[INFO] crate steganer 1.1.0-post4 is already in cache [INFO] testing steganer-1.1.0-post4 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate steganer 1.1.0-post4 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate steganer 1.1.0-post4 [INFO] finished tweaking crates.io crate steganer 1.1.0-post4 [INFO] tweaked toml for crates.io crate steganer 1.1.0-post4 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate steganer 1.1.0-post4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 33715e4444e895feea16fd711fd4d36d6a936ec011c929ef5ae71e9cf91e49b0 [INFO] running `Command { std: "docker" "start" "-a" "33715e4444e895feea16fd711fd4d36d6a936ec011c929ef5ae71e9cf91e49b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33715e4444e895feea16fd711fd4d36d6a936ec011c929ef5ae71e9cf91e49b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33715e4444e895feea16fd711fd4d36d6a936ec011c929ef5ae71e9cf91e49b0", kill_on_drop: false }` [INFO] [stdout] 33715e4444e895feea16fd711fd4d36d6a936ec011c929ef5ae71e9cf91e49b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c03642835b63faeece7e60b1a93d18f1a80ec867c8b60a34d96b05511c4615a3 [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" "c03642835b63faeece7e60b1a93d18f1a80ec867c8b60a34d96b05511c4615a3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling bitreader v0.3.2 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling pyo3cls v0.8.1 [INFO] [stderr] Compiling inventory v0.1.4 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc v0.3.4 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling pyo3 v0.8.1 [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-3fcf22627de1c350/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Error: pyo3 requires a nightly or dev version of Rust.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:537:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5563bf7f2da5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5563bf7f2da5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5563bf7f2da5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5563bf7f2da5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5563bf819c7c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5563bf7f0152 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5563bf7f5260 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5563bf7f5260 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5563bf7f5260 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5563bf7f4fac - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5563bf7f58a3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5563bf610fb9 - std::panicking::begin_panic::h9974c35cae4ce04e [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x5563bf5c4c56 - build_script_build::check_rustc_version::h89f739011ccb2d77 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:537 [INFO] [stderr] 13: 0x5563bf5c4fc7 - build_script_build::main::h028c4fa8365669f4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:558 [INFO] [stderr] 14: 0x5563bf5e093d - std::rt::lang_start::{{closure}}::hfd962bb6c2b5e3ce [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x5563bf7f5c73 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x5563bf7f5c73 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 17: 0x5563bf7f5c73 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 18: 0x5563bf7f5c73 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5563bf7f5c73 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x5563bf5e0907 - std::rt::lang_start::h8966f1365e6c5c66 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x5563bf5c9e5a - main [INFO] [stderr] 22: 0x7f4b71a1b0b3 - __libc_start_main [INFO] [stderr] 23: 0x5563bf5bf17e - _start [INFO] [stderr] 24: 0x0 - [INFO] running `Command { std: "docker" "inspect" "c03642835b63faeece7e60b1a93d18f1a80ec867c8b60a34d96b05511c4615a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03642835b63faeece7e60b1a93d18f1a80ec867c8b60a34d96b05511c4615a3", kill_on_drop: false }` [INFO] [stdout] c03642835b63faeece7e60b1a93d18f1a80ec867c8b60a34d96b05511c4615a3