[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 master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangshuyx/print_char on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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-tc1/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 216b49e15f647b1ac6d301cdfc45262bdcd842e76892ca9857d8b23c2925b8ca
[INFO] running `Command { std: "docker" "start" "-a" "216b49e15f647b1ac6d301cdfc45262bdcd842e76892ca9857d8b23c2925b8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216b49e15f647b1ac6d301cdfc45262bdcd842e76892ca9857d8b23c2925b8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216b49e15f647b1ac6d301cdfc45262bdcd842e76892ca9857d8b23c2925b8ca", kill_on_drop: false }`
[INFO] [stdout] 216b49e15f647b1ac6d301cdfc45262bdcd842e76892ca9857d8b23c2925b8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b3e8f354207a4b190d18b330ac73868e74879b02ae87d20dc604acef7499e89
[INFO] running `Command { std: "docker" "start" "-a" "0b3e8f354207a4b190d18b330ac73868e74879b02ae87d20dc604acef7499e89", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "0b3e8f354207a4b190d18b330ac73868e74879b02ae87d20dc604acef7499e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3e8f354207a4b190d18b330ac73868e74879b02ae87d20dc604acef7499e89", kill_on_drop: false }`
[INFO] [stdout] 0b3e8f354207a4b190d18b330ac73868e74879b02ae87d20dc604acef7499e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 999b1e4407f9f38574fd4c9091a8c93ff4f3591b8e6b5f69bc522cfd8b73bcfc
[INFO] running `Command { std: "docker" "start" "-a" "999b1e4407f9f38574fd4c9091a8c93ff4f3591b8e6b5f69bc522cfd8b73bcfc", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "999b1e4407f9f38574fd4c9091a8c93ff4f3591b8e6b5f69bc522cfd8b73bcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999b1e4407f9f38574fd4c9091a8c93ff4f3591b8e6b5f69bc522cfd8b73bcfc", kill_on_drop: false }`
[INFO] [stdout] 999b1e4407f9f38574fd4c9091a8c93ff4f3591b8e6b5f69bc522cfd8b73bcfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bf81146a71b3f5c7588139a6ebd45e5679183ef937580abb4f361c7cddc492f
[INFO] running `Command { std: "docker" "start" "-a" "4bf81146a71b3f5c7588139a6ebd45e5679183ef937580abb4f361c7cddc492f", 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 0.02s
[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" "4bf81146a71b3f5c7588139a6ebd45e5679183ef937580abb4f361c7cddc492f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf81146a71b3f5c7588139a6ebd45e5679183ef937580abb4f361c7cddc492f", kill_on_drop: false }`
[INFO] [stdout] 4bf81146a71b3f5c7588139a6ebd45e5679183ef937580abb4f361c7cddc492f