[INFO] cloning repository https://github.com/zhangshuyx/print_char
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangshuyx/print_char" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Fprint_char", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Fprint_char'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7789ba4e4ba4d42b8db1bb69828c059e136a1547
[INFO] testing zhangshuyx/print_char against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Fprint_char" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangshuyx/print_char on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhangshuyx/print_char
[INFO] finished tweaking git repo https://github.com/zhangshuyx/print_char
[INFO] tweaked toml for git repo https://github.com/zhangshuyx/print_char written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangshuyx/print_char 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15365184de30bef7826c1de6d9b94ddc6761995c3ac1a231f97ddd7b1145620b
[INFO] running `Command { std: "docker" "start" "-a" "15365184de30bef7826c1de6d9b94ddc6761995c3ac1a231f97ddd7b1145620b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15365184de30bef7826c1de6d9b94ddc6761995c3ac1a231f97ddd7b1145620b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15365184de30bef7826c1de6d9b94ddc6761995c3ac1a231f97ddd7b1145620b", kill_on_drop: false }`
[INFO] [stdout] 15365184de30bef7826c1de6d9b94ddc6761995c3ac1a231f97ddd7b1145620b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a189b54b38dac9afd1cb008ead4f2d76c5a93ee587eddedaac63262664db573f
[INFO] running `Command { std: "docker" "start" "-a" "a189b54b38dac9afd1cb008ead4f2d76c5a93ee587eddedaac63262664db573f", kill_on_drop: false }`
[INFO] [stderr]    Compiling print_char v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_char_Az` should have a snake case name
[INFO] [stdout]  --> src/garden/print_char.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_char_Az() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_az`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_char_aZ` should have a snake case name
[INFO] [stdout]  --> src/garden/garden2/print_char2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_char_aZ() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_a_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a189b54b38dac9afd1cb008ead4f2d76c5a93ee587eddedaac63262664db573f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a189b54b38dac9afd1cb008ead4f2d76c5a93ee587eddedaac63262664db573f", kill_on_drop: false }`
[INFO] [stdout] a189b54b38dac9afd1cb008ead4f2d76c5a93ee587eddedaac63262664db573f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b240e1a43bba78a63035a3231bc245b6bafbb985bf366f8fb4bd7d2b1bbafc0
[INFO] running `Command { std: "docker" "start" "-a" "4b240e1a43bba78a63035a3231bc245b6bafbb985bf366f8fb4bd7d2b1bbafc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling print_char v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_char_Az` should have a snake case name
[INFO] [stdout]  --> src/garden/print_char.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_char_Az() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_az`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_char_aZ` should have a snake case name
[INFO] [stdout]  --> src/garden/garden2/print_char2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_char_aZ() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_a_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4b240e1a43bba78a63035a3231bc245b6bafbb985bf366f8fb4bd7d2b1bbafc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b240e1a43bba78a63035a3231bc245b6bafbb985bf366f8fb4bd7d2b1bbafc0", kill_on_drop: false }`
[INFO] [stdout] 4b240e1a43bba78a63035a3231bc245b6bafbb985bf366f8fb4bd7d2b1bbafc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ab8d73f82243c9d1e6f37c9af2edfd1d3d933a3108dd0904586b0b7b4daba4c
[INFO] running `Command { std: "docker" "start" "-a" "2ab8d73f82243c9d1e6f37c9af2edfd1d3d933a3108dd0904586b0b7b4daba4c", kill_on_drop: false }`
[INFO] [stderr] warning: function `print_char_Az` should have a snake case name
[INFO] [stderr]  --> src/garden/print_char.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn print_char_Az() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_az`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_char_aZ` should have a snake case name
[INFO] [stderr]  --> src/garden/garden2/print_char2.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn print_char_aZ() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_char_a_z`
[INFO] [stderr] 
[INFO] [stderr] warning: `print_char` (bin "print_char" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/print_char-e6853b8adaddf937)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ab8d73f82243c9d1e6f37c9af2edfd1d3d933a3108dd0904586b0b7b4daba4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab8d73f82243c9d1e6f37c9af2edfd1d3d933a3108dd0904586b0b7b4daba4c", kill_on_drop: false }`
[INFO] [stdout] 2ab8d73f82243c9d1e6f37c9af2edfd1d3d933a3108dd0904586b0b7b4daba4c