[INFO] cloning repository https://github.com/svencp/delete_files_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svencp/delete_files_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvencp%2Fdelete_files_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvencp%2Fdelete_files_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14151490a1bf8a99c702472de790b4c45b29878c
[INFO] building svencp/delete_files_list against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvencp%2Fdelete_files_list" "/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/svencp/delete_files_list on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/svencp/delete_files_list
[INFO] finished tweaking git repo https://github.com/svencp/delete_files_list
[INFO] tweaked toml for git repo https://github.com/svencp/delete_files_list written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/svencp/delete_files_list 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v2.0.1
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efedb2f11da74371932f7beefd5a4a81ced2439137ed8f47ed37701be7d2631d
[INFO] running `Command { std: "docker" "start" "-a" "efedb2f11da74371932f7beefd5a4a81ced2439137ed8f47ed37701be7d2631d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efedb2f11da74371932f7beefd5a4a81ced2439137ed8f47ed37701be7d2631d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efedb2f11da74371932f7beefd5a4a81ced2439137ed8f47ed37701be7d2631d", kill_on_drop: false }`
[INFO] [stdout] efedb2f11da74371932f7beefd5a4a81ced2439137ed8f47ed37701be7d2631d
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8e600bf440eff32daa8a1d0a50ffe81956d3b1303f691bdb38639c77f0997e
[INFO] running `Command { std: "docker" "start" "-a" "fd8e600bf440eff32daa8a1d0a50ffe81956d3b1303f691bdb38639c77f0997e", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling delete_files_list v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MY_NORMAL_GRAY` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const MY_NORMAL_GRAY: color::Rgb =  color::Rgb (177, 177, 177);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_YELLOW` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const MY_YELLOW: color::Rgb      =  color::Rgb (253, 185, 73);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_WHITE` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const MY_WHITE: color::Rgb       =  color::Rgb (230, 230, 230);
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_WHITER` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MY_WHITER: color::Rgb      =  color::Rgb (160, 160, 160);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_response` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn show_response(now: SystemTime){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `underline_string` is never used
[INFO] [stdout]    --> src/library/my_utils.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn underline_string(str: String){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `units` is never used
[INFO] [stdout]    --> src/library/my_utils.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn units(unit: &str, how_many: usize) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "fd8e600bf440eff32daa8a1d0a50ffe81956d3b1303f691bdb38639c77f0997e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8e600bf440eff32daa8a1d0a50ffe81956d3b1303f691bdb38639c77f0997e", kill_on_drop: false }`
[INFO] [stdout] fd8e600bf440eff32daa8a1d0a50ffe81956d3b1303f691bdb38639c77f0997e
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f38434b143a2adb8ad6cd9c888ac3814183caf5a16dd38018a7a94ac2d01cfaf
[INFO] running `Command { std: "docker" "start" "-a" "f38434b143a2adb8ad6cd9c888ac3814183caf5a16dd38018a7a94ac2d01cfaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling delete_files_list v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MY_NORMAL_GRAY` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const MY_NORMAL_GRAY: color::Rgb =  color::Rgb (177, 177, 177);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_YELLOW` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const MY_YELLOW: color::Rgb      =  color::Rgb (253, 185, 73);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_WHITE` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const MY_WHITE: color::Rgb       =  color::Rgb (230, 230, 230);
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_WHITER` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MY_WHITER: color::Rgb      =  color::Rgb (160, 160, 160);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_response` is never used
[INFO] [stdout]   --> src/library/my_utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn show_response(now: SystemTime){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `units` is never used
[INFO] [stdout]    --> src/library/my_utils.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn units(unit: &str, how_many: usize) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "f38434b143a2adb8ad6cd9c888ac3814183caf5a16dd38018a7a94ac2d01cfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38434b143a2adb8ad6cd9c888ac3814183caf5a16dd38018a7a94ac2d01cfaf", kill_on_drop: false }`
[INFO] [stdout] f38434b143a2adb8ad6cd9c888ac3814183caf5a16dd38018a7a94ac2d01cfaf