Dec 19 11:40:33.097 INFO checking nrc/rustw-test against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:40:33.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/nrc/rustw-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:40:33.650 INFO [stdout] d90003c1c5cdaaf244feb2793ed216f743a6b3fa8f6305281df0637c5a9e6ec2
Dec 19 11:40:33.654 INFO running `"docker" "start" "-a" "d90003c1c5cdaaf244feb2793ed216f743a6b3fa8f6305281df0637c5a9e6ec2"`
Dec 19 11:40:35.872 INFO [stderr]    Compiling quote v0.2.3
Dec 19 11:40:35.872 INFO [stderr]    Compiling unicode-xid v0.0.3
Dec 19 11:40:35.872 INFO [stderr]     Checking zero v0.1.2
Dec 19 11:40:36.712 INFO [stderr]    Compiling syn v0.8.7
Dec 19 11:40:41.112 INFO [stderr]    Compiling derive-new v0.3.0
Dec 19 11:40:42.251 INFO [stderr]     Checking hello v0.1.0 (/opt/crater/workdir)
Dec 19 11:40:42.444 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:40:42.444 INFO [stderr]  --> src/main.rs:4:1
Dec 19 11:40:42.444 INFO [stderr]   |
Dec 19 11:40:42.445 INFO [stderr] 4 | #[macro_use]
Dec 19 11:40:42.445 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:40:42.445 INFO [stderr]   |
Dec 19 11:40:42.445 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:40:42.446 INFO [stderr] 
Dec 19 11:40:42.446 INFO [stderr] warning: unused import: `std::sync::*`
Dec 19 11:40:42.446 INFO [stderr]  --> src/main.rs:7:5
Dec 19 11:40:42.446 INFO [stderr]   |
Dec 19 11:40:42.446 INFO [stderr] 7 | use std::sync::*;
Dec 19 11:40:42.446 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 11:40:42.446 INFO [stderr] 
Dec 19 11:40:42.446 INFO [stderr] warning: unused imports: `Foo`, `TFoo`
Dec 19 11:40:42.446 INFO [stderr]  --> src/sub_mod/mod.rs:1:13
Dec 19 11:40:42.448 INFO [stderr]   |
Dec 19 11:40:42.448 INFO [stderr] 1 | use super::{Foo, TFoo};
Dec 19 11:40:42.448 INFO [stderr]   |             ^^^  ^^^^
Dec 19 11:40:42.448 INFO [stderr] 
Dec 19 11:40:42.468 INFO [stderr] warning: unused variable: `x`
Dec 19 11:40:42.468 INFO [stderr]  --> src/sub_mod/mod.rs:8:9
Dec 19 11:40:42.472 INFO [stderr]   |
Dec 19 11:40:42.472 INFO [stderr] 8 |     let x = foo + 1;
Dec 19 11:40:42.472 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 19 11:40:42.472 INFO [stderr]   |
Dec 19 11:40:42.472 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 11:40:42.472 INFO [stderr] 
Dec 19 11:40:42.472 INFO [stderr] warning: struct is never constructed: `Foo`
Dec 19 11:40:42.472 INFO [stderr]   --> src/main.rs:12:1
Dec 19 11:40:42.472 INFO [stderr]    |
Dec 19 11:40:42.472 INFO [stderr] 12 | struct Foo;
Dec 19 11:40:42.473 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr]    |
Dec 19 11:40:42.473 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: struct is never constructed: `Bar`
Dec 19 11:40:42.473 INFO [stderr]  --> src/sub_mod/sub_sub_mod/mod.rs:1:1
Dec 19 11:40:42.473 INFO [stderr]   |
Dec 19 11:40:42.473 INFO [stderr] 1 | pub struct Bar;
Dec 19 11:40:42.473 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: function is never used: `bar`
Dec 19 11:40:42.473 INFO [stderr]  --> src/sub_mod/sub_sub_mod/mod.rs:4:1
Dec 19 11:40:42.473 INFO [stderr]   |
Dec 19 11:40:42.473 INFO [stderr] 4 | pub fn bar() -> Bar {
Dec 19 11:40:42.473 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: function is never used: `foo`
Dec 19 11:40:42.473 INFO [stderr]  --> src/sub_mod/mod.rs:5:1
Dec 19 11:40:42.473 INFO [stderr]   |
Dec 19 11:40:42.473 INFO [stderr] 5 | pub fn foo() {
Dec 19 11:40:42.473 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: struct is never constructed: `S`
Dec 19 11:40:42.473 INFO [stderr]   --> src/main.rs:27:5
Dec 19 11:40:42.473 INFO [stderr]    |
Dec 19 11:40:42.473 INFO [stderr] 27 |     struct S {
Dec 19 11:40:42.473 INFO [stderr]    |     ^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: struct is never constructed: `Thing`
Dec 19 11:40:42.473 INFO [stderr]   --> src/main.rs:34:1
Dec 19 11:40:42.473 INFO [stderr]    |
Dec 19 11:40:42.473 INFO [stderr] 34 | struct Thing {
Dec 19 11:40:42.473 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.473 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 11:40:42.473 INFO [stderr]  --> src/main.rs:1:12
Dec 19 11:40:42.473 INFO [stderr]   |
Dec 19 11:40:42.473 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 19 11:40:42.473 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 11:40:42.473 INFO [stderr]   |
Dec 19 11:40:42.473 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 11:40:42.473 INFO [stderr] 
Dec 19 11:40:42.476 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:40:42.476 INFO [stderr]  --> src/main.rs:4:1
Dec 19 11:40:42.476 INFO [stderr]   |
Dec 19 11:40:42.476 INFO [stderr] 4 | #[macro_use]
Dec 19 11:40:42.476 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:40:42.476 INFO [stderr]   |
Dec 19 11:40:42.476 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:40:42.476 INFO [stderr] 
Dec 19 11:40:42.476 INFO [stderr] warning: unused import: `std::sync::*`
Dec 19 11:40:42.476 INFO [stderr]  --> src/main.rs:7:5
Dec 19 11:40:42.476 INFO [stderr]   |
Dec 19 11:40:42.476 INFO [stderr] 7 | use std::sync::*;
Dec 19 11:40:42.476 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 11:40:42.476 INFO [stderr] 
Dec 19 11:40:42.476 INFO [stderr] warning: unused imports: `Foo`, `TFoo`
Dec 19 11:40:42.476 INFO [stderr]  --> src/sub_mod/mod.rs:1:13
Dec 19 11:40:42.476 INFO [stderr]   |
Dec 19 11:40:42.476 INFO [stderr] 1 | use super::{Foo, TFoo};
Dec 19 11:40:42.476 INFO [stderr]   |             ^^^  ^^^^
Dec 19 11:40:42.476 INFO [stderr] 
Dec 19 11:40:42.487 INFO [stderr] warning: unused variable: `x`
Dec 19 11:40:42.487 INFO [stderr]  --> src/sub_mod/mod.rs:8:9
Dec 19 11:40:42.487 INFO [stderr]   |
Dec 19 11:40:42.488 INFO [stderr] 8 |     let x = foo + 1;
Dec 19 11:40:42.488 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 19 11:40:42.488 INFO [stderr]   |
Dec 19 11:40:42.488 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 11:40:42.488 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: struct is never constructed: `Foo`
Dec 19 11:40:42.492 INFO [stderr]   --> src/main.rs:12:1
Dec 19 11:40:42.492 INFO [stderr]    |
Dec 19 11:40:42.492 INFO [stderr] 12 | struct Foo;
Dec 19 11:40:42.492 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr]    |
Dec 19 11:40:42.492 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: struct is never constructed: `Bar`
Dec 19 11:40:42.492 INFO [stderr]  --> src/sub_mod/sub_sub_mod/mod.rs:1:1
Dec 19 11:40:42.492 INFO [stderr]   |
Dec 19 11:40:42.492 INFO [stderr] 1 | pub struct Bar;
Dec 19 11:40:42.492 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: function is never used: `bar`
Dec 19 11:40:42.492 INFO [stderr]  --> src/sub_mod/sub_sub_mod/mod.rs:4:1
Dec 19 11:40:42.492 INFO [stderr]   |
Dec 19 11:40:42.492 INFO [stderr] 4 | pub fn bar() -> Bar {
Dec 19 11:40:42.492 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: function is never used: `foo`
Dec 19 11:40:42.492 INFO [stderr]  --> src/sub_mod/mod.rs:5:1
Dec 19 11:40:42.492 INFO [stderr]   |
Dec 19 11:40:42.492 INFO [stderr] 5 | pub fn foo() {
Dec 19 11:40:42.492 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: struct is never constructed: `S`
Dec 19 11:40:42.492 INFO [stderr]   --> src/main.rs:27:5
Dec 19 11:40:42.492 INFO [stderr]    |
Dec 19 11:40:42.492 INFO [stderr] 27 |     struct S {
Dec 19 11:40:42.492 INFO [stderr]    |     ^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: struct is never constructed: `Thing`
Dec 19 11:40:42.492 INFO [stderr]   --> src/main.rs:34:1
Dec 19 11:40:42.492 INFO [stderr]    |
Dec 19 11:40:42.492 INFO [stderr] 34 | struct Thing {
Dec 19 11:40:42.492 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.492 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 11:40:42.492 INFO [stderr]  --> src/main.rs:1:12
Dec 19 11:40:42.492 INFO [stderr]   |
Dec 19 11:40:42.492 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 19 11:40:42.492 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 11:40:42.492 INFO [stderr]   |
Dec 19 11:40:42.492 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 11:40:42.492 INFO [stderr] 
Dec 19 11:40:42.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
Dec 19 11:40:43.388 INFO running `"docker" "inspect" "d90003c1c5cdaaf244feb2793ed216f743a6b3fa8f6305281df0637c5a9e6ec2"`
Dec 19 11:40:43.688 INFO running `"docker" "rm" "-f" "d90003c1c5cdaaf244feb2793ed216f743a6b3fa8f6305281df0637c5a9e6ec2"`
Dec 19 11:40:44.076 INFO [stdout] d90003c1c5cdaaf244feb2793ed216f743a6b3fa8f6305281df0637c5a9e6ec2