[INFO] cloning repository https://github.com/rostislavjadavan/rust-todo-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rostislavjadavan/rust-todo-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c088fc1d0100727d7659281bafe3befee936e2
[INFO] testing rostislavjadavan/rust-todo-list against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rostislavjadavan/rust-todo-list 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/rostislavjadavan/rust-todo-list
[INFO] finished tweaking git repo https://github.com/rostislavjadavan/rust-todo-list
[INFO] tweaked toml for git repo https://github.com/rostislavjadavan/rust-todo-list written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rostislavjadavan/rust-todo-list 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2eeddbb0c3be956f660195911b5f4cf8fe79c44f7019748570cc0606a406fa9c
[INFO] running `Command { std: "docker" "start" "-a" "2eeddbb0c3be956f660195911b5f4cf8fe79c44f7019748570cc0606a406fa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eeddbb0c3be956f660195911b5f4cf8fe79c44f7019748570cc0606a406fa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eeddbb0c3be956f660195911b5f4cf8fe79c44f7019748570cc0606a406fa9c", kill_on_drop: false }`
[INFO] [stdout] 2eeddbb0c3be956f660195911b5f4cf8fe79c44f7019748570cc0606a406fa9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 7615ee88f82a6fae7b1d4f4190ed2736d478025a36d6c3301513c8b5fce22bca
[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" "7615ee88f82a6fae7b1d4f4190ed2736d478025a36d6c3301513c8b5fce22bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling rust-todo-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if index >= 0 && index < self.items.len() {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |         if index >= 0 && index < self.items.len() {
[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 36.13s
[INFO] running `Command { std: "docker" "inspect" "7615ee88f82a6fae7b1d4f4190ed2736d478025a36d6c3301513c8b5fce22bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7615ee88f82a6fae7b1d4f4190ed2736d478025a36d6c3301513c8b5fce22bca", kill_on_drop: false }`
[INFO] [stdout] 7615ee88f82a6fae7b1d4f4190ed2736d478025a36d6c3301513c8b5fce22bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3fa17f48050964cfe7a80346579c8f587f06b5a504763e309d2ea0dcb37e99b
[INFO] running `Command { std: "docker" "start" "-a" "b3fa17f48050964cfe7a80346579c8f587f06b5a504763e309d2ea0dcb37e99b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-todo-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if index >= 0 && index < self.items.len() {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |         if index >= 0 && index < self.items.len() {
[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 1.11s
[INFO] running `Command { std: "docker" "inspect" "b3fa17f48050964cfe7a80346579c8f587f06b5a504763e309d2ea0dcb37e99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fa17f48050964cfe7a80346579c8f587f06b5a504763e309d2ea0dcb37e99b", kill_on_drop: false }`
[INFO] [stdout] b3fa17f48050964cfe7a80346579c8f587f06b5a504763e309d2ea0dcb37e99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55dafd3fb8ef0c1d8d93e7be1cec1a5ffd370ae0e45b171ff5da4e13b5189c7d
[INFO] running `Command { std: "docker" "start" "-a" "55dafd3fb8ef0c1d8d93e7be1cec1a5ffd370ae0e45b171ff5da4e13b5189c7d", kill_on_drop: false }`
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/main.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if index >= 0 && index < self.items.len() {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/main.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if index >= 0 && index < self.items.len() {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_todo_list-a332b53f274c8d6c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55dafd3fb8ef0c1d8d93e7be1cec1a5ffd370ae0e45b171ff5da4e13b5189c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55dafd3fb8ef0c1d8d93e7be1cec1a5ffd370ae0e45b171ff5da4e13b5189c7d", kill_on_drop: false }`
[INFO] [stdout] 55dafd3fb8ef0c1d8d93e7be1cec1a5ffd370ae0e45b171ff5da4e13b5189c7d