[INFO] cloning repository https://github.com/prajwalprabhu/data_structure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajwalprabhu/data_structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fdata_structure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fdata_structure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a0ce7c21dba404011c2b1f62eba88bb7f4da7a2
[INFO] testing prajwalprabhu/data_structure against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fdata_structure" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prajwalprabhu/data_structure on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prajwalprabhu/data_structure
[INFO] finished tweaking git repo https://github.com/prajwalprabhu/data_structure
[INFO] tweaked toml for git repo https://github.com/prajwalprabhu/data_structure written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/prajwalprabhu/data_structure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51404b37e267c6fa48f14d6efb5342fc85b720c8df9181a6f6f56b589de24b7
[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" "f51404b37e267c6fa48f14d6efb5342fc85b720c8df9181a6f6f56b589de24b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51404b37e267c6fa48f14d6efb5342fc85b720c8df9181a6f6f56b589de24b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51404b37e267c6fa48f14d6efb5342fc85b720c8df9181a6f6f56b589de24b7", kill_on_drop: false }`
[INFO] [stdout] f51404b37e267c6fa48f14d6efb5342fc85b720c8df9181a6f6f56b589de24b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf8376b97ed6e2a06fbcc2c37416e43b74cd096c5b213b1d2732e048c8bc411
[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" "1bf8376b97ed6e2a06fbcc2c37416e43b74cd096c5b213b1d2732e048c8bc411", kill_on_drop: false }`
[INFO] [stderr]    Compiling datastructure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `toBinary` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod toBinary;
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case: `to_binary`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1bf8376b97ed6e2a06fbcc2c37416e43b74cd096c5b213b1d2732e048c8bc411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf8376b97ed6e2a06fbcc2c37416e43b74cd096c5b213b1d2732e048c8bc411", kill_on_drop: false }`
[INFO] [stdout] 1bf8376b97ed6e2a06fbcc2c37416e43b74cd096c5b213b1d2732e048c8bc411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1704ff1a7878aa613df0e2c9f24168bfd79c410a925fc9af6eae8607ba4fcbf2
[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" "1704ff1a7878aa613df0e2c9f24168bfd79c410a925fc9af6eae8607ba4fcbf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling datastructure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `toBinary` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod toBinary;
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case: `to_binary`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "1704ff1a7878aa613df0e2c9f24168bfd79c410a925fc9af6eae8607ba4fcbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1704ff1a7878aa613df0e2c9f24168bfd79c410a925fc9af6eae8607ba4fcbf2", kill_on_drop: false }`
[INFO] [stdout] 1704ff1a7878aa613df0e2c9f24168bfd79c410a925fc9af6eae8607ba4fcbf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] ac33d4efd6fbef8f57f59546c9067c0503a782857fbc2e8ce1c6db6495905de0
[INFO] running `Command { std: "docker" "start" "-a" "ac33d4efd6fbef8f57f59546c9067c0503a782857fbc2e8ce1c6db6495905de0", kill_on_drop: false }`
[INFO] [stderr] warning: module `toBinary` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod toBinary;
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case: `to_binary`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datastructure-e669c2ab838ffa96)
[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" "ac33d4efd6fbef8f57f59546c9067c0503a782857fbc2e8ce1c6db6495905de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac33d4efd6fbef8f57f59546c9067c0503a782857fbc2e8ce1c6db6495905de0", kill_on_drop: false }`
[INFO] [stdout] ac33d4efd6fbef8f57f59546c9067c0503a782857fbc2e8ce1c6db6495905de0