[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#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdavidel%2Frust-negative-index" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xdavidel/rust-negative-index on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-0/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: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ed74ad1b788f3ee34ee661d2612c03b82aad469ac10b18a8d2a7ecd9640f464
[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" "1ed74ad1b788f3ee34ee661d2612c03b82aad469ac10b18a8d2a7ecd9640f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed74ad1b788f3ee34ee661d2612c03b82aad469ac10b18a8d2a7ecd9640f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed74ad1b788f3ee34ee661d2612c03b82aad469ac10b18a8d2a7ecd9640f464", kill_on_drop: false }`
[INFO] [stdout] 1ed74ad1b788f3ee34ee661d2612c03b82aad469ac10b18a8d2a7ecd9640f464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c187f7130f4c80ff87c46d95ed7783e4c7e3870e6c7edcccfe35fbf2a1d49a85
[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" "c187f7130f4c80ff87c46d95ed7783e4c7e3870e6c7edcccfe35fbf2a1d49a85", 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]   = note: `#[warn(anonymous_parameters)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "c187f7130f4c80ff87c46d95ed7783e4c7e3870e6c7edcccfe35fbf2a1d49a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c187f7130f4c80ff87c46d95ed7783e4c7e3870e6c7edcccfe35fbf2a1d49a85", kill_on_drop: false }`
[INFO] [stdout] c187f7130f4c80ff87c46d95ed7783e4c7e3870e6c7edcccfe35fbf2a1d49a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14ff703038fe81731dd20868a69124afd6e330085d971dba907f913029db9854
[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" "14ff703038fe81731dd20868a69124afd6e330085d971dba907f913029db9854", 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]   = note: `#[warn(anonymous_parameters)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "14ff703038fe81731dd20868a69124afd6e330085d971dba907f913029db9854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ff703038fe81731dd20868a69124afd6e330085d971dba907f913029db9854", kill_on_drop: false }`
[INFO] [stdout] 14ff703038fe81731dd20868a69124afd6e330085d971dba907f913029db9854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83b4b19e7f700afc02a6b90efa9bdc987e17e40f0411f0f3ccb10dedfb491783
[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" "83b4b19e7f700afc02a6b90efa9bdc987e17e40f0411f0f3ccb10dedfb491783", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 |     fn pos(&self, i32) -> T;
[INFO] [stdout] 
[INFO] [stderr]   |                   ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[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] 
[INFO] [stderr] warning: `negative_index` (bin "negative_index" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/negative_index-be116c57b9d5fa8a)
[INFO] running `Command { std: "docker" "inspect" "83b4b19e7f700afc02a6b90efa9bdc987e17e40f0411f0f3ccb10dedfb491783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b4b19e7f700afc02a6b90efa9bdc987e17e40f0411f0f3ccb10dedfb491783", kill_on_drop: false }`
[INFO] [stdout] 83b4b19e7f700afc02a6b90efa9bdc987e17e40f0411f0f3ccb10dedfb491783