[INFO] updating cached repository https://github.com/PEshwar/toy_blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3f9d29fea64ac54da7ebb46da5a04e995585d22 [INFO] testing PEshwar/toy_blockchain against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PEshwar/toy_blockchain on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] finished tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] tweaked toml for git repo https://github.com/PEshwar/toy_blockchain written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/PEshwar/toy_blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58404fa437baf02dc9311a735f05be6359972b743235a4a05bb1fdf7c5988b40 [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" "58404fa437baf02dc9311a735f05be6359972b743235a4a05bb1fdf7c5988b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58404fa437baf02dc9311a735f05be6359972b743235a4a05bb1fdf7c5988b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58404fa437baf02dc9311a735f05be6359972b743235a4a05bb1fdf7c5988b40", kill_on_drop: false }` [INFO] [stdout] 58404fa437baf02dc9311a735f05be6359972b743235a4a05bb1fdf7c5988b40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 294bbda97e70b527ab9f83d52dbea5eb42112df7a31ad987796b42bd01d1f35d [INFO] running `Command { std: "docker" "start" "-a" "294bbda97e70b527ab9f83d52dbea5eb42112df7a31ad987796b42bd01d1f35d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.84s [INFO] running `Command { std: "docker" "inspect" "294bbda97e70b527ab9f83d52dbea5eb42112df7a31ad987796b42bd01d1f35d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "294bbda97e70b527ab9f83d52dbea5eb42112df7a31ad987796b42bd01d1f35d", kill_on_drop: false }` [INFO] [stdout] 294bbda97e70b527ab9f83d52dbea5eb42112df7a31ad987796b42bd01d1f35d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9931e1ccf25592267034d1b25406091eeba097d5cae099f635cb84d7ba66fd43 [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" "9931e1ccf25592267034d1b25406091eeba097d5cae099f635cb84d7ba66fd43", kill_on_drop: false }` [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "9931e1ccf25592267034d1b25406091eeba097d5cae099f635cb84d7ba66fd43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9931e1ccf25592267034d1b25406091eeba097d5cae099f635cb84d7ba66fd43", kill_on_drop: false }` [INFO] [stdout] 9931e1ccf25592267034d1b25406091eeba097d5cae099f635cb84d7ba66fd43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 04a6dc5643183b2c9edb5af6f532d83f90bd3285df42f1db3c98da121dcdd782 [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" "04a6dc5643183b2c9edb5af6f532d83f90bd3285df42f1db3c98da121dcdd782", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `genesis` [INFO] [stderr] --> src/main.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn genesis() -> Block { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_json` [INFO] [stderr] --> src/main.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn to_json(&self) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hash` [INFO] [stderr] --> src/main.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn hash(block: &Block) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_valid` [INFO] [stderr] --> src/main.rs:68:12 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mine_next_block` [INFO] [stderr] --> src/main.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Blockchain` [INFO] [stderr] --> src/main.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | struct Blockchain { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/peblock-51f0c202dcd9dd62 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "04a6dc5643183b2c9edb5af6f532d83f90bd3285df42f1db3c98da121dcdd782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04a6dc5643183b2c9edb5af6f532d83f90bd3285df42f1db3c98da121dcdd782", kill_on_drop: false }` [INFO] [stdout] 04a6dc5643183b2c9edb5af6f532d83f90bd3285df42f1db3c98da121dcdd782