[INFO] cloning repository https://github.com/maidsafe/safe_client_libs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maidsafe/safe_client_libs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaidsafe%2Fsafe_client_libs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaidsafe%2Fsafe_client_libs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3114c47bf94ca3be8c5645a42d8b69a999568f29
[INFO] checking maidsafe/safe_client_libs against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaidsafe%2Fsafe_client_libs" "/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/maidsafe/safe_client_libs on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maidsafe/safe_client_libs
[INFO] finished tweaking git repo https://github.com/maidsafe/safe_client_libs
[INFO] tweaked toml for git repo https://github.com/maidsafe/safe_client_libs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/maidsafe/safe_client_libs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2cd786de13738f99dae511cc2a8203dc81a460352d2316eb32478c0ef87e321
[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" "a2cd786de13738f99dae511cc2a8203dc81a460352d2316eb32478c0ef87e321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2cd786de13738f99dae511cc2a8203dc81a460352d2316eb32478c0ef87e321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cd786de13738f99dae511cc2a8203dc81a460352d2316eb32478c0ef87e321", kill_on_drop: false }`
[INFO] [stdout] a2cd786de13738f99dae511cc2a8203dc81a460352d2316eb32478c0ef87e321
[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" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b48f994acdac2b85bd596008008ca781a56889ce93cd9a02db4a61e61a80e7
[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" "e1b48f994acdac2b85bd596008008ca781a56889ce93cd9a02db4a61e61a80e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
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[INFO] [stderr]    Compiling cc v1.0.59
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[INFO] [stderr]    Compiling pin-project-internal v0.4.23
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[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling hashbrown v0.6.3
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
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[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling const-random-macro v0.1.8
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[INFO] [stderr]     Checking pmac v0.2.0
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[INFO] [stderr]     Checking directories v2.0.2
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[INFO] [stderr]     Checking miscreant v0.4.2
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling ff_derive v0.6.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking ff v0.6.0
[INFO] [stderr]     Checking group v0.6.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking pairing v0.16.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
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[INFO] [stderr]     Checking chrono v0.4.15
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[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]     Checking mio v0.6.22
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[INFO] [stderr]     Checking threshold_crypto v0.4.0
[INFO] [stderr]     Checking xor_name v1.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
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[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking crdts v4.2.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking rcgen v0.8.5
[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking sn_data_types v0.11.12 (https://github.com/maidsafe/sn_data_types.git?branch=master#43901867)
[INFO] [stderr]     Checking self_encryption v0.19.0 (https://github.com/maidsafe/self_encryption.git?branch=master#7f8f2181)
[INFO] [stderr]     Checking quinn v0.6.1
[INFO] [stderr]     Checking qp2p v0.8.3 (https://github.com/maidsafe/qp2p.git?branch=master#de4b450b)
[INFO] [stderr]     Checking sn_transfers v0.2.0 (https://github.com/maidsafe/sn_transfers.git?branch=master#bf5e770b)
[INFO] [stderr]     Checking sn_client v0.42.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 14s
[INFO] running `Command { std: "docker" "inspect" "e1b48f994acdac2b85bd596008008ca781a56889ce93cd9a02db4a61e61a80e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b48f994acdac2b85bd596008008ca781a56889ce93cd9a02db4a61e61a80e7", kill_on_drop: false }`
[INFO] [stdout] e1b48f994acdac2b85bd596008008ca781a56889ce93cd9a02db4a61e61a80e7