[INFO] cloning repository https://github.com/gemblockchain/gemgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gemblockchain/gemgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemblockchain%2Fgemgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemblockchain%2Fgemgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fafdaf2c05e4fcd3bd426f0d58e80d4001af1fa
[INFO] checking gemblockchain/gemgen against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemblockchain%2Fgemgen" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gemblockchain/gemgen on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gemblockchain/gemgen
[INFO] finished tweaking git repo https://github.com/gemblockchain/gemgen
[INFO] tweaked toml for git repo https://github.com/gemblockchain/gemgen written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gemblockchain/gemgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gemblockchain v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44690f7569c2a4ee218bb34209e5a191a2fb0fddd68ca82d62567bff3c09537
[INFO] running `Command { std: "docker" "start" "-a" "b44690f7569c2a4ee218bb34209e5a191a2fb0fddd68ca82d62567bff3c09537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44690f7569c2a4ee218bb34209e5a191a2fb0fddd68ca82d62567bff3c09537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44690f7569c2a4ee218bb34209e5a191a2fb0fddd68ca82d62567bff3c09537", kill_on_drop: false }`
[INFO] [stdout] b44690f7569c2a4ee218bb34209e5a191a2fb0fddd68ca82d62567bff3c09537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d390c83d866fdcf9e9b4ea839411c6a765066925405780f5625ba27671992a
[INFO] running `Command { std: "docker" "start" "-a" "50d390c83d866fdcf9e9b4ea839411c6a765066925405780f5625ba27671992a", 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] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-storage v2.0.1
[INFO] [stderr]     Checking sp-tracing v2.0.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.1
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking sp-externalities v0.8.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.1
[INFO] [stderr]     Checking sp-core v2.0.1
[INFO] [stderr]     Checking gemblockchain v0.2.0
[INFO] [stderr]     Checking gemgen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "50d390c83d866fdcf9e9b4ea839411c6a765066925405780f5625ba27671992a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d390c83d866fdcf9e9b4ea839411c6a765066925405780f5625ba27671992a", kill_on_drop: false }`
[INFO] [stdout] 50d390c83d866fdcf9e9b4ea839411c6a765066925405780f5625ba27671992a