[INFO] cloning repository https://github.com/crmckenzie/grocery-pricing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crmckenzie/grocery-pricing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Fgrocery-pricing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Fgrocery-pricing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d918d1d17c37ba7b0713bf6033aac7394aeaa013
[INFO] testing crmckenzie/grocery-pricing-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrmckenzie%2Fgrocery-pricing-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crmckenzie/grocery-pricing-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crmckenzie/grocery-pricing-rust
[INFO] finished tweaking git repo https://github.com/crmckenzie/grocery-pricing-rust
[INFO] tweaked toml for git repo https://github.com/crmckenzie/grocery-pricing-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/crmckenzie/grocery-pricing-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] 1ef170e2f5d4a2a63fd9b2f0fb5903ea1cdd89f4885ab74cf1c67b446c4b8f8d
[INFO] running `Command { std: "docker" "start" "-a" "1ef170e2f5d4a2a63fd9b2f0fb5903ea1cdd89f4885ab74cf1c67b446c4b8f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef170e2f5d4a2a63fd9b2f0fb5903ea1cdd89f4885ab74cf1c67b446c4b8f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef170e2f5d4a2a63fd9b2f0fb5903ea1cdd89f4885ab74cf1c67b446c4b8f8d", kill_on_drop: false }`
[INFO] [stdout] 1ef170e2f5d4a2a63fd9b2f0fb5903ea1cdd89f4885ab74cf1c67b446c4b8f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] 9a5d4ddac96fd883c1573f9c4c9e1c7a9b1f0186aae0135180ec647877bea901
[INFO] running `Command { std: "docker" "start" "-a" "9a5d4ddac96fd883c1573f9c4c9e1c7a9b1f0186aae0135180ec647877bea901", kill_on_drop: false }`
[INFO] [stderr]    Compiling grocery-pricing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `field`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ZeroNotAllowed { field: String}
[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/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(sale_quantity: u32, free_quantity: u32) -> Result<Sale, ZeroNotAllowed> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "9a5d4ddac96fd883c1573f9c4c9e1c7a9b1f0186aae0135180ec647877bea901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5d4ddac96fd883c1573f9c4c9e1c7a9b1f0186aae0135180ec647877bea901", kill_on_drop: false }`
[INFO] [stdout] 9a5d4ddac96fd883c1573f9c4c9e1c7a9b1f0186aae0135180ec647877bea901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc760935d71a2319a77b3c4fecec68ffc3f767f101e4a30763ccf32fd7b385a6
[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" "bc760935d71a2319a77b3c4fecec68ffc3f767f101e4a30763ccf32fd7b385a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling grocery-pricing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `field`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ZeroNotAllowed { field: String}
[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/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(sale_quantity: u32, free_quantity: u32) -> Result<Sale, ZeroNotAllowed> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "bc760935d71a2319a77b3c4fecec68ffc3f767f101e4a30763ccf32fd7b385a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc760935d71a2319a77b3c4fecec68ffc3f767f101e4a30763ccf32fd7b385a6", kill_on_drop: false }`
[INFO] [stdout] bc760935d71a2319a77b3c4fecec68ffc3f767f101e4a30763ccf32fd7b385a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29f92bcd862e95e3edad1c52013c2c4cd6a73467572ddc6df7e20a62d1e83a2a
[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" "29f92bcd862e95e3edad1c52013c2c4cd6a73467572ddc6df7e20a62d1e83a2a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `field`
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct ZeroNotAllowed { field: String}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/main.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn new(sale_quantity: u32, free_quantity: u32) -> Result<Sale, ZeroNotAllowed> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grocery_pricing-4f1968ebe85dfaa2
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::buy_2_get_1_free_qty_3 ... ok
[INFO] [stdout] test tests::two_items ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_5 ... ok
[INFO] [stdout] test tests::two_of_one_item ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_6 ... ok
[INFO] [stdout] test tests::one_item ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_1 ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_4 ... ok
[INFO] [stdout] test tests::buy_2_get_1_free_qty_5 ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_3 ... ok
[INFO] [stdout] test tests::buy_3_get_2_free_qty_2 ... ok
[INFO] [stdout] test tests::buy_2_get_1_free_qty_6 ... ok
[INFO] [stdout] test tests::buy_2_get_1_free_qty_2 ... ok
[INFO] [stdout] test tests::buy_2_get_1_free_qty_4 ... ok
[INFO] [stdout] test tests::buy_2_get_1_free_qty_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29f92bcd862e95e3edad1c52013c2c4cd6a73467572ddc6df7e20a62d1e83a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f92bcd862e95e3edad1c52013c2c4cd6a73467572ddc6df7e20a62d1e83a2a", kill_on_drop: false }`
[INFO] [stdout] 29f92bcd862e95e3edad1c52013c2c4cd6a73467572ddc6df7e20a62d1e83a2a