[INFO] cloning repository https://github.com/xinyu-zheng/umalloc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xinyu-zheng/umalloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinyu-zheng%2Fumalloc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinyu-zheng%2Fumalloc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] feeb120703fea7a81fb52c0a92a1d1c68c7b7442 [INFO] testing xinyu-zheng/umalloc against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinyu-zheng%2Fumalloc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/xinyu-zheng/umalloc [INFO] finished tweaking git repo https://github.com/xinyu-zheng/umalloc [INFO] tweaked toml for git repo https://github.com/xinyu-zheng/umalloc written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/xinyu-zheng/umalloc on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/xinyu-zheng/umalloc 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: ignoring `public` on dependency libc, pass `-Zpublic-dependency` to enable support for it [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 579a248aa2d87791c7d8fd3ed6d5875616849d5f5e1ad066e2ae6463b2df7903 [INFO] running `Command { std: "docker" "start" "-a" "579a248aa2d87791c7d8fd3ed6d5875616849d5f5e1ad066e2ae6463b2df7903", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "579a248aa2d87791c7d8fd3ed6d5875616849d5f5e1ad066e2ae6463b2df7903", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "579a248aa2d87791c7d8fd3ed6d5875616849d5f5e1ad066e2ae6463b2df7903", kill_on_drop: false }` [INFO] [stdout] 579a248aa2d87791c7d8fd3ed6d5875616849d5f5e1ad066e2ae6463b2df7903 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 097e45d941daa2215e28a3303513e6255d0b20278470a326d55b189512a7f662 [INFO] running `Command { std: "docker" "start" "-a" "097e45d941daa2215e28a3303513e6255d0b20278470a326d55b189512a7f662", kill_on_drop: false }` [INFO] [stderr] warning: ignoring `public` on dependency libc, pass `-Zpublic-dependency` to enable support for it [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling rustc-std-workspace-core v1.0.1 [INFO] [stderr] Compiling umalloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `cmp::self` and `self` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | cmp::self, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | ptr::{self, NonNull}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "097e45d941daa2215e28a3303513e6255d0b20278470a326d55b189512a7f662", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "097e45d941daa2215e28a3303513e6255d0b20278470a326d55b189512a7f662", kill_on_drop: false }` [INFO] [stdout] 097e45d941daa2215e28a3303513e6255d0b20278470a326d55b189512a7f662 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c12dd0a67a8d65a5233e9e112896ecfe7f64eae637f954abbd22639adc7770c [INFO] running `Command { std: "docker" "start" "-a" "8c12dd0a67a8d65a5233e9e112896ecfe7f64eae637f954abbd22639adc7770c", kill_on_drop: false }` [INFO] [stderr] warning: ignoring `public` on dependency libc, pass `-Zpublic-dependency` to enable support for it [INFO] [stderr] Compiling umalloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `cmp::self` and `self` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | cmp::self, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | ptr::{self, NonNull}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp::self` and `self` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | cmp::self, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | ptr::{self, NonNull}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcqFdhDm/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lgc" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{liblibc-5d03797f9255ec63,librustc_std_workspace_core-e1f3c8dc4212b422}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcqFdhDm/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/umalloc-69eb2ccb4e54e1f9" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: unable to find library -lgc [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `umalloc` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8c12dd0a67a8d65a5233e9e112896ecfe7f64eae637f954abbd22639adc7770c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c12dd0a67a8d65a5233e9e112896ecfe7f64eae637f954abbd22639adc7770c", kill_on_drop: false }` [INFO] [stdout] 8c12dd0a67a8d65a5233e9e112896ecfe7f64eae637f954abbd22639adc7770c