[INFO] cloning repository https://github.com/cjkenn/kolga
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjkenn/kolga" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkenn%2Fkolga", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkenn%2Fkolga'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7997d30a823e26ac2e79a6b0f5a42ce4388b28ac
[INFO] checking cjkenn/kolga against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjkenn%2Fkolga" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjkenn/kolga on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjkenn/kolga
[INFO] finished tweaking git repo https://github.com/cjkenn/kolga
[INFO] tweaked toml for git repo https://github.com/cjkenn/kolga written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cjkenn/kolga already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v100.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c8444bfc4401ebb125b0cf84cca58611476cfca6be62c6030493bd16a6205b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24c8444bfc4401ebb125b0cf84cca58611476cfca6be62c6030493bd16a6205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c8444bfc4401ebb125b0cf84cca58611476cfca6be62c6030493bd16a6205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c8444bfc4401ebb125b0cf84cca58611476cfca6be62c6030493bd16a6205b", kill_on_drop: false }`
[INFO] [stdout] 24c8444bfc4401ebb125b0cf84cca58611476cfca6be62c6030493bd16a6205b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42621a47d1a9bee857577ee8cc811c2c8d69b705a74ce511405ec4e7b92b7fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b42621a47d1a9bee857577ee8cc811c2c8d69b705a74ce511405ec4e7b92b7fa", kill_on_drop: false }`
[INFO] [stderr]     Checking kolgac_errors v0.1.0 (/opt/rustwide/workdir/kolgac_errors)
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking kolgac v0.1.0 (/opt/rustwide/workdir/kolgac)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> kolgac/src/symtab.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         while curr >= 0 {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> kolgac/src/symtab.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         while curr >= 0 {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking kolgac_types v0.1.0 (/opt/rustwide/workdir/kolgac_types)
[INFO] [stderr]     Checking kolgac_ir v0.1.0 (/opt/rustwide/workdir/kolgac_ir)
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]     Checking kolgac_llvm v0.1.0 (/opt/rustwide/workdir/kolgac_llvm)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> kolgac_llvm/src/obj.rs:49:80
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut err_str = CString::new("writing obj file failed").unwrap().as_ptr() as *mut _;
[INFO] [stdout]    |                               ------------------------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> kolgac_llvm/src/valtab.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |         while curr >= 0 {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> kolgac_llvm/src/obj.rs:49:80
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut err_str = CString::new("writing obj file failed").unwrap().as_ptr() as *mut _;
[INFO] [stdout]    |                               ------------------------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> kolgac_llvm/src/valtab.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |         while curr >= 0 {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> kolgac_llvm/tests/codegen_test.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn run(input_filename: &str, output_filename: &str, expected_filename: &str) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diff_files`
[INFO] [stdout]   --> kolgac_llvm/tests/codegen_test.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn diff_files(filename1: String, filename2: String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking kolgac_driver v0.1.0 (/opt/rustwide/workdir/kolgac_driver)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "b42621a47d1a9bee857577ee8cc811c2c8d69b705a74ce511405ec4e7b92b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42621a47d1a9bee857577ee8cc811c2c8d69b705a74ce511405ec4e7b92b7fa", kill_on_drop: false }`
[INFO] [stdout] b42621a47d1a9bee857577ee8cc811c2c8d69b705a74ce511405ec4e7b92b7fa