[INFO] cloning repository duytai/slint
[INFO] running `"git" "clone" "--bare" "git://github.com/duytai/slint.git" "work/cache/sources/gh/duytai/slint"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/duytai/slint'...
[INFO] running `"git" "clone" "work/cache/sources/gh/duytai/slint" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/duytai/slint" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/duytai/slint"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/duytai/slint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b21985185ab7ba0ed7ed764aafdead30bff25d67
[INFO] sha for GitHub repo duytai/slint: b21985185ab7ba0ed7ed764aafdead30bff25d67
[INFO] validating manifest of duytai/slint on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of duytai/slint on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing duytai/slint
[INFO] finished frobbing duytai/slint
[INFO] frobbed toml for duytai/slint written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint/Cargo.toml
[INFO] started frobbing duytai/slint
[INFO] finished frobbing duytai/slint
[INFO] frobbed toml for duytai/slint written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/duytai/slint/Cargo.toml
[INFO] crate duytai/slint already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing duytai/slint against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 2be30ea7b2693a0f1cea50d142003a20d539c7d238d4da7a81690a8ea7defb94
[INFO] running `"docker" "start" "-a" "2be30ea7b2693a0f1cea50d142003a20d539c7d238d4da7a81690a8ea7defb94"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling slint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/tree.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{ HashMap };
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |     rules: &'a mut Vec<Box<Rule>>,
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:28:86
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(compile_output: &'a (String, json::JsonValue), rules: &'a mut Vec<Box<Rule>>) -> Self {
[INFO] [stderr]    |                                                                                      ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:36
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut rules: Vec<Box<Rule>> = vec![];
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/rule/block_timestamp.rs:62:19
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn fix(&self, source: &str) -> Vec<String> {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_string`
[INFO] [stderr]   --> src/rule/integer_overflow.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let type_string = node["typeDescriptions"]["typeString"].as_str().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_string`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/tree.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `past_lib_level`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     past_lib_level: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `has_safemath`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     has_safemath: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `"docker" "inspect" "2be30ea7b2693a0f1cea50d142003a20d539c7d238d4da7a81690a8ea7defb94"`
[INFO] running `"docker" "rm" "-f" "2be30ea7b2693a0f1cea50d142003a20d539c7d238d4da7a81690a8ea7defb94"`
[INFO] [stdout] 2be30ea7b2693a0f1cea50d142003a20d539c7d238d4da7a81690a8ea7defb94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb56d9d0f775103e58992ca93e48c78df422428394df90fc0802c8480b360a20
[INFO] running `"docker" "start" "-a" "bb56d9d0f775103e58992ca93e48c78df422428394df90fc0802c8480b360a20"`
[INFO] [stderr]    Compiling slint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/tree.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{ HashMap };
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |     rules: &'a mut Vec<Box<Rule>>,
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:28:86
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(compile_output: &'a (String, json::JsonValue), rules: &'a mut Vec<Box<Rule>>) -> Self {
[INFO] [stderr]    |                                                                                      ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:36
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut rules: Vec<Box<Rule>> = vec![];
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Rule`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/rule/block_timestamp.rs:62:19
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn fix(&self, source: &str) -> Vec<String> {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_string`
[INFO] [stderr]   --> src/rule/integer_overflow.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let type_string = node["typeDescriptions"]["typeString"].as_str().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_string`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/tree.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `past_lib_level`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     past_lib_level: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `has_safemath`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     has_safemath: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "bb56d9d0f775103e58992ca93e48c78df422428394df90fc0802c8480b360a20"`
[INFO] running `"docker" "rm" "-f" "bb56d9d0f775103e58992ca93e48c78df422428394df90fc0802c8480b360a20"`
[INFO] [stdout] bb56d9d0f775103e58992ca93e48c78df422428394df90fc0802c8480b360a20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/duytai/slint:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] e84821caa53995036e5bf14b709bd4aa29a55155d362c75dd371d264ad43c9bc
[INFO] running `"docker" "start" "-a" "e84821caa53995036e5bf14b709bd4aa29a55155d362c75dd371d264ad43c9bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slint-0ea17e675b121b02
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e84821caa53995036e5bf14b709bd4aa29a55155d362c75dd371d264ad43c9bc"`
[INFO] running `"docker" "rm" "-f" "e84821caa53995036e5bf14b709bd4aa29a55155d362c75dd371d264ad43c9bc"`
[INFO] [stdout] e84821caa53995036e5bf14b709bd4aa29a55155d362c75dd371d264ad43c9bc