[INFO] cloning repository https://github.com/thebracket/rust_brain_teasers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebracket/rust_brain_teasers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0398ab8977b5a701dfbe9ca13967dcf388541d18
[INFO] checking thebracket/rust_brain_teasers against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thebracket/rust_brain_teasers
[INFO] finished tweaking git repo https://github.com/thebracket/rust_brain_teasers
[INFO] tweaked toml for git repo https://github.com/thebracket/rust_brain_teasers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thebracket/rust_brain_teasers on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thebracket/rust_brain_teasers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a25f43e565273a13ca3ec6619c9ad7afde34bbc3f4d94b9374d2c3880aa05c5f
[INFO] running `Command { std: "docker" "start" "-a" "a25f43e565273a13ca3ec6619c9ad7afde34bbc3f4d94b9374d2c3880aa05c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25f43e565273a13ca3ec6619c9ad7afde34bbc3f4d94b9374d2c3880aa05c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25f43e565273a13ca3ec6619c9ad7afde34bbc3f4d94b9374d2c3880aa05c5f", kill_on_drop: false }`
[INFO] [stdout] a25f43e565273a13ca3ec6619c9ad7afde34bbc3f4d94b9374d2c3880aa05c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d4734b3b855e110cb81cac550cb5878926f3dd98ce24106b305e159c6e344a
[INFO] running `Command { std: "docker" "start" "-a" "90d4734b3b855e110cb81cac550cb5878926f3dd98ce24106b305e159c6e344a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking reverse_polarity v0.1.0 (/opt/rustwide/workdir/reverse_polarity)
[INFO] [stderr]     Checking byte_sized_wrap v0.1.0 (/opt/rustwide/workdir/byte_sized_wrap)
[INFO] [stderr]     Checking hello_bonjour v0.1.0 (/opt/rustwide/workdir/hello_bonjour)
[INFO] [stderr]     Checking hello_bonjour_const v0.1.0 (/opt/rustwide/workdir/hello_bonjour_const)
[INFO] [stderr]     Checking mutable_immutable v0.1.0 (/opt/rustwide/workdir/mutable_immutable)
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]  --> hello_bonjour/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let hello = || println!("Hello World");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `French` is never constructed
[INFO] [stdout]  --> hello_bonjour_const/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Language { English, French }
[INFO] [stdout]   |      --------            ^^^^^^
[INFO] [stdout]   |      |
[INFO] [stdout]   |      variant in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking three_and_a_bit v0.1.0 (/opt/rustwide/workdir/three_and_a_bit)
[INFO] [stderr]     Checking x_marks_spot v0.1.0 (/opt/rustwide/workdir/x_marks_spot)
[INFO] [stderr]     Checking teasers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking const_loop_works v0.1.0 (/opt/rustwide/workdir/const_loop_works)
[INFO] [stderr]     Checking double_or_nothing_working v0.1.0 (/opt/rustwide/workdir/double_or_nothing_working)
[INFO] [stderr]     Checking hello_bonjour_static v0.1.0 (/opt/rustwide/workdir/hello_bonjour_static)
[INFO] [stderr]     Checking vec_size v0.1.0 (/opt/rustwide/workdir/vec_size)
[INFO] [stdout] error[E0425]: cannot find function `hello` in this scope
[INFO] [stdout]  --> hello_bonjour_static/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     hello();
[INFO] [stdout]   |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_bonjour_static` (bin "hello_bonjour_static") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `French` is never constructed
[INFO] [stdout]  --> hello_bonjour_const/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Language { English, French }
[INFO] [stdout]   |      --------            ^^^^^^
[INFO] [stdout]   |      |
[INFO] [stdout]   |      variant in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90d4734b3b855e110cb81cac550cb5878926f3dd98ce24106b305e159c6e344a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d4734b3b855e110cb81cac550cb5878926f3dd98ce24106b305e159c6e344a", kill_on_drop: false }`
[INFO] [stdout] 90d4734b3b855e110cb81cac550cb5878926f3dd98ce24106b305e159c6e344a
