Dec 19 12:52:55.665 INFO checking mblk/hello-world against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:52:55.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mblk/hello-world:/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 12:52:56.324 INFO [stdout] a98930a0f45b1bd12d92ad7fb1b717a06c67c1068aef56f007f0dc607640bcbe
Dec 19 12:52:56.336 INFO running `"docker" "start" "-a" "a98930a0f45b1bd12d92ad7fb1b717a06c67c1068aef56f007f0dc607640bcbe"`
Dec 19 12:52:58.392 INFO [stderr]     Checking hello_world v0.1.0 (/opt/crater/workdir)
Dec 19 12:52:58.649 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 12:52:58.649 INFO [stderr]  --> src/main.rs:1:5
Dec 19 12:52:58.649 INFO [stderr]   |
Dec 19 12:52:58.649 INFO [stderr] 1 | use std::cmp;
Dec 19 12:52:58.649 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:52:58.649 INFO [stderr]   |
Dec 19 12:52:58.649 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:58.649 INFO [stderr] 
Dec 19 12:52:58.764 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 12:52:58.764 INFO [stderr]  --> src/main.rs:1:5
Dec 19 12:52:58.764 INFO [stderr]   |
Dec 19 12:52:58.764 INFO [stderr] 1 | use std::cmp;
Dec 19 12:52:58.764 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:52:58.764 INFO [stderr]   |
Dec 19 12:52:58.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:58.764 INFO [stderr] 
Dec 19 12:52:58.780 INFO [stderr] warning: value assigned to `t2` is never read
Dec 19 12:52:58.780 INFO [stderr]   --> src/main.rs:52:13
Dec 19 12:52:58.780 INFO [stderr]    |
Dec 19 12:52:58.780 INFO [stderr] 52 |     let mut t2: (i32,i32) = (333,444);
Dec 19 12:52:58.780 INFO [stderr]    |             ^^
Dec 19 12:52:58.780 INFO [stderr]    |
Dec 19 12:52:58.780 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 12:52:58.780 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 12:52:58.780 INFO [stderr] 
Dec 19 12:52:58.780 INFO [stderr] warning: unused variable: `f`
Dec 19 12:52:58.780 INFO [stderr]   --> src/main.rs:96:13
Dec 19 12:52:58.780 INFO [stderr]    |
Dec 19 12:52:58.780 INFO [stderr] 96 |         let f = Foo { x: y }; // ---+ f goes into scope
Dec 19 12:52:58.780 INFO [stderr]    |             ^ help: consider using `_f` instead
Dec 19 12:52:58.780 INFO [stderr]    |
Dec 19 12:52:58.780 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:52:58.780 INFO [stderr] 
Dec 19 12:52:58.780 INFO [stderr] warning: unused variable: `x`
Dec 19 12:52:58.780 INFO [stderr]    --> src/main.rs:104:9
Dec 19 12:52:58.780 INFO [stderr]     |
Dec 19 12:52:58.781 INFO [stderr] 104 |     let x: &'static i32 = &FOO; // reference to data section of binary
Dec 19 12:52:58.781 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 19 12:52:58.781 INFO [stderr] 
Dec 19 12:52:58.781 INFO [stderr] warning: unused variable: `str1`
Dec 19 12:52:58.781 INFO [stderr]    --> src/main.rs:105:9
Dec 19 12:52:58.781 INFO [stderr]     |
Dec 19 12:52:58.781 INFO [stderr] 105 |     let str1: &'static str = "qwiojdqoiwjd";
Dec 19 12:52:58.781 INFO [stderr]     |         ^^^^ help: consider using `_str1` instead
Dec 19 12:52:58.781 INFO [stderr] 
Dec 19 12:52:58.796 INFO [stderr] warning: field is never used: `x`
Dec 19 12:52:58.796 INFO [stderr]    --> src/main.rs:110:5
Dec 19 12:52:58.796 INFO [stderr]     |
Dec 19 12:52:58.796 INFO [stderr] 110 |     x: &'a i32,
Dec 19 12:52:58.796 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 12:52:58.796 INFO [stderr]     |
Dec 19 12:52:58.796 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:52:58.796 INFO [stderr] 
Dec 19 12:52:58.876 INFO [stderr] warning: value assigned to `t2` is never read
Dec 19 12:52:58.876 INFO [stderr]   --> src/main.rs:52:13
Dec 19 12:52:58.876 INFO [stderr]    |
Dec 19 12:52:58.876 INFO [stderr] 52 |     let mut t2: (i32,i32) = (333,444);
Dec 19 12:52:58.876 INFO [stderr]    |             ^^
Dec 19 12:52:58.876 INFO [stderr]    |
Dec 19 12:52:58.876 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 12:52:58.876 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 12:52:58.876 INFO [stderr] 
Dec 19 12:52:58.876 INFO [stderr] warning: unused variable: `f`
Dec 19 12:52:58.876 INFO [stderr]   --> src/main.rs:96:13
Dec 19 12:52:58.876 INFO [stderr]    |
Dec 19 12:52:58.876 INFO [stderr] 96 |         let f = Foo { x: y }; // ---+ f goes into scope
Dec 19 12:52:58.876 INFO [stderr]    |             ^ help: consider using `_f` instead
Dec 19 12:52:58.876 INFO [stderr]    |
Dec 19 12:52:58.876 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:52:58.876 INFO [stderr] 
Dec 19 12:52:58.876 INFO [stderr] warning: unused variable: `x`
Dec 19 12:52:58.876 INFO [stderr]    --> src/main.rs:104:9
Dec 19 12:52:58.876 INFO [stderr]     |
Dec 19 12:52:58.876 INFO [stderr] 104 |     let x: &'static i32 = &FOO; // reference to data section of binary
Dec 19 12:52:58.876 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 19 12:52:58.876 INFO [stderr] 
Dec 19 12:52:58.876 INFO [stderr] warning: unused variable: `str1`
Dec 19 12:52:58.877 INFO [stderr]    --> src/main.rs:105:9
Dec 19 12:52:58.877 INFO [stderr]     |
Dec 19 12:52:58.877 INFO [stderr] 105 |     let str1: &'static str = "qwiojdqoiwjd";
Dec 19 12:52:58.877 INFO [stderr]     |         ^^^^ help: consider using `_str1` instead
Dec 19 12:52:58.877 INFO [stderr] 
Dec 19 12:52:58.892 INFO [stderr] warning: field is never used: `x`
Dec 19 12:52:58.893 INFO [stderr]    --> src/main.rs:110:5
Dec 19 12:52:58.893 INFO [stderr]     |
Dec 19 12:52:58.893 INFO [stderr] 110 |     x: &'a i32,
Dec 19 12:52:58.893 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 12:52:58.893 INFO [stderr]     |
Dec 19 12:52:58.893 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:52:58.893 INFO [stderr] 
Dec 19 12:52:58.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 19 12:52:59.752 INFO running `"docker" "inspect" "a98930a0f45b1bd12d92ad7fb1b717a06c67c1068aef56f007f0dc607640bcbe"`
Dec 19 12:53:00.007 INFO running `"docker" "rm" "-f" "a98930a0f45b1bd12d92ad7fb1b717a06c67c1068aef56f007f0dc607640bcbe"`
Dec 19 12:53:00.339 INFO [stdout] a98930a0f45b1bd12d92ad7fb1b717a06c67c1068aef56f007f0dc607640bcbe