Nov 30 17:17:44.739 INFO checking release-0.8.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 17:17:44.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 17:17:45.110 INFO [stdout] 7daa538a21f6a86a711b330addf2e21c77d3faa51cf51ad7a5012b0d5a935935
Nov 30 17:17:45.112 INFO running `"docker" "start" "-a" "7daa538a21f6a86a711b330addf2e21c77d3faa51cf51ad7a5012b0d5a935935"`
Nov 30 17:17:46.245 INFO [stderr] usermod: no changes
Nov 30 17:17:46.412 INFO [stderr]     Checking release v0.8.1 (/source)
Nov 30 17:17:48.856 INFO [stderr] warning: unused import: `std::env::current_dir`
Nov 30 17:17:48.856 INFO [stderr]  --> src/tags.rs:4:5
Nov 30 17:17:48.856 INFO [stderr]   |
Nov 30 17:17:48.856 INFO [stderr] 4 | use std::env::current_dir;
Nov 30 17:17:48.856 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:48.856 INFO [stderr]   |
Nov 30 17:17:48.856 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 17:17:48.856 INFO [stderr] 
Nov 30 17:17:48.952 INFO [stderr] warning: unused variable: `E`
Nov 30 17:17:48.952 INFO [stderr]   --> src/main.rs:27:17
Nov 30 17:17:48.952 INFO [stderr]    |
Nov 30 17:17:48.952 INFO [stderr] 27 |             Err(E) => {
Nov 30 17:17:48.952 INFO [stderr]    |                 ^ help: consider using `_E` instead
Nov 30 17:17:48.952 INFO [stderr]    |
Nov 30 17:17:48.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 17:17:48.952 INFO [stderr] 
Nov 30 17:17:48.984 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:48.984 INFO [stderr]   --> src/tags.rs:48:13
Nov 30 17:17:48.984 INFO [stderr]    |
Nov 30 17:17:48.984 INFO [stderr] 48 |         let mut versions = self.get_tags().versions();
Nov 30 17:17:48.984 INFO [stderr]    |             ----^^^^^^^^
Nov 30 17:17:48.984 INFO [stderr]    |             |
Nov 30 17:17:48.984 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:48.984 INFO [stderr]    |
Nov 30 17:17:48.984 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 17:17:48.984 INFO [stderr] 
Nov 30 17:17:48.988 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:48.988 INFO [stderr]   --> src/tags.rs:84:13
Nov 30 17:17:48.988 INFO [stderr]    |
Nov 30 17:17:48.988 INFO [stderr] 84 |         let mut val;
Nov 30 17:17:48.988 INFO [stderr]    |             ----^^^
Nov 30 17:17:48.988 INFO [stderr]    |             |
Nov 30 17:17:48.988 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:48.988 INFO [stderr] 
Nov 30 17:17:48.990 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:48.991 INFO [stderr]   --> src/tags.rs:97:13
Nov 30 17:17:48.991 INFO [stderr]    |
Nov 30 17:17:48.991 INFO [stderr] 97 |         let mut obj;
Nov 30 17:17:48.991 INFO [stderr]    |             ----^^^
Nov 30 17:17:48.991 INFO [stderr]    |             |
Nov 30 17:17:48.991 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:48.991 INFO [stderr] 
Nov 30 17:17:48.991 INFO [stderr] warning: method is never used: `iter`
Nov 30 17:17:48.991 INFO [stderr]    --> src/tags.rs:105:5
Nov 30 17:17:48.991 INFO [stderr]     |
Nov 30 17:17:48.991 INFO [stderr] 105 |     pub fn iter(&self) -> Iter<Version>{
Nov 30 17:17:48.991 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:48.991 INFO [stderr]     |
Nov 30 17:17:48.991 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 17:17:48.991 INFO [stderr] 
Nov 30 17:17:48.992 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 30 17:17:48.992 INFO [stderr]   --> src/tags.rs:79:17
Nov 30 17:17:48.992 INFO [stderr]    |
Nov 30 17:17:48.992 INFO [stderr] 79 |             Err(E) => Err(E)
Nov 30 17:17:48.992 INFO [stderr]    |                 ^
Nov 30 17:17:48.992 INFO [stderr]    |
Nov 30 17:17:48.992 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 17:17:48.992 INFO [stderr] 
Nov 30 17:17:48.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 17:17:48.992 INFO [stderr]   --> src/main.rs:25:17
Nov 30 17:17:48.992 INFO [stderr]    |
Nov 30 17:17:48.992 INFO [stderr] 25 |                 release.make_release(vtype);
Nov 30 17:17:48.992 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:48.992 INFO [stderr]    |
Nov 30 17:17:48.992 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 17:17:48.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 17:17:48.992 INFO [stderr] 
Nov 30 17:17:48.992 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 30 17:17:48.992 INFO [stderr]   --> src/main.rs:27:17
Nov 30 17:17:48.992 INFO [stderr]    |
Nov 30 17:17:48.992 INFO [stderr] 27 |             Err(E) => {
Nov 30 17:17:48.992 INFO [stderr]    |                 ^
Nov 30 17:17:48.992 INFO [stderr] 
Nov 30 17:17:49.088 INFO [stderr] warning: unused import: `std::env::current_dir`
Nov 30 17:17:49.088 INFO [stderr]  --> src/tags.rs:4:5
Nov 30 17:17:49.088 INFO [stderr]   |
Nov 30 17:17:49.088 INFO [stderr] 4 | use std::env::current_dir;
Nov 30 17:17:49.088 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:49.088 INFO [stderr]   |
Nov 30 17:17:49.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 17:17:49.088 INFO [stderr] 
Nov 30 17:17:49.196 INFO [stderr] warning: unused variable: `E`
Nov 30 17:17:49.196 INFO [stderr]   --> src/main.rs:27:17
Nov 30 17:17:49.196 INFO [stderr]    |
Nov 30 17:17:49.196 INFO [stderr] 27 |             Err(E) => {
Nov 30 17:17:49.196 INFO [stderr]    |                 ^ help: consider using `_E` instead
Nov 30 17:17:49.196 INFO [stderr]    |
Nov 30 17:17:49.196 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 17:17:49.196 INFO [stderr] 
Nov 30 17:17:49.236 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:49.236 INFO [stderr]   --> src/tags.rs:48:13
Nov 30 17:17:49.236 INFO [stderr]    |
Nov 30 17:17:49.236 INFO [stderr] 48 |         let mut versions = self.get_tags().versions();
Nov 30 17:17:49.236 INFO [stderr]    |             ----^^^^^^^^
Nov 30 17:17:49.236 INFO [stderr]    |             |
Nov 30 17:17:49.236 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:49.236 INFO [stderr]    |
Nov 30 17:17:49.236 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 17:17:49.236 INFO [stderr] 
Nov 30 17:17:49.240 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:49.240 INFO [stderr]   --> src/tags.rs:84:13
Nov 30 17:17:49.240 INFO [stderr]    |
Nov 30 17:17:49.240 INFO [stderr] 84 |         let mut val;
Nov 30 17:17:49.240 INFO [stderr]    |             ----^^^
Nov 30 17:17:49.240 INFO [stderr]    |             |
Nov 30 17:17:49.240 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:49.240 INFO [stderr] 
Nov 30 17:17:49.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:17:49.248 INFO [stderr]   --> src/tags.rs:97:13
Nov 30 17:17:49.248 INFO [stderr]    |
Nov 30 17:17:49.248 INFO [stderr] 97 |         let mut obj;
Nov 30 17:17:49.248 INFO [stderr]    |             ----^^^
Nov 30 17:17:49.248 INFO [stderr]    |             |
Nov 30 17:17:49.248 INFO [stderr]    |             help: remove this `mut`
Nov 30 17:17:49.248 INFO [stderr] 
Nov 30 17:17:49.248 INFO [stderr] warning: method is never used: `iter`
Nov 30 17:17:49.248 INFO [stderr]    --> src/tags.rs:105:5
Nov 30 17:17:49.248 INFO [stderr]     |
Nov 30 17:17:49.248 INFO [stderr] 105 |     pub fn iter(&self) -> Iter<Version>{
Nov 30 17:17:49.248 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:49.248 INFO [stderr]     |
Nov 30 17:17:49.248 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 17:17:49.248 INFO [stderr] 
Nov 30 17:17:49.248 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 30 17:17:49.248 INFO [stderr]   --> src/tags.rs:79:17
Nov 30 17:17:49.248 INFO [stderr]    |
Nov 30 17:17:49.248 INFO [stderr] 79 |             Err(E) => Err(E)
Nov 30 17:17:49.249 INFO [stderr]    |                 ^
Nov 30 17:17:49.249 INFO [stderr]    |
Nov 30 17:17:49.249 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 17:17:49.249 INFO [stderr] 
Nov 30 17:17:49.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 17:17:49.249 INFO [stderr]   --> src/main.rs:25:17
Nov 30 17:17:49.249 INFO [stderr]    |
Nov 30 17:17:49.249 INFO [stderr] 25 |                 release.make_release(vtype);
Nov 30 17:17:49.249 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:17:49.249 INFO [stderr]    |
Nov 30 17:17:49.249 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 17:17:49.249 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 17:17:49.249 INFO [stderr] 
Nov 30 17:17:49.249 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 30 17:17:49.249 INFO [stderr]   --> src/main.rs:27:17
Nov 30 17:17:49.249 INFO [stderr]    |
Nov 30 17:17:49.249 INFO [stderr] 27 |             Err(E) => {
Nov 30 17:17:49.249 INFO [stderr]    |                 ^
Nov 30 17:17:49.249 INFO [stderr] 
Nov 30 17:17:49.288 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
Nov 30 17:17:49.291 INFO [stderr] su: No module specific data is present
Nov 30 17:17:50.423 INFO running `"docker" "inspect" "7daa538a21f6a86a711b330addf2e21c77d3faa51cf51ad7a5012b0d5a935935"`
Nov 30 17:17:50.820 INFO running `"docker" "rm" "-f" "7daa538a21f6a86a711b330addf2e21c77d3faa51cf51ad7a5012b0d5a935935"`
Nov 30 17:17:51.149 INFO [stdout] 7daa538a21f6a86a711b330addf2e21c77d3faa51cf51ad7a5012b0d5a935935