[INFO] cloning repository https://github.com/ZuseZ4/enzyme_build
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZuseZ4/enzyme_build" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuseZ4%2Fenzyme_build", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuseZ4%2Fenzyme_build'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee84fd20cf47a74581fc8a26ca1713539d529dba
[INFO] testing ZuseZ4/enzyme_build against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuseZ4%2Fenzyme_build" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZuseZ4/enzyme_build on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZuseZ4/enzyme_build
[INFO] finished tweaking git repo https://github.com/ZuseZ4/enzyme_build
[INFO] tweaked toml for git repo https://github.com/ZuseZ4/enzyme_build written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 919ac9d4234cf589ac6c8931501ac23047e1c5372cb9fd206ed79ccfa17faf50
[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" "919ac9d4234cf589ac6c8931501ac23047e1c5372cb9fd206ed79ccfa17faf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919ac9d4234cf589ac6c8931501ac23047e1c5372cb9fd206ed79ccfa17faf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919ac9d4234cf589ac6c8931501ac23047e1c5372cb9fd206ed79ccfa17faf50", kill_on_drop: false }`
[INFO] [stdout] 919ac9d4234cf589ac6c8931501ac23047e1c5372cb9fd206ed79ccfa17faf50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b58923fe74b21d59fd673d0a8dfb1275b09166788d9c40a5637640f963e39cf
[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" "3b58923fe74b21d59fd673d0a8dfb1275b09166788d9c40a5637640f963e39cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling enzyme_build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/downloader.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::{PathBuf, Path};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileHandler` should have a snake case name
[INFO] [stdout]   --> src/downloader.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(fileHandler) => fileHandler,
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `file_handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "3b58923fe74b21d59fd673d0a8dfb1275b09166788d9c40a5637640f963e39cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b58923fe74b21d59fd673d0a8dfb1275b09166788d9c40a5637640f963e39cf", kill_on_drop: false }`
[INFO] [stdout] 3b58923fe74b21d59fd673d0a8dfb1275b09166788d9c40a5637640f963e39cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05801827ca637d592071cda8acc913c24f77316d62144006adff141faae903c
[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" "e05801827ca637d592071cda8acc913c24f77316d62144006adff141faae903c", kill_on_drop: false }`
[INFO] [stderr]    Compiling enzyme_build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/downloader.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::{PathBuf, Path};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileHandler` should have a snake case name
[INFO] [stdout]   --> src/downloader.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(fileHandler) => fileHandler,
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `file_handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/downloader.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::{PathBuf, Path};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileHandler` should have a snake case name
[INFO] [stdout]   --> src/downloader.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(fileHandler) => fileHandler,
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `file_handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "e05801827ca637d592071cda8acc913c24f77316d62144006adff141faae903c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05801827ca637d592071cda8acc913c24f77316d62144006adff141faae903c", kill_on_drop: false }`
[INFO] [stdout] e05801827ca637d592071cda8acc913c24f77316d62144006adff141faae903c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1484ff85621bbdec532d688c78a175ae596217d259a07509353e1c6d512e9736
[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" "1484ff85621bbdec532d688c78a175ae596217d259a07509353e1c6d512e9736", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/downloader.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::{PathBuf, Path};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fileHandler` should have a snake case name
[INFO] [stderr]   --> src/downloader.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Ok(fileHandler) => fileHandler,
[INFO] [stderr]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `file_handler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `enzyme_build` (lib) generated 2 warnings
[INFO] [stderr] warning: `enzyme_build` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enzyme_build-31c9d8012b0191da)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enzyme_build-86ec995ea755982f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests enzyme_build
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[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" "1484ff85621bbdec532d688c78a175ae596217d259a07509353e1c6d512e9736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1484ff85621bbdec532d688c78a175ae596217d259a07509353e1c6d512e9736", kill_on_drop: false }`
[INFO] [stdout] 1484ff85621bbdec532d688c78a175ae596217d259a07509353e1c6d512e9736