[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] checking zhangshuyx/print_char against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Fprint_char" "/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/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhangshuyx/print_char on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 823583b6c5abe6e1ed9a2b42b94958b2bc5710875fefc19b046c3cce10bfddb1
[INFO] running `Command { std: "docker" "start" "-a" "823583b6c5abe6e1ed9a2b42b94958b2bc5710875fefc19b046c3cce10bfddb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "823583b6c5abe6e1ed9a2b42b94958b2bc5710875fefc19b046c3cce10bfddb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823583b6c5abe6e1ed9a2b42b94958b2bc5710875fefc19b046c3cce10bfddb1", kill_on_drop: false }`
[INFO] [stdout] 823583b6c5abe6e1ed9a2b42b94958b2bc5710875fefc19b046c3cce10bfddb1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccdc571ee4f43fd5ba758283ec8c696ce3e823d159159e4ef7a88e788adec66f
[INFO] running `Command { std: "docker" "start" "-a" "ccdc571ee4f43fd5ba758283ec8c696ce3e823d159159e4ef7a88e788adec66f", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 0.23s
[INFO] running `Command { std: "docker" "inspect" "ccdc571ee4f43fd5ba758283ec8c696ce3e823d159159e4ef7a88e788adec66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdc571ee4f43fd5ba758283ec8c696ce3e823d159159e4ef7a88e788adec66f", kill_on_drop: false }`
[INFO] [stdout] ccdc571ee4f43fd5ba758283ec8c696ce3e823d159159e4ef7a88e788adec66f