[INFO] cloning repository https://github.com/enfipy/rustc-bug-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enfipy/rustc-bug-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Frustc-bug-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Frustc-bug-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5530c5c8004336a0c53495f2530fb0408373e4c0
[INFO] documenting enfipy/rustc-bug-1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Frustc-bug-1" "/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/enfipy/rustc-bug-1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enfipy/rustc-bug-1
[INFO] finished tweaking git repo https://github.com/enfipy/rustc-bug-1
[INFO] tweaked toml for git repo https://github.com/enfipy/rustc-bug-1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/enfipy/rustc-bug-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e36c09471f6393c0af6fbed3f30b67588a25516c520f0ab6b6b54a7fd91a0f37
[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" "e36c09471f6393c0af6fbed3f30b67588a25516c520f0ab6b6b54a7fd91a0f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36c09471f6393c0af6fbed3f30b67588a25516c520f0ab6b6b54a7fd91a0f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36c09471f6393c0af6fbed3f30b67588a25516c520f0ab6b6b54a7fd91a0f37", kill_on_drop: false }`
[INFO] [stdout] e36c09471f6393c0af6fbed3f30b67588a25516c520f0ab6b6b54a7fd91a0f37
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80f1550a45dc28343e514584e8422a225a5f3e6dd4a614bafbf7326662c2723a
[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" "80f1550a45dc28343e514584e8422a225a5f3e6dd4a614bafbf7326662c2723a", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
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[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]    Compiling typenum v1.11.2
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking substrate-panic-handler v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking elastic-array v0.10.3
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[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.2
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[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking fixed-hash v0.5.1
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[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling substrate-debug-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]     Checking parity-util-mem v0.2.1
[INFO] [stderr]     Checking merlin v1.3.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking schnorrkel v0.8.5
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]     Checking tiny-bip39 v0.6.2
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking substrate-bip39 v0.3.1
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking memory-db v0.15.3
[INFO] [stderr]     Checking trie-db v0.15.2
[INFO] [stderr]     Checking substrate-wasm-interface v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking substrate-primitives-storage v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.1.0
[INFO] [stderr]    Compiling substrate-runtime-interface-proc-macro v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking parity-scale-codec v1.1.0
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sr-arithmetic v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking primitive-types v0.6.1
[INFO] [stderr]     Checking substrate-externalities v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-runtime-interface v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-primitives v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-trie v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-inherents v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-state-machine v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking sr-io v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking substrate-application-crypto v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]     Checking sr-primitives v2.0.0 (https://github.com/paritytech/substrate.git?rev=47b158b7a04bf0f5cd542a468076a7fda29648a4#47b158b7)
[INFO] [stderr]  Documenting compiler-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "80f1550a45dc28343e514584e8422a225a5f3e6dd4a614bafbf7326662c2723a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f1550a45dc28343e514584e8422a225a5f3e6dd4a614bafbf7326662c2723a", kill_on_drop: false }`
[INFO] [stdout] 80f1550a45dc28343e514584e8422a225a5f3e6dd4a614bafbf7326662c2723a
