[INFO] cloning repository https://github.com/vsamarth/rope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsamarth/rope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/push-to-checkout.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope/hooks/push-to-checkout.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/vsamarth/rope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsamarth/rope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a9ef586552e6c4403b94bf849404a9fba7fcc63
[INFO] building vsamarth/rope against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vsamarth/rope on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vsamarth/rope
[INFO] finished tweaking git repo https://github.com/vsamarth/rope
[INFO] tweaked toml for git repo https://github.com/vsamarth/rope written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vsamarth/rope 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932402a3aa7be87cd842c1e4f1065eb2df923c504fe20fce5e7eb3e70b196558
[INFO] running `Command { std: "docker" "start" "-a" "932402a3aa7be87cd842c1e4f1065eb2df923c504fe20fce5e7eb3e70b196558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932402a3aa7be87cd842c1e4f1065eb2df923c504fe20fce5e7eb3e70b196558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932402a3aa7be87cd842c1e4f1065eb2df923c504fe20fce5e7eb3e70b196558", kill_on_drop: false }`
[INFO] [stdout] 932402a3aa7be87cd842c1e4f1065eb2df923c504fe20fce5e7eb3e70b196558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac723e4846a680181adcdb03f5e093ffa3468ff0288705a05cbabeaa1311fe40
[INFO] running `Command { std: "docker" "start" "-a" "ac723e4846a680181adcdb03f5e093ffa3468ff0288705a05cbabeaa1311fe40", kill_on_drop: false }`
[INFO] [stderr]    Compiling rope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::node::Node`
[INFO] [stdout]  --> src/tree/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use self::node::Node;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn char(&self, index: usize) -> char {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:40
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "ac723e4846a680181adcdb03f5e093ffa3468ff0288705a05cbabeaa1311fe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac723e4846a680181adcdb03f5e093ffa3468ff0288705a05cbabeaa1311fe40", kill_on_drop: false }`
[INFO] [stdout] ac723e4846a680181adcdb03f5e093ffa3468ff0288705a05cbabeaa1311fe40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a96fb5623ef339fbe66c57280ef0a08868794951ae6a2bd63a4e9fe25256983
[INFO] running `Command { std: "docker" "start" "-a" "2a96fb5623ef339fbe66c57280ef0a08868794951ae6a2bd63a4e9fe25256983", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `self::node::Node`
[INFO] [stdout]  --> src/tree/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use self::node::Node;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn char(&self, index: usize) -> char {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:40
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::node::Node`
[INFO] [stdout]  --> src/tree/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use self::node::Node;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn char(&self, index: usize) -> char {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/tree/node_leaf.rs:19:40
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "2a96fb5623ef339fbe66c57280ef0a08868794951ae6a2bd63a4e9fe25256983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a96fb5623ef339fbe66c57280ef0a08868794951ae6a2bd63a4e9fe25256983", kill_on_drop: false }`
[INFO] [stdout] 2a96fb5623ef339fbe66c57280ef0a08868794951ae6a2bd63a4e9fe25256983