size(&self, types: &HashMap<TypeID, Type>) -> Result<usize, String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_align`
[INFO] [stdout]   --> src/types.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_align(&self, types: &HashMap<TypeID, Type>) -> Result<usize, String> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shale` due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "23fdf55b832805b33d58704441ab369d8e45dc6a5d6cac8533a7832627aeba12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fdf55b832805b33d58704441ab369d8e45dc6a5d6cac8533a7832627aeba12", kill_on_drop: false }`
[INFO] [stdout] 23fdf55b832805b33d58704441ab369d8e45dc6a5d6cac8533a7832627aeba12