[INFO] fetching crate steganer 1.1.0-post4... [INFO] testing steganer-1.1.0-post4 against 1.90.0 for beta-1.91-3 [INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-4-tc1/source [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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate steganer 1.1.0-post4 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate steganer 1.1.0-post4 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pyo3-pack v0.7.0 [INFO] [stderr] Downloaded untrusted v0.6.2 [INFO] [stderr] Downloaded unindent v0.1.5 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded proc-macro2 v1.0.5 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded paste-impl v0.1.6 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded ctor v0.1.12 [INFO] [stderr] Downloaded paste v0.1.6 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded bitreader v0.3.2 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] [stderr] Downloaded ryu v1.0.1 [INFO] [stderr] Downloaded indoc v0.3.4 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded png v0.14.1 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded serde_json v1.0.41 [INFO] [stderr] Downloaded ghost v0.1.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.10 [INFO] [stderr] Downloaded backtrace v0.3.38 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded indoc-impl v0.3.4 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded pyo3 v0.8.1 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded image v0.21.3 [INFO] [stderr] Downloaded jpeg-decoder v0.1.16 [INFO] [stderr] Downloaded test_common v1.0.1 [INFO] [stderr] Downloaded pyo3-derive-backend v0.8.1 [INFO] [stderr] Downloaded tiff v0.2.2 [INFO] [stderr] Downloaded pyo3cls v0.8.1 [INFO] [stderr] Downloaded ring v0.14.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab2a2f2139706ced4675a8e21479ad21b4b2caf37ac2b920391277dc9111d6c5 [INFO] running `Command { std: "docker" "start" "-a" "ab2a2f2139706ced4675a8e21479ad21b4b2caf37ac2b920391277dc9111d6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab2a2f2139706ced4675a8e21479ad21b4b2caf37ac2b920391277dc9111d6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab2a2f2139706ced4675a8e21479ad21b4b2caf37ac2b920391277dc9111d6c5", kill_on_drop: false }` [INFO] [stdout] ab2a2f2139706ced4675a8e21479ad21b4b2caf37ac2b920391277dc9111d6c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 048da7fecfdabf93d3b95de64203dc9a9a576da62d4f02366d73cf8ccf3b83ff [INFO] running `Command { std: "docker" "start" "-a" "048da7fecfdabf93d3b95de64203dc9a9a576da62d4f02366d73cf8ccf3b83ff", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling bitreader v0.3.2 [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 inventory-impl v0.1.4 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.3 [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 pyo3cls v0.8.1 [INFO] [stderr] Compiling paste v0.1.6 [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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-8aee94736af7956b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.1/build.rs:537:9: [INFO] [stderr] Error: pyo3 requires a nightly or dev version of Rust. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5f3954a2fad2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5f3954a2fad2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5f3954a2fad2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5f3954a2fad2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5f3954a53873 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5f3954a53873 - core::fmt::write::h8a494366950f23bb [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5f3954a2d043 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5f3954a2d043 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5f3954a2f922 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5f3954a309c3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x5f3954a307a5 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x5f3954a31395 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x5f3954a3126c - std::panicking::begin_panic::{{closure}}::h9f4a5adc680e21fa [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:770:9 [INFO] [stderr] 13: 0x5f3954a2ffc9 - std::sys::backtrace::__rust_end_short_backtrace::hb5f90b203e68dc50 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5f3954a31182 - std::panicking::begin_panic::h5128ce11a6f84a23 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:769:5 [INFO] [stderr] 15: 0x5f39548c5ba4 - build_script_build::check_rustc_version::hf01de9fdb7f2a304 [INFO] [stderr] 16: 0x5f39548c5da4 - build_script_build::main::ha1d12f42cdd7bf90 [INFO] [stderr] 17: 0x5f39548b7a7e - core::ops::function::FnOnce::call_once::h5c274f859e23946c [INFO] [stderr] 18: 0x5f39548cb27d - std::sys::backtrace::__rust_begin_short_backtrace::h49c96e724df8906b [INFO] [stderr] 19: 0x5f39548cdc2f - std::rt::lang_start::{{closure}}::hcd613a099f243ce0 [INFO] [stderr] 20: 0x5f3954a29540 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 21: 0x5f3954a29540 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stderr] 22: 0x5f3954a29540 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stderr] 23: 0x5f3954a29540 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5f3954a29540 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5f3954a29540 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stderr] 26: 0x5f3954a29540 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stderr] 27: 0x5f3954a29540 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5f3954a29540 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5f39548cdc11 - std::rt::lang_start::h198b354255f0d32c [INFO] [stderr] 30: 0x5f39548ca1b5 - main [INFO] [stderr] 31: 0x7e17448361ca - [INFO] [stderr] 32: 0x7e174483628b - __libc_start_main [INFO] [stderr] 33: 0x5f39548b4525 - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "048da7fecfdabf93d3b95de64203dc9a9a576da62d4f02366d73cf8ccf3b83ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048da7fecfdabf93d3b95de64203dc9a9a576da62d4f02366d73cf8ccf3b83ff", kill_on_drop: false }` [INFO] [stdout] 048da7fecfdabf93d3b95de64203dc9a9a576da62d4f02366d73cf8ccf3b83ff