Dec 12 06:24:41.306 INFO checking terminal_thrift-0.3.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:24:41.306 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 06:24:41.678 INFO [stdout] d7239cdbeb75fdd4a7bf457ed70b21bc4fec395a35a13d9c0c8146ef3c3d0f8d
Dec 12 06:24:41.683 INFO running `"docker" "start" "-a" "d7239cdbeb75fdd4a7bf457ed70b21bc4fec395a35a13d9c0c8146ef3c3d0f8d"`
Dec 12 06:24:42.432 INFO [stderr] usermod: no changes
Dec 12 06:24:42.472 INFO [stderr]     Checking terminal_thrift v0.3.2 (/source)
Dec 12 06:24:43.284 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 06:24:43.284 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 06:24:43.284 INFO [stderr]   |
Dec 12 06:24:43.284 INFO [stderr] 5 | #[macro_use]
Dec 12 06:24:43.284 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 06:24:43.284 INFO [stderr]   |
Dec 12 06:24:43.284 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 06:24:43.284 INFO [stderr] 
Dec 12 06:24:43.284 INFO [stderr] warning: unused import: `Protocol`
Dec 12 06:24:43.284 INFO [stderr]   --> src/server/threaded.rs:25:16
Dec 12 06:24:43.284 INFO [stderr]    |
Dec 12 06:24:43.284 INFO [stderr] 25 | use protocol::{Protocol, ProtocolFactory};
Dec 12 06:24:43.284 INFO [stderr]    |                ^^^^^^^^
Dec 12 06:24:43.284 INFO [stderr] 
Dec 12 06:24:43.284 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.284 INFO [stderr]   --> src/server/threaded.rs:61:18
Dec 12 06:24:43.284 INFO [stderr]    |
Dec 12 06:24:43.284 INFO [stderr] 61 |         for _ in (0..threads) {
Dec 12 06:24:43.284 INFO [stderr]    |                  ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.284 INFO [stderr]    |
Dec 12 06:24:43.284 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 06:24:43.284 INFO [stderr] 
Dec 12 06:24:43.742 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 06:24:43.742 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 06:24:43.742 INFO [stderr]   |
Dec 12 06:24:43.742 INFO [stderr] 5 | #[macro_use]
Dec 12 06:24:43.742 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 06:24:43.752 INFO [stderr]   |
Dec 12 06:24:43.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 06:24:43.752 INFO [stderr] 
Dec 12 06:24:43.752 INFO [stderr] warning: unused import: `Protocol`
Dec 12 06:24:43.752 INFO [stderr]   --> src/server/threaded.rs:25:16
Dec 12 06:24:43.752 INFO [stderr]    |
Dec 12 06:24:43.753 INFO [stderr] 25 | use protocol::{Protocol, ProtocolFactory};
Dec 12 06:24:43.753 INFO [stderr]    |                ^^^^^^^^
Dec 12 06:24:43.753 INFO [stderr] 
Dec 12 06:24:43.753 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.753 INFO [stderr]   --> src/server/threaded.rs:61:18
Dec 12 06:24:43.753 INFO [stderr]    |
Dec 12 06:24:43.753 INFO [stderr] 61 |         for _ in (0..threads) {
Dec 12 06:24:43.754 INFO [stderr]    |                  ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.754 INFO [stderr]    |
Dec 12 06:24:43.754 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 06:24:43.754 INFO [stderr] 
Dec 12 06:24:43.760 INFO [stderr] warning: unused import: `mock::*`
Dec 12 06:24:43.760 INFO [stderr]  --> src/test/prim.rs:2:5
Dec 12 06:24:43.760 INFO [stderr]   |
Dec 12 06:24:43.761 INFO [stderr] 2 | use mock::*;
Dec 12 06:24:43.761 INFO [stderr]   |     ^^^^^^^
Dec 12 06:24:43.761 INFO [stderr] 
Dec 12 06:24:43.761 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.761 INFO [stderr]   --> src/test/prim.rs:20:24
Dec 12 06:24:43.761 INFO [stderr]    |
Dec 12 06:24:43.762 INFO [stderr] 20 |     { test_i8_encode,  (0..100), Byte, i8 },
Dec 12 06:24:43.762 INFO [stderr]    |                        ^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.762 INFO [stderr] 
Dec 12 06:24:43.762 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.762 INFO [stderr]   --> src/test/prim.rs:21:24
Dec 12 06:24:43.762 INFO [stderr]    |
Dec 12 06:24:43.763 INFO [stderr] 21 |     { test_i16_encode, (0..100), I16, i16 },
Dec 12 06:24:43.763 INFO [stderr]    |                        ^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.763 INFO [stderr] 
Dec 12 06:24:43.763 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.763 INFO [stderr]   --> src/test/prim.rs:22:24
Dec 12 06:24:43.763 INFO [stderr]    |
Dec 12 06:24:43.763 INFO [stderr] 22 |     { test_i32_encode, (0..100), I32, i32 },
Dec 12 06:24:43.763 INFO [stderr]    |                        ^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.763 INFO [stderr] 
Dec 12 06:24:43.764 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 06:24:43.764 INFO [stderr]   --> src/test/prim.rs:23:24
Dec 12 06:24:43.764 INFO [stderr]    |
Dec 12 06:24:43.764 INFO [stderr] 23 |     { test_i64_encode, (0..100), I64, i64 },
Dec 12 06:24:43.764 INFO [stderr]    |                        ^^^^^^^^ help: remove these parentheses
Dec 12 06:24:43.764 INFO [stderr] 
Dec 12 06:24:43.765 INFO [stderr] warning: unused import: `mock::*`
Dec 12 06:24:43.765 INFO [stderr]  --> src/test/strukt.rs:2:5
Dec 12 06:24:43.765 INFO [stderr]   |
Dec 12 06:24:43.765 INFO [stderr] 2 | use mock::*;
Dec 12 06:24:43.765 INFO [stderr]   |     ^^^^^^^
Dec 12 06:24:43.765 INFO [stderr] 
Dec 12 06:24:43.766 INFO [stderr] warning: unused import: `mock::*`
Dec 12 06:24:43.766 INFO [stderr]  --> src/test/enom.rs:2:5
Dec 12 06:24:43.766 INFO [stderr]   |
Dec 12 06:24:43.766 INFO [stderr] 2 | use mock::*;
Dec 12 06:24:43.767 INFO [stderr]   |     ^^^^^^^
Dec 12 06:24:43.767 INFO [stderr] 
Dec 12 06:24:43.850 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.850 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:128:44
Dec 12 06:24:43.850 INFO [stderr]     |
Dec 12 06:24:43.850 INFO [stderr] 128 |     fn write_byte<T: Transport>(&mut self, mut transport: &mut T, value: i8) -> Result<()> {
Dec 12 06:24:43.850 INFO [stderr]     |                                            ----^^^^^^^^^
Dec 12 06:24:43.850 INFO [stderr]     |                                            |
Dec 12 06:24:43.850 INFO [stderr]     |                                            help: remove this `mut`
Dec 12 06:24:43.850 INFO [stderr]     |
Dec 12 06:24:43.850 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 06:24:43.850 INFO [stderr] 
Dec 12 06:24:43.852 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.852 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:132:43
Dec 12 06:24:43.852 INFO [stderr]     |
Dec 12 06:24:43.852 INFO [stderr] 132 |     fn write_i16<T: Transport>(&mut self, mut transport: &mut T, value: i16) -> Result<()> {
Dec 12 06:24:43.852 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:43.852 INFO [stderr]     |                                           |
Dec 12 06:24:43.852 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:43.852 INFO [stderr] 
Dec 12 06:24:43.852 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.852 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:136:43
Dec 12 06:24:43.852 INFO [stderr]     |
Dec 12 06:24:43.852 INFO [stderr] 136 |     fn write_i32<T: Transport>(&mut self, mut transport: &mut T, value: i32) -> Result<()> {
Dec 12 06:24:43.852 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:43.852 INFO [stderr]     |                                           |
Dec 12 06:24:43.852 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:43.852 INFO [stderr] 
Dec 12 06:24:43.856 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.856 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:140:43
Dec 12 06:24:43.856 INFO [stderr]     |
Dec 12 06:24:43.856 INFO [stderr] 140 |     fn write_i64<T: Transport>(&mut self, mut transport: &mut T, value: i64) -> Result<()> {
Dec 12 06:24:43.856 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:43.856 INFO [stderr]     |                                           |
Dec 12 06:24:43.856 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:43.856 INFO [stderr] 
Dec 12 06:24:43.856 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.856 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:144:46
Dec 12 06:24:43.856 INFO [stderr]     |
Dec 12 06:24:43.856 INFO [stderr] 144 |     fn write_double<T: Transport>(&mut self, mut transport: &mut T, value: f64) -> Result<()> {
Dec 12 06:24:43.856 INFO [stderr]     |                                              ----^^^^^^^^^
Dec 12 06:24:43.856 INFO [stderr]     |                                              |
Dec 12 06:24:43.856 INFO [stderr]     |                                              help: remove this `mut`
Dec 12 06:24:43.856 INFO [stderr] 
Dec 12 06:24:43.896 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:43.896 INFO [stderr]   --> src/virt.rs:25:38
Dec 12 06:24:43.896 INFO [stderr]    |
Dec 12 06:24:43.896 INFO [stderr] 25 |     fn encode<'p, 't, P1, T1>(&self, mut protocol: &'p mut P1, mut transport: &'t mut T1) -> Result<()>
Dec 12 06:24:43.896 INFO [stderr]    |                                      ----^^^^^^^^
Dec 12 06:24:43.896 INFO [stderr]    |                                      |
Dec 12 06:24:43.896 INFO [stderr]    |                                      help: remove this `mut`
Dec 12 06:24:43.896 INFO [stderr] 
Dec 12 06:24:44.160 INFO [stderr] warning: type alias is never used: `VirtualProxy`
Dec 12 06:24:44.160 INFO [stderr]  --> src/proxy.rs:7:1
Dec 12 06:24:44.160 INFO [stderr]   |
Dec 12 06:24:44.160 INFO [stderr] 7 | type VirtualProxy = for<'e> Proxy<VirtualEncodeObject<'e>>;
Dec 12 06:24:44.160 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:24:44.160 INFO [stderr]   |
Dec 12 06:24:44.160 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 06:24:44.160 INFO [stderr] 
Dec 12 06:24:44.864 INFO [stderr] warning: unused import: `std::io::Read`
Dec 12 06:24:44.864 INFO [stderr]  --> src/mock/mod.rs:2:5
Dec 12 06:24:44.864 INFO [stderr]   |
Dec 12 06:24:44.864 INFO [stderr] 2 | use std::io::Read as IoRead;
Dec 12 06:24:44.864 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 06:24:44.864 INFO [stderr] 
Dec 12 06:24:44.864 INFO [stderr] warning: unused import: `std::io::Write`
Dec 12 06:24:44.864 INFO [stderr]  --> src/mock/mod.rs:3:5
Dec 12 06:24:44.864 INFO [stderr]   |
Dec 12 06:24:44.864 INFO [stderr] 3 | use std::io::Write as IoWrite;
Dec 12 06:24:44.864 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 06:24:44.864 INFO [stderr] 
Dec 12 06:24:45.024 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.024 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:128:44
Dec 12 06:24:45.024 INFO [stderr]     |
Dec 12 06:24:45.024 INFO [stderr] 128 |     fn write_byte<T: Transport>(&mut self, mut transport: &mut T, value: i8) -> Result<()> {
Dec 12 06:24:45.024 INFO [stderr]     |                                            ----^^^^^^^^^
Dec 12 06:24:45.024 INFO [stderr]     |                                            |
Dec 12 06:24:45.024 INFO [stderr]     |                                            help: remove this `mut`
Dec 12 06:24:45.024 INFO [stderr]     |
Dec 12 06:24:45.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 06:24:45.024 INFO [stderr] 
Dec 12 06:24:45.024 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.024 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:132:43
Dec 12 06:24:45.024 INFO [stderr]     |
Dec 12 06:24:45.024 INFO [stderr] 132 |     fn write_i16<T: Transport>(&mut self, mut transport: &mut T, value: i16) -> Result<()> {
Dec 12 06:24:45.024 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:45.024 INFO [stderr]     |                                           |
Dec 12 06:24:45.024 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:45.024 INFO [stderr] 
Dec 12 06:24:45.024 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.024 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:136:43
Dec 12 06:24:45.024 INFO [stderr]     |
Dec 12 06:24:45.024 INFO [stderr] 136 |     fn write_i32<T: Transport>(&mut self, mut transport: &mut T, value: i32) -> Result<()> {
Dec 12 06:24:45.025 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:45.025 INFO [stderr]     |                                           |
Dec 12 06:24:45.025 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:45.025 INFO [stderr] 
Dec 12 06:24:45.028 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.028 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:140:43
Dec 12 06:24:45.028 INFO [stderr]     |
Dec 12 06:24:45.028 INFO [stderr] 140 |     fn write_i64<T: Transport>(&mut self, mut transport: &mut T, value: i64) -> Result<()> {
Dec 12 06:24:45.028 INFO [stderr]     |                                           ----^^^^^^^^^
Dec 12 06:24:45.028 INFO [stderr]     |                                           |
Dec 12 06:24:45.028 INFO [stderr]     |                                           help: remove this `mut`
Dec 12 06:24:45.028 INFO [stderr] 
Dec 12 06:24:45.028 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.028 INFO [stderr]    --> src/protocol/binary_protocol/mod.rs:144:46
Dec 12 06:24:45.028 INFO [stderr]     |
Dec 12 06:24:45.028 INFO [stderr] 144 |     fn write_double<T: Transport>(&mut self, mut transport: &mut T, value: f64) -> Result<()> {
Dec 12 06:24:45.028 INFO [stderr]     |                                              ----^^^^^^^^^
Dec 12 06:24:45.028 INFO [stderr]     |                                              |
Dec 12 06:24:45.028 INFO [stderr]     |                                              help: remove this `mut`
Dec 12 06:24:45.028 INFO [stderr] 
Dec 12 06:24:45.112 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:24:45.112 INFO [stderr]   --> src/virt.rs:25:38
Dec 12 06:24:45.112 INFO [stderr]    |
Dec 12 06:24:45.112 INFO [stderr] 25 |     fn encode<'p, 't, P1, T1>(&self, mut protocol: &'p mut P1, mut transport: &'t mut T1) -> Result<()>
Dec 12 06:24:45.112 INFO [stderr]    |                                      ----^^^^^^^^
Dec 12 06:24:45.112 INFO [stderr]    |                                      |
Dec 12 06:24:45.112 INFO [stderr]    |                                      help: remove this `mut`
Dec 12 06:24:45.112 INFO [stderr] 
Dec 12 06:24:45.416 INFO [stderr] warning: type alias is never used: `VirtualProxy`
Dec 12 06:24:45.416 INFO [stderr]  --> src/proxy.rs:7:1
Dec 12 06:24:45.416 INFO [stderr]   |
Dec 12 06:24:45.416 INFO [stderr] 7 | type VirtualProxy = for<'e> Proxy<VirtualEncodeObject<'e>>;
Dec 12 06:24:45.416 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:24:45.416 INFO [stderr]   |
Dec 12 06:24:45.416 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 06:24:45.416 INFO [stderr] 
Dec 12 06:24:45.482 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
Dec 12 06:24:45.489 INFO [stderr] su: No module specific data is present
Dec 12 06:24:46.480 INFO running `"docker" "inspect" "d7239cdbeb75fdd4a7bf457ed70b21bc4fec395a35a13d9c0c8146ef3c3d0f8d"`
Dec 12 06:24:46.727 INFO running `"docker" "rm" "-f" "d7239cdbeb75fdd4a7bf457ed70b21bc4fec395a35a13d9c0c8146ef3c3d0f8d"`
Dec 12 06:24:46.924 INFO [stdout] d7239cdbeb75fdd4a7bf457ed70b21bc4fec395a35a13d9c0c8146ef3c3d0f8d