[INFO] cloning repository https://github.com/prajwaldp/blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajwaldp/blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwaldp%2Fblockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwaldp%2Fblockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cde52a83d37eebb35a566d066f1c75fa7b11bf6
[INFO] checking prajwaldp/blockchain-rust against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwaldp%2Fblockchain-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prajwaldp/blockchain-rust on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prajwaldp/blockchain-rust
[INFO] finished tweaking git repo https://github.com/prajwaldp/blockchain-rust
[INFO] tweaked toml for git repo https://github.com/prajwaldp/blockchain-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/prajwaldp/blockchain-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.17
[INFO] [stderr]   Downloaded pin-project v0.4.17
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded actix v0.10.0-alpha.3
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded tungstenite v0.11.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.56
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 0d7edf31a4f1c28e48424a9cd4b837afcced6eeda52723abbf04ff7e117e8301
[INFO] running `Command { std: "docker" "start" "-a" "0d7edf31a4f1c28e48424a9cd4b837afcced6eeda52723abbf04ff7e117e8301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7edf31a4f1c28e48424a9cd4b837afcced6eeda52723abbf04ff7e117e8301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7edf31a4f1c28e48424a9cd4b837afcced6eeda52723abbf04ff7e117e8301", kill_on_drop: false }`
[INFO] [stdout] 0d7edf31a4f1c28e48424a9cd4b837afcced6eeda52723abbf04ff7e117e8301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2a9ac7c27a905c44f06e1b26186ceb3625c97b27ccbd51a4eb79d54db6d0fa52
[INFO] running `Command { std: "docker" "start" "-a" "2a9ac7c27a905c44f06e1b26186ceb3625c97b27ccbd51a4eb79d54db6d0fa52", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking tungstenite v0.11.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.2
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking actix v0.10.0-alpha.3
[INFO] [stderr]     Checking rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "2a9ac7c27a905c44f06e1b26186ceb3625c97b27ccbd51a4eb79d54db6d0fa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9ac7c27a905c44f06e1b26186ceb3625c97b27ccbd51a4eb79d54db6d0fa52", kill_on_drop: false }`
[INFO] [stdout] 2a9ac7c27a905c44f06e1b26186ceb3625c97b27ccbd51a4eb79d54db6d0fa52