Dec 14 23:39:09.467 INFO testing release-0.8.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 23:39:09.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 23:39:09.611 INFO [stdout] 762900a8d28be9f1cb0d24196886c5eb8d54594357a5c4ab43b12aacf4db0ba7
Dec 14 23:39:09.615 INFO running `"docker" "start" "-a" "762900a8d28be9f1cb0d24196886c5eb8d54594357a5c4ab43b12aacf4db0ba7"`
Dec 14 23:39:09.977 INFO [stderr] usermod: no changes
Dec 14 23:39:10.080 INFO [stderr]    Compiling release v0.8.1 (/source)
Dec 14 23:39:11.838 INFO [stderr] warning: unused import: `std::env::current_dir`
Dec 14 23:39:11.838 INFO [stderr]  --> src/tags.rs:4:5
Dec 14 23:39:11.838 INFO [stderr]   |
Dec 14 23:39:11.838 INFO [stderr] 4 | use std::env::current_dir;
Dec 14 23:39:11.838 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:11.838 INFO [stderr]   |
Dec 14 23:39:11.838 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 23:39:11.838 INFO [stderr] 
Dec 14 23:39:11.955 INFO [stderr] warning: unused variable: `E`
Dec 14 23:39:11.955 INFO [stderr]   --> src/main.rs:27:17
Dec 14 23:39:11.956 INFO [stderr]    |
Dec 14 23:39:11.956 INFO [stderr] 27 |             Err(E) => {
Dec 14 23:39:11.956 INFO [stderr]    |                 ^ help: consider using `_E` instead
Dec 14 23:39:11.956 INFO [stderr]    |
Dec 14 23:39:11.957 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 23:39:11.957 INFO [stderr] 
Dec 14 23:39:11.984 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:11.984 INFO [stderr]   --> src/tags.rs:48:13
Dec 14 23:39:11.984 INFO [stderr]    |
Dec 14 23:39:11.985 INFO [stderr] 48 |         let mut versions = self.get_tags().versions();
Dec 14 23:39:11.985 INFO [stderr]    |             ----^^^^^^^^
Dec 14 23:39:11.985 INFO [stderr]    |             |
Dec 14 23:39:11.985 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:11.985 INFO [stderr]    |
Dec 14 23:39:11.985 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:39:11.985 INFO [stderr] 
Dec 14 23:39:11.987 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:11.987 INFO [stderr]   --> src/tags.rs:84:13
Dec 14 23:39:11.987 INFO [stderr]    |
Dec 14 23:39:11.987 INFO [stderr] 84 |         let mut val;
Dec 14 23:39:11.987 INFO [stderr]    |             ----^^^
Dec 14 23:39:11.987 INFO [stderr]    |             |
Dec 14 23:39:11.987 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:11.987 INFO [stderr] 
Dec 14 23:39:11.990 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:11.990 INFO [stderr]   --> src/tags.rs:97:13
Dec 14 23:39:11.990 INFO [stderr]    |
Dec 14 23:39:11.991 INFO [stderr] 97 |         let mut obj;
Dec 14 23:39:11.991 INFO [stderr]    |             ----^^^
Dec 14 23:39:11.991 INFO [stderr]    |             |
Dec 14 23:39:11.992 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:11.992 INFO [stderr] 
Dec 14 23:39:11.992 INFO [stderr] warning: method is never used: `iter`
Dec 14 23:39:11.992 INFO [stderr]    --> src/tags.rs:105:5
Dec 14 23:39:11.993 INFO [stderr]     |
Dec 14 23:39:11.993 INFO [stderr] 105 |     pub fn iter(&self) -> Iter<Version>{
Dec 14 23:39:11.993 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:11.993 INFO [stderr]     |
Dec 14 23:39:11.994 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 14 23:39:11.994 INFO [stderr] 
Dec 14 23:39:11.994 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 14 23:39:11.995 INFO [stderr]   --> src/tags.rs:79:17
Dec 14 23:39:11.995 INFO [stderr]    |
Dec 14 23:39:11.995 INFO [stderr] 79 |             Err(E) => Err(E)
Dec 14 23:39:11.995 INFO [stderr]    |                 ^
Dec 14 23:39:11.995 INFO [stderr]    |
Dec 14 23:39:11.996 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 23:39:11.996 INFO [stderr] 
Dec 14 23:39:11.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 23:39:11.996 INFO [stderr]   --> src/main.rs:25:17
Dec 14 23:39:11.996 INFO [stderr]    |
Dec 14 23:39:11.996 INFO [stderr] 25 |                 release.make_release(vtype);
Dec 14 23:39:11.997 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:11.997 INFO [stderr]    |
Dec 14 23:39:11.997 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 23:39:11.997 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 23:39:11.997 INFO [stderr] 
Dec 14 23:39:11.998 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 14 23:39:11.998 INFO [stderr]   --> src/main.rs:27:17
Dec 14 23:39:11.998 INFO [stderr]    |
Dec 14 23:39:11.999 INFO [stderr] 27 |             Err(E) => {
Dec 14 23:39:11.999 INFO [stderr]    |                 ^
Dec 14 23:39:11.999 INFO [stderr] 
Dec 14 23:39:14.241 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
Dec 14 23:39:14.248 INFO [stderr] su: No module specific data is present
Dec 14 23:39:14.792 INFO running `"docker" "inspect" "762900a8d28be9f1cb0d24196886c5eb8d54594357a5c4ab43b12aacf4db0ba7"`
Dec 14 23:39:14.972 INFO running `"docker" "rm" "-f" "762900a8d28be9f1cb0d24196886c5eb8d54594357a5c4ab43b12aacf4db0ba7"`
Dec 14 23:39:15.095 INFO [stdout] 762900a8d28be9f1cb0d24196886c5eb8d54594357a5c4ab43b12aacf4db0ba7
Dec 14 23:39:15.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 23:39:15.489 INFO [stdout] cdff094331daff5b636bfa4089236a6f96f8d3f229f2206bd4a04ba0efc3c2c7
Dec 14 23:39:15.491 INFO running `"docker" "start" "-a" "cdff094331daff5b636bfa4089236a6f96f8d3f229f2206bd4a04ba0efc3c2c7"`
Dec 14 23:39:16.171 INFO [stderr] usermod: no changes
Dec 14 23:39:16.285 INFO [stderr]    Compiling release v0.8.1 (/source)
Dec 14 23:39:17.826 INFO [stderr] warning: unused import: `std::env::current_dir`
Dec 14 23:39:17.826 INFO [stderr]  --> src/tags.rs:4:5
Dec 14 23:39:17.826 INFO [stderr]   |
Dec 14 23:39:17.826 INFO [stderr] 4 | use std::env::current_dir;
Dec 14 23:39:17.826 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:17.826 INFO [stderr]   |
Dec 14 23:39:17.826 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 23:39:17.826 INFO [stderr] 
Dec 14 23:39:17.910 INFO [stderr] warning: unused variable: `E`
Dec 14 23:39:17.910 INFO [stderr]   --> src/main.rs:27:17
Dec 14 23:39:17.910 INFO [stderr]    |
Dec 14 23:39:17.910 INFO [stderr] 27 |             Err(E) => {
Dec 14 23:39:17.910 INFO [stderr]    |                 ^ help: consider using `_E` instead
Dec 14 23:39:17.910 INFO [stderr]    |
Dec 14 23:39:17.910 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 23:39:17.910 INFO [stderr] 
Dec 14 23:39:17.935 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:17.935 INFO [stderr]   --> src/tags.rs:48:13
Dec 14 23:39:17.935 INFO [stderr]    |
Dec 14 23:39:17.935 INFO [stderr] 48 |         let mut versions = self.get_tags().versions();
Dec 14 23:39:17.935 INFO [stderr]    |             ----^^^^^^^^
Dec 14 23:39:17.935 INFO [stderr]    |             |
Dec 14 23:39:17.935 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:17.935 INFO [stderr]    |
Dec 14 23:39:17.935 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:39:17.935 INFO [stderr] 
Dec 14 23:39:17.937 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:17.937 INFO [stderr]   --> src/tags.rs:84:13
Dec 14 23:39:17.937 INFO [stderr]    |
Dec 14 23:39:17.937 INFO [stderr] 84 |         let mut val;
Dec 14 23:39:17.937 INFO [stderr]    |             ----^^^
Dec 14 23:39:17.937 INFO [stderr]    |             |
Dec 14 23:39:17.937 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:17.937 INFO [stderr] 
Dec 14 23:39:17.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:39:17.939 INFO [stderr]   --> src/tags.rs:97:13
Dec 14 23:39:17.939 INFO [stderr]    |
Dec 14 23:39:17.939 INFO [stderr] 97 |         let mut obj;
Dec 14 23:39:17.939 INFO [stderr]    |             ----^^^
Dec 14 23:39:17.939 INFO [stderr]    |             |
Dec 14 23:39:17.939 INFO [stderr]    |             help: remove this `mut`
Dec 14 23:39:17.939 INFO [stderr] 
Dec 14 23:39:17.939 INFO [stderr] warning: method is never used: `iter`
Dec 14 23:39:17.939 INFO [stderr]    --> src/tags.rs:105:5
Dec 14 23:39:17.939 INFO [stderr]     |
Dec 14 23:39:17.939 INFO [stderr] 105 |     pub fn iter(&self) -> Iter<Version>{
Dec 14 23:39:17.939 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:17.939 INFO [stderr]     |
Dec 14 23:39:17.939 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 14 23:39:17.939 INFO [stderr] 
Dec 14 23:39:17.941 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 14 23:39:17.941 INFO [stderr]   --> src/tags.rs:79:17
Dec 14 23:39:17.941 INFO [stderr]    |
Dec 14 23:39:17.941 INFO [stderr] 79 |             Err(E) => Err(E)
Dec 14 23:39:17.941 INFO [stderr]    |                 ^
Dec 14 23:39:17.941 INFO [stderr]    |
Dec 14 23:39:17.941 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 23:39:17.941 INFO [stderr] 
Dec 14 23:39:17.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 23:39:17.941 INFO [stderr]   --> src/main.rs:25:17
Dec 14 23:39:17.941 INFO [stderr]    |
Dec 14 23:39:17.941 INFO [stderr] 25 |                 release.make_release(vtype);
Dec 14 23:39:17.941 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 23:39:17.941 INFO [stderr]    |
Dec 14 23:39:17.941 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 23:39:17.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 23:39:17.941 INFO [stderr] 
Dec 14 23:39:17.941 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 14 23:39:17.941 INFO [stderr]   --> src/main.rs:27:17
Dec 14 23:39:17.941 INFO [stderr]    |
Dec 14 23:39:17.941 INFO [stderr] 27 |             Err(E) => {
Dec 14 23:39:17.941 INFO [stderr]    |                 ^
Dec 14 23:39:17.942 INFO [stderr] 
Dec 14 23:39:18.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Dec 14 23:39:18.388 INFO [stderr] su: No module specific data is present
Dec 14 23:39:19.053 INFO running `"docker" "inspect" "cdff094331daff5b636bfa4089236a6f96f8d3f229f2206bd4a04ba0efc3c2c7"`
Dec 14 23:39:19.120 INFO running `"docker" "rm" "-f" "cdff094331daff5b636bfa4089236a6f96f8d3f229f2206bd4a04ba0efc3c2c7"`
Dec 14 23:39:19.176 INFO [stdout] cdff094331daff5b636bfa4089236a6f96f8d3f229f2206bd4a04ba0efc3c2c7
Dec 14 23:39:19.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 23:39:19.424 INFO [stdout] 8da67080ea104bc65ba9a39701069ae5249a75be592aee7ec317121bdbc19976
Dec 14 23:39:19.426 INFO running `"docker" "start" "-a" "8da67080ea104bc65ba9a39701069ae5249a75be592aee7ec317121bdbc19976"`
Dec 14 23:39:20.216 INFO [stderr] usermod: no changes
Dec 14 23:39:20.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 23:39:20.290 INFO [stderr]      Running /target/debug/deps/release-ef1f432925b632d2
Dec 14 23:39:20.294 INFO [stdout] 
Dec 14 23:39:20.294 INFO [stdout] running 3 tests
Dec 14 23:39:20.294 INFO [stdout] test version::tests::test_increment_version ... ok
Dec 14 23:39:20.294 INFO [stdout] test version::tests::test_version_debug_string ... ok
Dec 14 23:39:20.294 INFO [stdout] test version::tests::test_version_string ... ok
Dec 14 23:39:20.294 INFO [stdout] 
Dec 14 23:39:20.294 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 23:39:20.294 INFO [stdout] 
Dec 14 23:39:20.296 INFO [stderr] su: No module specific data is present
Dec 14 23:39:20.618 INFO running `"docker" "inspect" "8da67080ea104bc65ba9a39701069ae5249a75be592aee7ec317121bdbc19976"`
Dec 14 23:39:20.691 INFO running `"docker" "rm" "-f" "8da67080ea104bc65ba9a39701069ae5249a75be592aee7ec317121bdbc19976"`
Dec 14 23:39:20.776 INFO [stdout] 8da67080ea104bc65ba9a39701069ae5249a75be592aee7ec317121bdbc19976