[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 master#9ba3d315b4b2bea7485071eaf4b2681320cd2a27 for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olegkich/simple-rust-blockchain on toolchain 9ba3d315b4b2bea7485071eaf4b2681320cd2a27
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "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-tc1/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" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-gradient v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda86db4058517f20dba14cba1fcd8a7e84b9c90ad5fd80ccc1de0700cba7c2b
[INFO] running `Command { std: "docker" "start" "-a" "bda86db4058517f20dba14cba1fcd8a7e84b9c90ad5fd80ccc1de0700cba7c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda86db4058517f20dba14cba1fcd8a7e84b9c90ad5fd80ccc1de0700cba7c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda86db4058517f20dba14cba1fcd8a7e84b9c90ad5fd80ccc1de0700cba7c2b", kill_on_drop: false }`
[INFO] [stdout] bda86db4058517f20dba14cba1fcd8a7e84b9c90ad5fd80ccc1de0700cba7c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627634697b2d66aba6f4ca144f75b5e404e2595df883724229aa5cfcf0c9cba8
[INFO] running `Command { std: "docker" "start" "-a" "627634697b2d66aba6f4ca144f75b5e404e2595df883724229aa5cfcf0c9cba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[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 block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[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: 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<Block>,
[INFO] [stdout] 23 |   difficulty: usize
[INFO] [stdout]    |   ^^^^^^^^^^
[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<Block>,
[INFO] [stdout] 23 |   difficulty: usize
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "627634697b2d66aba6f4ca144f75b5e404e2595df883724229aa5cfcf0c9cba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627634697b2d66aba6f4ca144f75b5e404e2595df883724229aa5cfcf0c9cba8", kill_on_drop: false }`
[INFO] [stdout] 627634697b2d66aba6f4ca144f75b5e404e2595df883724229aa5cfcf0c9cba8
[INFO] checking olegkich/simple-rust-blockchain against try#2466b92ed5feb282a98bb984f45d1e6d39f8c1aa for pr-124592
[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 2466b92ed5feb282a98bb984f45d1e6d39f8c1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770f85976e45218b84c01448f740b50a618ae318450a412c10118c43f1648791
[INFO] running `Command { std: "docker" "start" "-a" "770f85976e45218b84c01448f740b50a618ae318450a412c10118c43f1648791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770f85976e45218b84c01448f740b50a618ae318450a412c10118c43f1648791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770f85976e45218b84c01448f740b50a618ae318450a412c10118c43f1648791", kill_on_drop: false }`
[INFO] [stdout] 770f85976e45218b84c01448f740b50a618ae318450a412c10118c43f1648791
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07e77d4153bcf4fc1eb6baf8da87025ab418d9ccbb888b262823ced77bc9cc52
[INFO] running `Command { std: "docker" "start" "-a" "07e77d4153bcf4fc1eb6baf8da87025ab418d9ccbb888b262823ced77bc9cc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking tiny-gradient v0.1.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaFYbOAb/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaFEtGJn/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-traits` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `typenum` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "07e77d4153bcf4fc1eb6baf8da87025ab418d9ccbb888b262823ced77bc9cc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e77d4153bcf4fc1eb6baf8da87025ab418d9ccbb888b262823ced77bc9cc52", kill_on_drop: false }`
[INFO] [stdout] 07e77d4153bcf4fc1eb6baf8da87025ab418d9ccbb888b262823ced77bc9cc52