[INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5b8f6388d9543ab7636ee341987318dd4bf3940 [INFO] checking olegkich/simple-rust-blockchain against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/olegkich/simple-rust-blockchain on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/olegkich/simple-rust-blockchain [INFO] finished tweaking git repo https://github.com/olegkich/simple-rust-blockchain [INFO] tweaked toml for git repo https://github.com/olegkich/simple-rust-blockchain written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/olegkich/simple-rust-blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f3a7cd1c404da6342729acc684f6791599eaa0997e711d046ff0eeadd45673b [INFO] running `Command { std: "docker" "start" "-a" "9f3a7cd1c404da6342729acc684f6791599eaa0997e711d046ff0eeadd45673b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f3a7cd1c404da6342729acc684f6791599eaa0997e711d046ff0eeadd45673b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f3a7cd1c404da6342729acc684f6791599eaa0997e711d046ff0eeadd45673b", kill_on_drop: false }` [INFO] [stdout] 9f3a7cd1c404da6342729acc684f6791599eaa0997e711d046ff0eeadd45673b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90bb06730f52d62ac2afc9500c3cc2651677161e0734dcd9e477fed71bc4283d [INFO] running `Command { std: "docker" "start" "-a" "90bb06730f52d62ac2afc9500c3cc2651677161e0734dcd9e477fed71bc4283d", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Checking iana-time-zone v0.1.53 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Checking tiny-gradient v0.1.0 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking chrono v0.4.23 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.3 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking sha2 v0.10.6 [INFO] [stderr] Checking blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ops::Index` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{io, ops::Index}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Index` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{io, ops::Index}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `previous_hash`, `data`, and `nonce` are never read [INFO] [stdout] --> src/blockchain.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | previous_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 10 | data: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | nonce: usize [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `difficulty` is never read [INFO] [stdout] --> src/blockchain.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Chain { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 22 | blocks: Vec, [INFO] [stdout] 23 | difficulty: usize [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `previous_hash`, `data`, and `nonce` are never read [INFO] [stdout] --> src/blockchain.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | previous_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 10 | data: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | nonce: usize [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `difficulty` is never read [INFO] [stdout] --> src/blockchain.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Chain { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 22 | blocks: Vec, [INFO] [stdout] 23 | difficulty: usize [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s [INFO] running `Command { std: "docker" "inspect" "90bb06730f52d62ac2afc9500c3cc2651677161e0734dcd9e477fed71bc4283d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90bb06730f52d62ac2afc9500c3cc2651677161e0734dcd9e477fed71bc4283d", kill_on_drop: false }` [INFO] [stdout] 90bb06730f52d62ac2afc9500c3cc2651677161e0734dcd9e477fed71bc4283d