[INFO] updating cached repository https://github.com/mathiasmagnusson/valiac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/mathiasmagnusson/valiac
[INFO] [stderr]    b06f2cd..ece36dd  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ece36ddf95af6057b8e250712e2d27878cb9f53d
[INFO] checking mathiasmagnusson/valiac against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiasmagnusson%2Fvaliac" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathiasmagnusson/valiac on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mathiasmagnusson/valiac
[INFO] finished tweaking git repo https://github.com/mathiasmagnusson/valiac
[INFO] tweaked toml for git repo https://github.com/mathiasmagnusson/valiac written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mathiasmagnusson/valiac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 407aaaab5de3970f2c4fa00e352915896db58953567e358369beefae6213078c
[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" "407aaaab5de3970f2c4fa00e352915896db58953567e358369beefae6213078c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407aaaab5de3970f2c4fa00e352915896db58953567e358369beefae6213078c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407aaaab5de3970f2c4fa00e352915896db58953567e358369beefae6213078c", kill_on_drop: false }`
[INFO] [stdout] 407aaaab5de3970f2c4fa00e352915896db58953567e358369beefae6213078c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dfd47415273144f9dfe074fc1824f55fc0ebdbfc07a03c7478aa2ff7ece685d
[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" "6dfd47415273144f9dfe074fc1824f55fc0ebdbfc07a03c7478aa2ff7ece685d", 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]     Checking hel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Package`, `SymbolInner`, `Symbol`
[INFO] [stdout]  --> src/types.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::package::{Package, Symbol, SymbolInner};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Package`, `SymbolInner`, `Symbol`
[INFO] [stdout]  --> src/types.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::package::{Package, Symbol, SymbolInner};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/package.rs:159:29
[INFO] [stdout]     |
[INFO] [stdout] 159 |             ast::Type::Path(path) => {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/package.rs:157:44
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_type(&self, ty: &ast::Type, from: &Symbol) -> Option<Type> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/package.rs:159:29
[INFO] [stdout]     |
[INFO] [stdout] 159 |             ast::Type::Path(path) => {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/package.rs:157:44
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_type(&self, ty: &ast::Type, from: &Symbol) -> Option<Type> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_path`
[INFO] [stdout]   --> src/package.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get_path(&self) -> impl Iterator<Item = &Ident> {
[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: `get_symbol`
[INFO] [stdout]    --> src/package.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn get_symbol(&self, path: &Path, from: &Symbol) -> Option<&Symbol> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]    --> src/package.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_type(&self, ty: &ast::Type, from: &Symbol) -> Option<Type> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `POINTER_SIZE`
[INFO] [stdout]  --> src/types.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const POINTER_SIZE: u8 = 8; // std::mem::size_of::<usize>() as u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NamedTypes`
[INFO] [stdout]  --> src/types.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct NamedTypes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Function(Function),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Struct(Struct),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Tuple(Tuple), // TODO: just use struct with names '0', '1', ...?
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reference`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Reference(Box<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     List(Box<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/types.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Integer { size: u8, signed: bool },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/types.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn size(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_path`
[INFO] [stdout]   --> src/package.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get_path(&self) -> impl Iterator<Item = &Ident> {
[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: `get_symbol`
[INFO] [stdout]    --> src/package.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn get_symbol(&self, path: &Path, from: &Symbol) -> Option<&Symbol> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]    --> src/package.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_type(&self, ty: &ast::Type, from: &Symbol) -> Option<Type> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `POINTER_SIZE`
[INFO] [stdout]  --> src/types.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const POINTER_SIZE: u8 = 8; // std::mem::size_of::<usize>() as u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NamedTypes`
[INFO] [stdout]  --> src/types.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct NamedTypes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Function(Function),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Struct(Struct),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Tuple(Tuple), // TODO: just use struct with names '0', '1', ...?
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reference`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Reference(Box<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     List(Box<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/types.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Integer { size: u8, signed: bool },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/types.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn size(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "6dfd47415273144f9dfe074fc1824f55fc0ebdbfc07a03c7478aa2ff7ece685d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfd47415273144f9dfe074fc1824f55fc0ebdbfc07a03c7478aa2ff7ece685d", kill_on_drop: false }`
[INFO] [stdout] 6dfd47415273144f9dfe074fc1824f55fc0ebdbfc07a03c7478aa2ff7ece685d