[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#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Fprint_char" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhangshuyx/print_char on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cadf87bfb99940cc8c7455ecf6fe4f0692c2d9a8bb3117c79ce9c401a9ff11f
[INFO] running `Command { std: "docker" "start" "-a" "4cadf87bfb99940cc8c7455ecf6fe4f0692c2d9a8bb3117c79ce9c401a9ff11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cadf87bfb99940cc8c7455ecf6fe4f0692c2d9a8bb3117c79ce9c401a9ff11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cadf87bfb99940cc8c7455ecf6fe4f0692c2d9a8bb3117c79ce9c401a9ff11f", kill_on_drop: false }`
[INFO] [stdout] 4cadf87bfb99940cc8c7455ecf6fe4f0692c2d9a8bb3117c79ce9c401a9ff11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afd2149603b01404bbcf76e3bcfc05ee5415e65dec3e0a1f48fa9a1ad1ce7e10
[INFO] running `Command { std: "docker" "start" "-a" "afd2149603b01404bbcf76e3bcfc05ee5415e65dec3e0a1f48fa9a1ad1ce7e10", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "afd2149603b01404bbcf76e3bcfc05ee5415e65dec3e0a1f48fa9a1ad1ce7e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd2149603b01404bbcf76e3bcfc05ee5415e65dec3e0a1f48fa9a1ad1ce7e10", kill_on_drop: false }`
[INFO] [stdout] afd2149603b01404bbcf76e3bcfc05ee5415e65dec3e0a1f48fa9a1ad1ce7e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c37e8e3a07ac1de93960ada26e077ed76ea5987fbf520bb73fc367c625f7a0
[INFO] running `Command { std: "docker" "start" "-a" "13c37e8e3a07ac1de93960ada26e077ed76ea5987fbf520bb73fc367c625f7a0", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "13c37e8e3a07ac1de93960ada26e077ed76ea5987fbf520bb73fc367c625f7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c37e8e3a07ac1de93960ada26e077ed76ea5987fbf520bb73fc367c625f7a0", kill_on_drop: false }`
[INFO] [stdout] 13c37e8e3a07ac1de93960ada26e077ed76ea5987fbf520bb73fc367c625f7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f5b8df23e01f40a28e7e2293700b4c58b3a0f307a73fc891fb04bf6834f198a
[INFO] running `Command { std: "docker" "start" "-a" "1f5b8df23e01f40a28e7e2293700b4c58b3a0f307a73fc891fb04bf6834f198a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function `print_char_Az` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/garden/print_char.rs:1:8
[INFO] [stdout] 
[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] 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" "1f5b8df23e01f40a28e7e2293700b4c58b3a0f307a73fc891fb04bf6834f198a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5b8df23e01f40a28e7e2293700b4c58b3a0f307a73fc891fb04bf6834f198a", kill_on_drop: false }`
[INFO] [stdout] 1f5b8df23e01f40a28e7e2293700b4c58b3a0f307a73fc891fb04bf6834f198a