[INFO] cloning repository https://github.com/xdavidel/rust-negative-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdavidel/rust-negative-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdavidel%2Frust-negative-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdavidel%2Frust-negative-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eec20f4f003c0e5c62fc80ae5ad312bdbff21eda
[INFO] testing xdavidel/rust-negative-index against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdavidel%2Frust-negative-index" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xdavidel/rust-negative-index on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xdavidel/rust-negative-index
[INFO] finished tweaking git repo https://github.com/xdavidel/rust-negative-index
[INFO] tweaked toml for git repo https://github.com/xdavidel/rust-negative-index written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xdavidel/rust-negative-index already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cf561623bd599471ac9fc3d864b9427794dacfa35acdd1a626a8fe5fd65b92
[INFO] running `Command { std: "docker" "start" "-a" "92cf561623bd599471ac9fc3d864b9427794dacfa35acdd1a626a8fe5fd65b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cf561623bd599471ac9fc3d864b9427794dacfa35acdd1a626a8fe5fd65b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cf561623bd599471ac9fc3d864b9427794dacfa35acdd1a626a8fe5fd65b92", kill_on_drop: false }`
[INFO] [stdout] 92cf561623bd599471ac9fc3d864b9427794dacfa35acdd1a626a8fe5fd65b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc194880940b54d11284f471a1e90a7f74f0460f53dd1a688d7abb21eb16b3e
[INFO] running `Command { std: "docker" "start" "-a" "2dc194880940b54d11284f471a1e90a7f74f0460f53dd1a688d7abb21eb16b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling negative_index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn pos(&self, i32) -> T;
[INFO] [stdout]   |                   ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2dc194880940b54d11284f471a1e90a7f74f0460f53dd1a688d7abb21eb16b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc194880940b54d11284f471a1e90a7f74f0460f53dd1a688d7abb21eb16b3e", kill_on_drop: false }`
[INFO] [stdout] 2dc194880940b54d11284f471a1e90a7f74f0460f53dd1a688d7abb21eb16b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d83b0b03d3f37b1f0efedcba77da81ecb7c11fbce4f119861b675b5a58ca1af
[INFO] running `Command { std: "docker" "start" "-a" "6d83b0b03d3f37b1f0efedcba77da81ecb7c11fbce4f119861b675b5a58ca1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling negative_index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn pos(&self, i32) -> T;
[INFO] [stdout]   |                   ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6d83b0b03d3f37b1f0efedcba77da81ecb7c11fbce4f119861b675b5a58ca1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d83b0b03d3f37b1f0efedcba77da81ecb7c11fbce4f119861b675b5a58ca1af", kill_on_drop: false }`
[INFO] [stdout] 6d83b0b03d3f37b1f0efedcba77da81ecb7c11fbce4f119861b675b5a58ca1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad633e3ecd44cddb1f8632c4312f2cfc7e24bc6b28bf5a98b5b0ee0fe5a178a
[INFO] running `Command { std: "docker" "start" "-a" "1ad633e3ecd44cddb1f8632c4312f2cfc7e24bc6b28bf5a98b5b0ee0fe5a178a", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn pos(&self, i32) -> T;
[INFO] [stderr]   |                   ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `negative_index` (bin "negative_index" test) generated 1 warning (run `cargo fix --bin "negative_index" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/negative_index-b9fa1ba7b81e5765)
[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" "1ad633e3ecd44cddb1f8632c4312f2cfc7e24bc6b28bf5a98b5b0ee0fe5a178a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad633e3ecd44cddb1f8632c4312f2cfc7e24bc6b28bf5a98b5b0ee0fe5a178a", kill_on_drop: false }`
[INFO] [stdout] 1ad633e3ecd44cddb1f8632c4312f2cfc7e24bc6b28bf5a98b5b0ee0fe5a178a