[INFO] fetching crate blockchain-scratch-rust 0.3.0...
[INFO] checking blockchain-scratch-rust-0.3.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate blockchain-scratch-rust 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate blockchain-scratch-rust 0.3.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate blockchain-scratch-rust 0.3.0
[INFO] finished tweaking crates.io crate blockchain-scratch-rust 0.3.0
[INFO] tweaked toml for crates.io crate blockchain-scratch-rust 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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 library_utils v0.0.2
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
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[INFO] [stderr]   Downloaded directories-next v2.0.0
[INFO] [stderr]   Downloaded rust-releases v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 600a93be8caeb9e0ce4facf17c5019e8c1228ed13528496af17db103000689dc
[INFO] running `Command { std: "docker" "start" "-a" "600a93be8caeb9e0ce4facf17c5019e8c1228ed13528496af17db103000689dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600a93be8caeb9e0ce4facf17c5019e8c1228ed13528496af17db103000689dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600a93be8caeb9e0ce4facf17c5019e8c1228ed13528496af17db103000689dc", kill_on_drop: false }`
[INFO] [stdout] 600a93be8caeb9e0ce4facf17c5019e8c1228ed13528496af17db103000689dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 400a25f10621e40ee916532d809d1f2e57e330157bd771a6a4dc88b0732fbca9
[INFO] running `Command { std: "docker" "start" "-a" "400a25f10621e40ee916532d809d1f2e57e330157bd771a6a4dc88b0732fbca9", kill_on_drop: false }`
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[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking crypto-hash v0.3.4
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[INFO] [stderr]     Checking rust-releases-io v0.22.1
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[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking blockchain-scratch-rust v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/block.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 7  | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fmt::{self, Debug, Formatter},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Formatter` is imported redundantly
[INFO] [stdout]   --> src/block.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 7  | use super::*;
[INFO] [stdout]    |     -------- the item `Formatter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fmt::{self, Debug, Formatter},
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/block.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 7  | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fmt::{self, Debug, Formatter},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Formatter` is imported redundantly
[INFO] [stdout]   --> src/block.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 7  | use super::*;
[INFO] [stdout]    |     -------- the item `Formatter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fmt::{self, Debug, Formatter},
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::any`
[INFO] [stdout]  --> src/blockchain_executive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::any;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::any`
[INFO] [stdout]  --> src/blockchain_executive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::any;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]  --> src/blockchain_executive.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use  library_utils::{*, stringtou128::string_to_u128};
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]  --> src/blockchain_executive.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use  library_utils::{*, stringtou128::string_to_u128};
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(elided_lifetimes_in_paths) is ignored unless specified at crate level
[INFO] [stdout]   --> src/blockchain_executive.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[deny(elided_lifetimes_in_paths)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(elided_lifetimes_in_paths) is ignored unless specified at crate level
[INFO] [stdout]   --> src/blockchain_executive.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[deny(elided_lifetimes_in_paths)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/blockchain_executive.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/blockchain_executive.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::MetadataExt`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::os::unix::prelude::MetadataExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_name` is never read
[INFO] [stdout]   --> src/blockchain_executive.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut file_name = String::default();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::MetadataExt`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::os::unix::prelude::MetadataExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_name` is never read
[INFO] [stdout]   --> src/blockchain_executive.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut file_name = String::default();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "400a25f10621e40ee916532d809d1f2e57e330157bd771a6a4dc88b0732fbca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400a25f10621e40ee916532d809d1f2e57e330157bd771a6a4dc88b0732fbca9", kill_on_drop: false }`
[INFO] [stdout] 400a25f10621e40ee916532d809d1f2e57e330157bd771a6a4dc88b0732fbca9
