[INFO] updating cached repository huangqian/rust-in-action
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huangqian/rust-in-action
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huangqian/rust-in-action" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/huangqian/rust-in-action"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/huangqian/rust-in-action'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huangqian/rust-in-action" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1b21944716a10fe3343078e0eee06bd7f74b4be
[INFO] sha for GitHub repo huangqian/rust-in-action: a1b21944716a10fe3343078e0eee06bd7f74b4be
[INFO] validating manifest of huangqian/rust-in-action on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of huangqian/rust-in-action on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing huangqian/rust-in-action
[INFO] removed 0 missing examples
[INFO] finished frobbing huangqian/rust-in-action
[INFO] frobbed toml for huangqian/rust-in-action written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/huangqian/rust-in-action/Cargo.toml
[INFO] started frobbing huangqian/rust-in-action
[INFO] removed 0 missing examples
[INFO] finished frobbing huangqian/rust-in-action
[INFO] frobbed toml for huangqian/rust-in-action written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action/Cargo.toml
[INFO] crate huangqian/rust-in-action has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing huangqian/rust-in-action against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] ade34fd1e12414326159b95a4b75db3526dd97e103a23956b29606538876f661
[INFO] running `"docker" "start" "-a" "ade34fd1e12414326159b95a4b75db3526dd97e103a23956b29606538876f661"`
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling combine v3.5.2
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling mysql_common v0.9.2
[INFO] [stderr]    Compiling mysql v14.1.1
[INFO] [stderr]    Compiling rust-in-action v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `user1`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let user1 = User{
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_user1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]   --> src/main.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct User{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `struct_example`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn struct_example(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.75s
[INFO] running `"docker" "inspect" "ade34fd1e12414326159b95a4b75db3526dd97e103a23956b29606538876f661"`
[INFO] running `"docker" "rm" "-f" "ade34fd1e12414326159b95a4b75db3526dd97e103a23956b29606538876f661"`
[INFO] [stdout] ade34fd1e12414326159b95a4b75db3526dd97e103a23956b29606538876f661
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e7c74805790c6d28a6dc769aac6ab834569a02efce6cc0acc9b62cf32ea33ec2
[INFO] running `"docker" "start" "-a" "e7c74805790c6d28a6dc769aac6ab834569a02efce6cc0acc9b62cf32ea33ec2"`
[INFO] [stderr]    Compiling rust-in-action v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `user1`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let user1 = User{
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_user1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]   --> src/main.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct User{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `struct_example`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn struct_example(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]   --> examples/structs.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let black = Color(0, 0, 0);
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_black`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> examples/structs.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let origin = Point(0, 0, 0);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `can_hold`
[INFO] [stderr]   --> examples/structs.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn can_hold(&self, other: &Rectangle) -> bool{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/mysql.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `while_case`
[INFO] [stderr]   --> examples/loop.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn while_case(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `while_demo_2`
[INFO] [stderr]   --> examples/loop.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn while_demo_2(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]  --> examples/ownership.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let s2 = s1;
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_s2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `one`
[INFO] [stderr]   --> examples/match.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let one = increment(None);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alabama`
[INFO] [stderr]   --> examples/match.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Alabama,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nickel`
[INFO] [stderr]   --> examples/match.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Nickel,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dime`
[INFO] [stderr]   --> examples/match.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Dime,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f2`
[INFO] [stderr]   --> examples/copy.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let f2 = f1;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_f2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `IpAddrKind`
[INFO] [stderr]  --> examples/enums.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum IpAddrKind{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `"docker" "inspect" "e7c74805790c6d28a6dc769aac6ab834569a02efce6cc0acc9b62cf32ea33ec2"`
[INFO] running `"docker" "rm" "-f" "e7c74805790c6d28a6dc769aac6ab834569a02efce6cc0acc9b62cf32ea33ec2"`
[INFO] [stdout] e7c74805790c6d28a6dc769aac6ab834569a02efce6cc0acc9b62cf32ea33ec2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/huangqian/rust-in-action:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] f00aead826f5aa6a37e463a7a8c88b21041e0cfb6c279c0908f2a1d8b985d030
[INFO] running `"docker" "start" "-a" "f00aead826f5aa6a37e463a7a8c88b21041e0cfb6c279c0908f2a1d8b985d030"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_in_action-40c0eccc1041d084
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::hello_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_in_action-5af41f6d8836f2cd
[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] [stderr]    Doc-tests rust-in-action
[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" "f00aead826f5aa6a37e463a7a8c88b21041e0cfb6c279c0908f2a1d8b985d030"`
[INFO] running `"docker" "rm" "-f" "f00aead826f5aa6a37e463a7a8c88b21041e0cfb6c279c0908f2a1d8b985d030"`
[INFO] [stdout] f00aead826f5aa6a37e463a7a8c88b21041e0cfb6c279c0908f2a1d8b985d030