[INFO] updating cached repository https://github.com/huangqian/rust-in-action
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f36881cede964f6008c95f60cb1004db4fba9cc2
[INFO] checking huangqian/rust-in-action against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqian%2Frust-in-action" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huangqian/rust-in-action on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/huangqian/rust-in-action
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/huangqian/rust-in-action
[INFO] tweaked toml for git repo https://github.com/huangqian/rust-in-action written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/huangqian/rust-in-action already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc78f6d48041becba5897acbcd674dd78df1557d349681dd3e8b435fc4139391
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bc78f6d48041becba5897acbcd674dd78df1557d349681dd3e8b435fc4139391"`
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling mysql v15.1.0
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atoi v0.3.1
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[INFO] [stderr]     Checking bytes v0.4.10
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[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking sha2 v0.8.0
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[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking combine v3.5.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking mysql_common v0.15.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling croaring-sys v0.4.1
[INFO] [stderr]     Checking croaring v0.4.1
[INFO] [stderr]     Checking rust-in-action v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `borrow`
[INFO] [stderr]   --> examples/borrow.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / #[cfg(test)]
[INFO] [stderr] 16 | | mod borrow_reference_pointer_test {
[INFO] [stderr] 17 | |
[INFO] [stderr] 18 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/borrow.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `rust-in-action`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]  --> examples/compile-time-function-execution.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let arr = [0, init_len()];
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `while_case`
[INFO] [stderr]   --> examples/loop.rs:11:4
[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:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn while_demo_2(){
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/function-pointer.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let a  = 2;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> examples/function-pointer.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let b  = 3;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_b`
[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: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/mysql.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `OptsBuilder`, `Opts`, `Pool`, `Value`, `from_value`
[INFO] [stderr]  --> examples/mysql.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mysql::{from_value, Opts, OptsBuilder, Pool, Value};
[INFO] [stderr]   |             ^^^^^^^^^^  ^^^^  ^^^^^^^^^^^  ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `mysql`
[INFO] [stderr]   --> examples/mysql.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / extern crate core;
[INFO] [stderr] 2  | | #[macro_use]
[INFO] [stderr] 3  | | extern crate mysql;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 87 | |     }
[INFO] [stderr] 88 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/mysql.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `rust-in-action`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0423]: expected value, found struct `LinkedList`
[INFO] [stderr]  --> examples/collection/list.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     LinkedList
[INFO] [stderr]   |     ^^^^^^^^^^ did you mean `LinkedList { /* fields */ }`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0423`.
[INFO] [stderr] error: could not compile `rust-in-action`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bc78f6d48041becba5897acbcd674dd78df1557d349681dd3e8b435fc4139391"`
[INFO] running `"docker" "rm" "-f" "bc78f6d48041becba5897acbcd674dd78df1557d349681dd3e8b435fc4139391"`
[INFO] [stdout] bc78f6d48041becba5897acbcd674dd78df1557d349681dd3e8b435fc4139391