[INFO] cloning repository https://github.com/thehappycheese/rust_merge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thehappycheese/rust_merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehappycheese%2Frust_merge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehappycheese%2Frust_merge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2665cd75c19c08cdf58b31cecfcc3be5a825aa5
[INFO] testing thehappycheese/rust_merge against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehappycheese%2Frust_merge" "/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/thehappycheese/rust_merge on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thehappycheese/rust_merge
[INFO] finished tweaking git repo https://github.com/thehappycheese/rust_merge
[INFO] tweaked toml for git repo https://github.com/thehappycheese/rust_merge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/thehappycheese/rust_merge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.26
[INFO] [stderr]   Downloaded arrow v4.4.0
[INFO] [stderr]   Downloaded polars v0.14.8
[INFO] [stderr]   Downloaded polars-io v0.14.8
[INFO] [stderr]   Downloaded polars-arrow v0.14.8
[INFO] [stderr]   Downloaded polars-core v0.14.8
[INFO] [stderr]   Downloaded polars-lazy v0.14.8
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.22
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2048b614c18f18599676f09d47a88da7eecc22a3da31e9ed0a6478114217512
[INFO] running `Command { std: "docker" "start" "-a" "f2048b614c18f18599676f09d47a88da7eecc22a3da31e9ed0a6478114217512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2048b614c18f18599676f09d47a88da7eecc22a3da31e9ed0a6478114217512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2048b614c18f18599676f09d47a88da7eecc22a3da31e9ed0a6478114217512", kill_on_drop: false }`
[INFO] [stdout] f2048b614c18f18599676f09d47a88da7eecc22a3da31e9ed0a6478114217512
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e56c9eef597f366cab19af293d036919ce2e318b66d2f5fb8b1a4c36f9affe83
[INFO] running `Command { std: "docker" "start" "-a" "e56c9eef597f366cab19af293d036919ce2e318b66d2f5fb8b1a4c36f9affe83", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling simdutf8 v0.1.3
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling mimalloc v0.1.26
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling flatbuffers v0.8.4
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling arrow v4.4.0
[INFO] [stderr]    Compiling polars-arrow v0.14.8
[INFO] [stderr]    Compiling polars-core v0.14.8
[INFO] [stderr] error: could not compile `arrow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arrow --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrow-4.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=06d91bf6cb5d042e -C extra-filename=-06d91bf6cb5d042e --out-dir /opt/rustwide/target/i686-unknown-linux-musl/debug/deps --target i686-unknown-linux-musl -L dependency=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libchrono-1f05e070349a2c4e.rmeta --extern csv=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libcsv-fe90302ade5548ab.rmeta --extern flatbuffers=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libflatbuffers-4d324909771a4483.rmeta --extern hex=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libhex-5f5ce5e2a29b3bf0.rmeta --extern indexmap=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libindexmap-ec90fb84f1c7613a.rmeta --extern lazy_static=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/liblazy_static-b672f38c15659a96.rmeta --extern lexical_core=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/liblexical_core-c454e089378576fe.rmeta --extern multiversion=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libmultiversion-7062b88af691288c.rmeta --extern num=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libnum-75dd6cdae279b118.rmeta --extern rand=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/librand-bda3edd6b2226e95.rmeta --extern regex=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libregex-0d3676c753ec73c7.rmeta --extern serde=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libserde-5fd285f16d18ce5a.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-61ae721d9c1d107b.so --extern serde_json=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libserde_json-3f2e89a36ad4771a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] thread '<unnamed>' panicked at 'assertion failed: pos.get() <= self.position()', compiler/rustc_metadata/src/rmeta/encoder.rs:426:9
[INFO] [stderr] error: could not compile `polars-core`
[INFO] running `Command { std: "docker" "inspect" "e56c9eef597f366cab19af293d036919ce2e318b66d2f5fb8b1a4c36f9affe83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56c9eef597f366cab19af293d036919ce2e318b66d2f5fb8b1a4c36f9affe83", kill_on_drop: false }`
[INFO] [stdout] e56c9eef597f366cab19af293d036919ce2e318b66d2f5fb8b1a4c36f9affe83