[INFO] cloning repository https://github.com/strassl/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strassl/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrassl%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrassl%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 488351e7bb5d038c1c0f486f64300ae1970eea53 [INFO] testing strassl/blockchain against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrassl%2Fblockchain" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/strassl/blockchain on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/strassl/blockchain [INFO] finished tweaking git repo https://github.com/strassl/blockchain [INFO] tweaked toml for git repo https://github.com/strassl/blockchain written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/strassl/blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9410b27aa27f2206d37370e375a0177d121572e877649df188ee5d8c978f6a69 [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" "9410b27aa27f2206d37370e375a0177d121572e877649df188ee5d8c978f6a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9410b27aa27f2206d37370e375a0177d121572e877649df188ee5d8c978f6a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9410b27aa27f2206d37370e375a0177d121572e877649df188ee5d8c978f6a69", kill_on_drop: false }` [INFO] [stdout] 9410b27aa27f2206d37370e375a0177d121572e877649df188ee5d8c978f6a69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f548709386613eea3cdf843ef0ab10c81956ba26663a865874ec4c866eecb0c [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" "6f548709386613eea3cdf843ef0ab10c81956ba26663a865874ec4c866eecb0c", kill_on_drop: false }` [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling gcc v0.3.49 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling dtoa v0.4.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling itoa v0.3.1 [INFO] [stderr] Compiling serde v1.0.8 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.1.0 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `serialize` [INFO] [stdout] --> src/chain/serialization.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize` [INFO] [stdout] --> src/chain/serialization.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `deserialize` [INFO] [stdout] --> src/main.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | use chain::serialization::{serialize, deserialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize` [INFO] [stdout] --> src/chain/serialization.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.63s [INFO] running `Command { std: "docker" "inspect" "6f548709386613eea3cdf843ef0ab10c81956ba26663a865874ec4c866eecb0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f548709386613eea3cdf843ef0ab10c81956ba26663a865874ec4c866eecb0c", kill_on_drop: false }` [INFO] [stdout] 6f548709386613eea3cdf843ef0ab10c81956ba26663a865874ec4c866eecb0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] 733c016dea13ca49de835f6cab5a2fe800711d0c63e867c0768d404d1e73b6a0 [INFO] running `Command { std: "docker" "start" "-a" "733c016dea13ca49de835f6cab5a2fe800711d0c63e867c0768d404d1e73b6a0", kill_on_drop: false }` [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `serialize` [INFO] [stdout] --> src/chain/serialization.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize` [INFO] [stdout] --> src/chain/serialization.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `deserialize` [INFO] [stdout] --> src/main.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | use chain::serialization::{serialize, deserialize}; [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.66s [INFO] running `Command { std: "docker" "inspect" "733c016dea13ca49de835f6cab5a2fe800711d0c63e867c0768d404d1e73b6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "733c016dea13ca49de835f6cab5a2fe800711d0c63e867c0768d404d1e73b6a0", kill_on_drop: false }` [INFO] [stdout] 733c016dea13ca49de835f6cab5a2fe800711d0c63e867c0768d404d1e73b6a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 47ae87ef12b58a554f3f0bfac73f695b0edf17b78e5bf094820d43f7ea7716a8 [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" "47ae87ef12b58a554f3f0bfac73f695b0edf17b78e5bf094820d43f7ea7716a8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stdout] running 4 tests [INFO] [stderr] --> src/chain/serialization.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize` [INFO] [stderr] --> src/chain/serialization.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `deserialize` [INFO] [stderr] --> src/main.rs:10:39 [INFO] [stderr] | [INFO] [stderr] 10 | use chain::serialization::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-1101b65199048285) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-6bcbe77f9899235e) [INFO] [stdout] test chain::test::verify_works ... ok [INFO] [stdout] test chain::test::init_works ... ok [INFO] [stdout] test chain::serialization::test::serialize_deserialize_works ... ok [INFO] [stdout] test chain::test::push_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test chain::test::init_works ... ok [INFO] [stdout] test chain::serialization::test::serialize_deserialize_works ... ok [INFO] [stdout] test chain::test::push_works ... ok [INFO] [stdout] test chain::test::verify_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests blockchain [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "47ae87ef12b58a554f3f0bfac73f695b0edf17b78e5bf094820d43f7ea7716a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47ae87ef12b58a554f3f0bfac73f695b0edf17b78e5bf094820d43f7ea7716a8", kill_on_drop: false }` [INFO] [stdout] 47ae87ef12b58a554f3f0bfac73f695b0edf17b78e5bf094820d43f7ea7716a8