[INFO] cloning repository https://github.com/luisbebop/calakmul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luisbebop/calakmul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisbebop%2Fcalakmul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisbebop%2Fcalakmul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46addf63636a7e6798543dbce854cff188c9913e
[INFO] checking luisbebop/calakmul against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisbebop%2Fcalakmul" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luisbebop/calakmul 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/luisbebop/calakmul
[INFO] finished tweaking git repo https://github.com/luisbebop/calakmul
[INFO] tweaked toml for git repo https://github.com/luisbebop/calakmul written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/luisbebop/calakmul already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7c71eecb2cbec443955ccd34dd003f1d5e12493ba8c27b64d8af2d2edea81045
[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" "7c71eecb2cbec443955ccd34dd003f1d5e12493ba8c27b64d8af2d2edea81045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c71eecb2cbec443955ccd34dd003f1d5e12493ba8c27b64d8af2d2edea81045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c71eecb2cbec443955ccd34dd003f1d5e12493ba8c27b64d8af2d2edea81045", kill_on_drop: false }`
[INFO] [stdout] 7c71eecb2cbec443955ccd34dd003f1d5e12493ba8c27b64d8af2d2edea81045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbf5f7dc96fa8f01ad0bd3158cb6fadc9bf01fc80f6e1b65ce7be76df95d9d94
[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" "bbf5f7dc96fa8f01ad0bd3158cb6fadc9bf01fc80f6e1b65ce7be76df95d9d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]     Checking artichoke-core v0.1.0 (https://github.com/artichoke/artichoke#1bd7af55)
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking sha2 v0.8.1
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[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]     Checking multistream-select v0.8.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking yamux v0.4.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking libp2p-pnet v0.18.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking parity-multiaddr v0.8.0
[INFO] [stderr]     Checking rustyline v6.1.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking js-sys v0.3.37
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling libp2p-identify v0.18.0
[INFO] [stderr]    Compiling libp2p-secio v0.18.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.18.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.18.0
[INFO] [stderr]    Compiling libp2p-noise v0.18.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.18.0
[INFO] [stderr]    Compiling libp2p-kad v0.18.0
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.10
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking libp2p-swarm v0.18.1
[INFO] [stderr]     Checking libp2p-mplex v0.18.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.18.0
[INFO] [stderr]     Checking libp2p-websocket v0.18.0
[INFO] [stderr]     Checking libp2p-yamux v0.18.0
[INFO] [stderr]     Checking libp2p-uds v0.18.0
[INFO] [stderr]     Checking libp2p-dns v0.18.0
[INFO] [stderr]     Checking libp2p-deflate v0.18.0
[INFO] [stderr]     Checking libp2p-tcp v0.18.0
[INFO] [stderr]     Checking libp2p-mdns v0.18.0
[INFO] [stderr]     Checking libp2p-ping v0.18.0
[INFO] [stderr]    Compiling onig_sys v69.2.0 (https://github.com/artichoke/rust-onig?rev=11bc679d45b6799df2866cb4c90e1d542c4ba4c0#11bc679d)
[INFO] [stderr]    Compiling artichoke-backend v0.1.0 (https://github.com/artichoke/artichoke#1bd7af55)
[INFO] [stderr]     Checking libp2p v0.18.1
[INFO] [stderr]     Checking onig v5.0.0 (https://github.com/artichoke/rust-onig?rev=11bc679d45b6799df2866cb4c90e1d542c4ba4c0#11bc679d)
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::error::Error` for type `&(dyn exception::RubyException + 'static)`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/artichoke-c12ffc01676ba375/1bd7af5/artichoke-backend/src/exception.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl error::Error for &dyn RubyException {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `std`:
[INFO] [stdout]             - impl<'a, T> std::error::Error for &'a T
[INFO] [stdout]               where T: std::error::Error, T: ?Sized;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `artichoke-backend` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bbf5f7dc96fa8f01ad0bd3158cb6fadc9bf01fc80f6e1b65ce7be76df95d9d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf5f7dc96fa8f01ad0bd3158cb6fadc9bf01fc80f6e1b65ce7be76df95d9d94", kill_on_drop: false }`
[INFO] [stdout] bbf5f7dc96fa8f01ad0bd3158cb6fadc9bf01fc80f6e1b65ce7be76df95d9d94
