[INFO] cloning repository https://github.com/tamanishi/blockchain_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamanishi/blockchain_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanishi%2Fblockchain_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanishi%2Fblockchain_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aee1f6a09050e274fc509873df28358f64317298 [INFO] checking tamanishi/blockchain_tutorial against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanishi%2Fblockchain_tutorial" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamanishi/blockchain_tutorial on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tamanishi/blockchain_tutorial [INFO] finished tweaking git repo https://github.com/tamanishi/blockchain_tutorial [INFO] tweaked toml for git repo https://github.com/tamanishi/blockchain_tutorial written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/tamanishi/blockchain_tutorial already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.30 [INFO] [stderr] Downloaded serde v1.0.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 491695966a592d5690ece7f78e0dbc8328cd3ce40149f9b21e4ee1d45d56ba05 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "491695966a592d5690ece7f78e0dbc8328cd3ce40149f9b21e4ee1d45d56ba05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "491695966a592d5690ece7f78e0dbc8328cd3ce40149f9b21e4ee1d45d56ba05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "491695966a592d5690ece7f78e0dbc8328cd3ce40149f9b21e4ee1d45d56ba05", kill_on_drop: false }` [INFO] [stdout] 491695966a592d5690ece7f78e0dbc8328cd3ce40149f9b21e4ee1d45d56ba05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4a5ac9b43b911378f369f671b9697c0dcf8023aeeb466806b8d153b148c5a04 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c4a5ac9b43b911378f369f671b9697c0dcf8023aeeb466806b8d153b148c5a04", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking serde v1.0.30 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Compiling serde_derive v1.0.30 [INFO] [stderr] Checking serde_json v1.0.11 [INFO] [stderr] Checking blockchain_tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.25s [INFO] running `Command { std: "docker" "inspect" "c4a5ac9b43b911378f369f671b9697c0dcf8023aeeb466806b8d153b148c5a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a5ac9b43b911378f369f671b9697c0dcf8023aeeb466806b8d153b148c5a04", kill_on_drop: false }` [INFO] [stdout] c4a5ac9b43b911378f369f671b9697c0dcf8023aeeb466806b8d153b148c5a04