[INFO] cloning repository https://github.com/provable-things/ptokens-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/provable-things/ptokens-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovable-things%2Fptokens-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovable-things%2Fptokens-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c35d461f9e9ebd1ca41ef8f0bf10414455edffa
[INFO] checking provable-things/ptokens-core against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovable-things%2Fptokens-core" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/provable-things/ptokens-core on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/provable-things/ptokens-core
[INFO] finished tweaking git repo https://github.com/provable-things/ptokens-core
[INFO] tweaked toml for git repo https://github.com/provable-things/ptokens-core written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/provable-things/ptokens-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/provable-things/rust-bitcoin.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29e78680b093f13c7f986076da76c8c45d6a2d1bc3167c90ac09a9c5f549ea65
[INFO] running `Command { std: "docker" "start" "-a" "29e78680b093f13c7f986076da76c8c45d6a2d1bc3167c90ac09a9c5f549ea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e78680b093f13c7f986076da76c8c45d6a2d1bc3167c90ac09a9c5f549ea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e78680b093f13c7f986076da76c8c45d6a2d1bc3167c90ac09a9c5f549ea65", kill_on_drop: false }`
[INFO] [stdout] 29e78680b093f13c7f986076da76c8c45d6a2d1bc3167c90ac09a9c5f549ea65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1707b7bb54ad06379366f7e33b33262c6f8f47cffe92697cea7842f52637a3a3
[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" "1707b7bb54ad06379366f7e33b33262c6f8f47cffe92697cea7842f52637a3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bech32 v0.7.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling secp256k1 v0.15.0
[INFO] [stderr]     Checking rlp v0.4.2
[INFO] [stderr]     Checking ryu v1.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking uint v0.8.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking fixed-hash v0.4.0
[INFO] [stderr]     Checking simplelog v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking impl-serde v0.2.1
[INFO] [stderr]     Checking parity-scale-codec v1.0.6
[INFO] [stderr]     Checking bitcoin_hashes v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking ethbloom v0.7.0
[INFO] [stderr]     Checking impl-codec v0.4.1
[INFO] [stderr]     Checking primitive-types v0.5.1
[INFO] [stderr]     Checking ethereum-types v0.7.0
[INFO] [stderr]     Checking bitcoin v0.21.0 (https://github.com/provable-things/rust-bitcoin.git?branch=provable-additions#cbc40408)
[INFO] [stderr]     Checking pbtc_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "1707b7bb54ad06379366f7e33b33262c6f8f47cffe92697cea7842f52637a3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1707b7bb54ad06379366f7e33b33262c6f8f47cffe92697cea7842f52637a3a3", kill_on_drop: false }`
[INFO] [stdout] 1707b7bb54ad06379366f7e33b33262c6f8f47cffe92697cea7842f52637a3a3