Dec 19 12:52:56.629 INFO checking mblk/hello-world against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:52:56.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:52:57.166 INFO [stdout] 1503d8d5d88bd4e83ab53901d9f781b0ea2732ab721a114a77eeeefe0111ffec
Dec 19 12:52:57.172 INFO running `"docker" "start" "-a" "1503d8d5d88bd4e83ab53901d9f781b0ea2732ab721a114a77eeeefe0111ffec"`
Dec 19 12:52:58.687 INFO [stderr]     Checking hello_world v0.1.0 (/opt/crater/workdir)
Dec 19 12:52:58.892 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 12:52:58.892 INFO [stderr]  --> src/main.rs:1:5
Dec 19 12:52:58.892 INFO [stderr]   |
Dec 19 12:52:58.892 INFO [stderr] 1 | use std::cmp;
Dec 19 12:52:58.892 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:52:58.892 INFO [stderr]   |
Dec 19 12:52:58.892 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:58.892 INFO [stderr] 
Dec 19 12:52:58.976 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 12:52:58.976 INFO [stderr]  --> src/main.rs:1:5
Dec 19 12:52:58.976 INFO [stderr]   |
Dec 19 12:52:58.976 INFO [stderr] 1 | use std::cmp;
Dec 19 12:52:58.976 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:52:58.976 INFO [stderr]   |
Dec 19 12:52:58.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:58.976 INFO [stderr] 
Dec 19 12:52:59.008 INFO [stderr] warning: value assigned to `t2` is never read
Dec 19 12:52:59.008 INFO [stderr]   --> src/main.rs:52:13
Dec 19 12:52:59.008 INFO [stderr]    |
Dec 19 12:52:59.008 INFO [stderr] 52 |     let mut t2: (i32,i32) = (333,444);
Dec 19 12:52:59.008 INFO [stderr]    |             ^^
Dec 19 12:52:59.008 INFO [stderr]    |
Dec 19 12:52:59.008 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 12:52:59.008 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 12:52:59.008 INFO [stderr] 
Dec 19 12:52:59.008 INFO [stderr] warning: unused variable: `f`
Dec 19 12:52:59.008 INFO [stderr]   --> src/main.rs:96:13
Dec 19 12:52:59.008 INFO [stderr]    |
Dec 19 12:52:59.008 INFO [stderr] 96 |         let f = Foo { x: y }; // ---+ f goes into scope
Dec 19 12:52:59.008 INFO [stderr]    |             ^ help: consider using `_f` instead
Dec 19 12:52:59.008 INFO [stderr]    |
Dec 19 12:52:59.008 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:52:59.008 INFO [stderr] 
Dec 19 12:52:59.008 INFO [stderr] warning: unused variable: `x`
Dec 19 12:52:59.008 INFO [stderr]    --> src/main.rs:104:9
Dec 19 12:52:59.008 INFO [stderr]     |
Dec 19 12:52:59.008 INFO [stderr] 104 |     let x: &'static i32 = &FOO; // reference to data section of binary
Dec 19 12:52:59.008 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 19 12:52:59.008 INFO [stderr] 
Dec 19 12:52:59.008 INFO [stderr] warning: unused variable: `str1`
Dec 19 12:52:59.009 INFO [stderr]    --> src/main.rs:105:9
Dec 19 12:52:59.009 INFO [stderr]     |
Dec 19 12:52:59.009 INFO [stderr] 105 |     let str1: &'static str = "qwiojdqoiwjd";
Dec 19 12:52:59.009 INFO [stderr]     |         ^^^^ help: consider using `_str1` instead
Dec 19 12:52:59.009 INFO [stderr] 
Dec 19 12:52:59.020 INFO [stderr] warning: field is never used: `x`
Dec 19 12:52:59.020 INFO [stderr]    --> src/main.rs:110:5
Dec 19 12:52:59.020 INFO [stderr]     |
Dec 19 12:52:59.020 INFO [stderr] 110 |     x: &'a i32,
Dec 19 12:52:59.020 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 12:52:59.020 INFO [stderr]     |
Dec 19 12:52:59.021 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:52:59.021 INFO [stderr] 
Dec 19 12:52:59.076 INFO [stderr] warning: value assigned to `t2` is never read
Dec 19 12:52:59.076 INFO [stderr]   --> src/main.rs:52:13
Dec 19 12:52:59.076 INFO [stderr]    |
Dec 19 12:52:59.076 INFO [stderr] 52 |     let mut t2: (i32,i32) = (333,444);
Dec 19 12:52:59.076 INFO [stderr]    |             ^^
Dec 19 12:52:59.076 INFO [stderr]    |
Dec 19 12:52:59.076 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 12:52:59.076 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 12:52:59.076 INFO [stderr] 
Dec 19 12:52:59.076 INFO [stderr] warning: unused variable: `f`
Dec 19 12:52:59.076 INFO [stderr]   --> src/main.rs:96:13
Dec 19 12:52:59.076 INFO [stderr]    |
Dec 19 12:52:59.076 INFO [stderr] 96 |         let f = Foo { x: y }; // ---+ f goes into scope
Dec 19 12:52:59.076 INFO [stderr]    |             ^ help: consider using `_f` instead
Dec 19 12:52:59.076 INFO [stderr]    |
Dec 19 12:52:59.076 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:52:59.076 INFO [stderr] 
Dec 19 12:52:59.076 INFO [stderr] warning: unused variable: `x`
Dec 19 12:52:59.076 INFO [stderr]    --> src/main.rs:104:9
Dec 19 12:52:59.076 INFO [stderr]     |
Dec 19 12:52:59.076 INFO [stderr] 104 |     let x: &'static i32 = &FOO; // reference to data section of binary
Dec 19 12:52:59.076 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 19 12:52:59.076 INFO [stderr] 
Dec 19 12:52:59.076 INFO [stderr] warning: unused variable: `str1`
Dec 19 12:52:59.076 INFO [stderr]    --> src/main.rs:105:9
Dec 19 12:52:59.077 INFO [stderr]     |
Dec 19 12:52:59.077 INFO [stderr] 105 |     let str1: &'static str = "qwiojdqoiwjd";
Dec 19 12:52:59.077 INFO [stderr]     |         ^^^^ help: consider using `_str1` instead
Dec 19 12:52:59.077 INFO [stderr] 
Dec 19 12:52:59.096 INFO [stderr] warning: field is never used: `x`
Dec 19 12:52:59.096 INFO [stderr]    --> src/main.rs:110:5
Dec 19 12:52:59.096 INFO [stderr]     |
Dec 19 12:52:59.096 INFO [stderr] 110 |     x: &'a i32,
Dec 19 12:52:59.096 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 12:52:59.096 INFO [stderr]     |
Dec 19 12:52:59.096 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:52:59.096 INFO [stderr] 
Dec 19 12:52:59.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 12:52:59.908 INFO running `"docker" "inspect" "1503d8d5d88bd4e83ab53901d9f781b0ea2732ab721a114a77eeeefe0111ffec"`
Dec 19 12:53:00.339 INFO running `"docker" "rm" "-f" "1503d8d5d88bd4e83ab53901d9f781b0ea2732ab721a114a77eeeefe0111ffec"`
Dec 19 12:53:00.673 INFO [stdout] 1503d8d5d88bd4e83ab53901d9f781b0ea2732ab721a114a77eeeefe0111ffec