[INFO] cloning repository https://github.com/patrickodacre/substrate-seminar-8-traits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickodacre/substrate-seminar-8-traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickodacre%2Fsubstrate-seminar-8-traits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickodacre%2Fsubstrate-seminar-8-traits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3551cc92f2d1f0689c8fae6b19f6f671df99ce94 [INFO] testing patrickodacre/substrate-seminar-8-traits against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickodacre%2Fsubstrate-seminar-8-traits" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/patrickodacre/substrate-seminar-8-traits 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/patrickodacre/substrate-seminar-8-traits [INFO] finished tweaking git repo https://github.com/patrickodacre/substrate-seminar-8-traits [INFO] tweaked toml for git repo https://github.com/patrickodacre/substrate-seminar-8-traits written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/patrickodacre/substrate-seminar-8-traits 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e246311ea979eded08b19f069dcd8af6b524c11b43b7db11a53a6b1a813f7b0e [INFO] running `Command { std: "docker" "start" "-a" "e246311ea979eded08b19f069dcd8af6b524c11b43b7db11a53a6b1a813f7b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e246311ea979eded08b19f069dcd8af6b524c11b43b7db11a53a6b1a813f7b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e246311ea979eded08b19f069dcd8af6b524c11b43b7db11a53a6b1a813f7b0e", kill_on_drop: false }` [INFO] [stdout] e246311ea979eded08b19f069dcd8af6b524c11b43b7db11a53a6b1a813f7b0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b6bfa41d9c89594313c02b63e366546d99f891ca0eb5aa5f12c2b37a01fa064f [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" "b6bfa41d9c89594313c02b63e366546d99f891ca0eb5aa5f12c2b37a01fa064f", 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 num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling trait-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `BalancesModule` [INFO] [stdout] --> src/balances.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct BalancesModule [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: `new` [INFO] [stdout] --> src/balances.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new() -> Self [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `balance` [INFO] [stdout] --> src/balances.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn balance(&self, who: C::AccountId) -> C::Balance [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_balance` [INFO] [stdout] --> src/balances.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn set_balance(&mut self, who: C::AccountId, amount: C::Balance) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `transfer` [INFO] [stdout] --> src/balances.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn transfer( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.13s [INFO] running `Command { std: "docker" "inspect" "b6bfa41d9c89594313c02b63e366546d99f891ca0eb5aa5f12c2b37a01fa064f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6bfa41d9c89594313c02b63e366546d99f891ca0eb5aa5f12c2b37a01fa064f", kill_on_drop: false }` [INFO] [stdout] b6bfa41d9c89594313c02b63e366546d99f891ca0eb5aa5f12c2b37a01fa064f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] d72e7f595c724b3027cb1aa909dc43b360669502778992c1471b8ec8ce349ef4 [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" "d72e7f595c724b3027cb1aa909dc43b360669502778992c1471b8ec8ce349ef4", kill_on_drop: false }` [INFO] [stderr] Compiling trait-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "d72e7f595c724b3027cb1aa909dc43b360669502778992c1471b8ec8ce349ef4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d72e7f595c724b3027cb1aa909dc43b360669502778992c1471b8ec8ce349ef4", kill_on_drop: false }` [INFO] [stdout] d72e7f595c724b3027cb1aa909dc43b360669502778992c1471b8ec8ce349ef4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 68dc11aa5336f9b063237443aa8961283cf54d5710daf2e367ee4e652d168dff [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" "68dc11aa5336f9b063237443aa8961283cf54d5710daf2e367ee4e652d168dff", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 4 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/trait_example-09cbf70ce54a176a) [INFO] [stdout] test test::test_set_balance ... ok [INFO] [stdout] test test::test_transfer_fails_when_from_user_not_exists_1 ... ok [INFO] [stdout] test test::test_transfer ... ok [INFO] [stdout] test test::test_transfer_fails_when_from_user_not_exists_2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "68dc11aa5336f9b063237443aa8961283cf54d5710daf2e367ee4e652d168dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68dc11aa5336f9b063237443aa8961283cf54d5710daf2e367ee4e652d168dff", kill_on_drop: false }` [INFO] [stdout] 68dc11aa5336f9b063237443aa8961283cf54d5710daf2e367ee4e652d168dff