[INFO] cloning repository https://github.com/huangqian/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huangqian/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqian%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqian%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f36881cede964f6008c95f60cb1004db4fba9cc2
[INFO] checking huangqian/rust-in-action against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqian%2Frust-in-action" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huangqian/rust-in-action on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded atoi v0.3.1
[INFO] [stderr]   Downloaded combine v3.5.2
[INFO] [stderr]   Downloaded mysql_common v0.15.0
[INFO] [stderr]   Downloaded mysql v15.1.0
[INFO] [stderr]   Downloaded redis v0.10.0
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded croaring v0.4.1
[INFO] [stderr]   Downloaded croaring-sys v0.4.1
[INFO] [stderr]   Downloaded num-bigint v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e638904cc21a5740123931bfb56f14eac79c9e50cd97ce54674b4afb2dc5144
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e638904cc21a5740123931bfb56f14eac79c9e50cd97ce54674b4afb2dc5144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e638904cc21a5740123931bfb56f14eac79c9e50cd97ce54674b4afb2dc5144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e638904cc21a5740123931bfb56f14eac79c9e50cd97ce54674b4afb2dc5144", kill_on_drop: false }`
[INFO] [stdout] 2e638904cc21a5740123931bfb56f14eac79c9e50cd97ce54674b4afb2dc5144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d8426c581c76142e9785e62abde92e15998f217eca9ed780c014ae227d8f0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39d8426c581c76142e9785e62abde92e15998f217eca9ed780c014ae227d8f0f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ucd-util v0.1.2
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[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling vec_map v0.8.1
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[INFO] [stderr]    Compiling backtrace v0.3.12
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[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
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[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 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] [stdout] warning: unused import: `redis::Commands`
[INFO] [stdout]  --> examples/redis.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use redis::Commands;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `redis`
[INFO] [stdout]   --> examples/redis.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(proc_macro_hygiene, decl_macro)]
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | extern crate redis;
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/redis.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user1`
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let user1 = User{
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: struct is never constructed: `User`
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct User{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `struct_example`
[INFO] [stdout]   --> src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn struct_example(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `box`
[INFO] [stdout]   --> examples/box.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #[cfg(test)]
[INFO] [stdout] 2  | | mod box_test {
[INFO] [stdout] 3  | |     use box_test::List::{Cons, Nil};
[INFO] [stdout] 4  | |     use MyBox;
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     }
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/box.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Structure` in this scope
[INFO] [stdout]  --> examples/structs.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     println!("{:?}", Structure(3));
[INFO] [stdout]   |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "39d8426c581c76142e9785e62abde92e15998f217eca9ed780c014ae227d8f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d8426c581c76142e9785e62abde92e15998f217eca9ed780c014ae227d8f0f", kill_on_drop: false }`
[INFO] [stdout] 39d8426c581c76142e9785e62abde92e15998f217eca9ed780c014ae227d8f0f