[INFO] cloning repository https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackLin00/LearnSubstrateLesson3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bef756e7af041aa6d29fe904fd2281c3765e4b7
[INFO] testing JackLin00/LearnSubstrateLesson3 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JackLin00/LearnSubstrateLesson3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] finished tweaking git repo https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] tweaked toml for git repo https://github.com/JackLin00/LearnSubstrateLesson3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/JackLin00/LearnSubstrateLesson3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 34c5a69ca33fc4052f54e9058acea3717caabb1c1ac74d9cf956f4bc0c548092
[INFO] running `Command { std: "docker" "start" "-a" "34c5a69ca33fc4052f54e9058acea3717caabb1c1ac74d9cf956f4bc0c548092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c5a69ca33fc4052f54e9058acea3717caabb1c1ac74d9cf956f4bc0c548092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c5a69ca33fc4052f54e9058acea3717caabb1c1ac74d9cf956f4bc0c548092", kill_on_drop: false }`
[INFO] [stdout] 34c5a69ca33fc4052f54e9058acea3717caabb1c1ac74d9cf956f4bc0c548092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b68d1abddfdf1da0de165ebc9ea124243ca5e7532a0ceb0b4a2b82978b82880
[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" "3b68d1abddfdf1da0de165ebc9ea124243ca5e7532a0ceb0b4a2b82978b82880", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lesson3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Lesson3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lesson3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "3b68d1abddfdf1da0de165ebc9ea124243ca5e7532a0ceb0b4a2b82978b82880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b68d1abddfdf1da0de165ebc9ea124243ca5e7532a0ceb0b4a2b82978b82880", kill_on_drop: false }`
[INFO] [stdout] 3b68d1abddfdf1da0de165ebc9ea124243ca5e7532a0ceb0b4a2b82978b82880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 73faf70bb4a0b1a3ce0bba0833bfcb7b817352c9318de6143d9ebd7d3c91fffa
[INFO] running `Command { std: "docker" "start" "-a" "73faf70bb4a0b1a3ce0bba0833bfcb7b817352c9318de6143d9ebd7d3c91fffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lesson3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Lesson3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lesson3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "73faf70bb4a0b1a3ce0bba0833bfcb7b817352c9318de6143d9ebd7d3c91fffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73faf70bb4a0b1a3ce0bba0833bfcb7b817352c9318de6143d9ebd7d3c91fffa", kill_on_drop: false }`
[INFO] [stdout] 73faf70bb4a0b1a3ce0bba0833bfcb7b817352c9318de6143d9ebd7d3c91fffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9bdfcf8272cd3b317e932bb20c6b8e5fb7201461ed74fec08410098d8f10dfd
[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" "f9bdfcf8272cd3b317e932bb20c6b8e5fb7201461ed74fec08410098d8f10dfd", kill_on_drop: false }`
[INFO] [stderr] warning: crate `Lesson3` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lesson3`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Lesson3-c6db4ec7f2c535ff
[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" "f9bdfcf8272cd3b317e932bb20c6b8e5fb7201461ed74fec08410098d8f10dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bdfcf8272cd3b317e932bb20c6b8e5fb7201461ed74fec08410098d8f10dfd", kill_on_drop: false }`
[INFO] [stdout] f9bdfcf8272cd3b317e932bb20c6b8e5fb7201461ed74fec08410098d8f10dfd