[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] testing vsamarth/rope against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsamarth%2Frope" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vsamarth/rope on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a75218b3f75a842733b1b1381b61295d94135dc04f16169e92e634216459d226
[INFO] running `Command { std: "docker" "start" "-a" "a75218b3f75a842733b1b1381b61295d94135dc04f16169e92e634216459d226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a75218b3f75a842733b1b1381b61295d94135dc04f16169e92e634216459d226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75218b3f75a842733b1b1381b61295d94135dc04f16169e92e634216459d226", kill_on_drop: false }`
[INFO] [stdout] a75218b3f75a842733b1b1381b61295d94135dc04f16169e92e634216459d226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cda1f4b45d46bb25c2f8a75e7a88151574b8948ba725195187d47340213cc03
[INFO] running `Command { std: "docker" "start" "-a" "3cda1f4b45d46bb25c2f8a75e7a88151574b8948ba725195187d47340213cc03", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/tree/node.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeLeaf` is never constructed
[INFO] [stdout]  --> src/tree/node_leaf.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NodeLeaf {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "3cda1f4b45d46bb25c2f8a75e7a88151574b8948ba725195187d47340213cc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cda1f4b45d46bb25c2f8a75e7a88151574b8948ba725195187d47340213cc03", kill_on_drop: false }`
[INFO] [stdout] 3cda1f4b45d46bb25c2f8a75e7a88151574b8948ba725195187d47340213cc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b10b7e7ecab347320da6d7b452ad7b0e1734f2ad9520cade07939da76a6537
[INFO] running `Command { std: "docker" "start" "-a" "43b10b7e7ecab347320da6d7b452ad7b0e1734f2ad9520cade07939da76a6537", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/tree/node.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeLeaf` is never constructed
[INFO] [stdout]  --> src/tree/node_leaf.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NodeLeaf {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "43b10b7e7ecab347320da6d7b452ad7b0e1734f2ad9520cade07939da76a6537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b10b7e7ecab347320da6d7b452ad7b0e1734f2ad9520cade07939da76a6537", kill_on_drop: false }`
[INFO] [stdout] 43b10b7e7ecab347320da6d7b452ad7b0e1734f2ad9520cade07939da76a6537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f70a429d36c83c5b49c8ad58d6c6330c7517323ee2aae2fa78e6124dd0bef86d
[INFO] running `Command { std: "docker" "start" "-a" "f70a429d36c83c5b49c8ad58d6c6330c7517323ee2aae2fa78e6124dd0bef86d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::node::Node`
[INFO] [stderr]  --> src/tree/mod.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) use self::node::Node;
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tree/node.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn char(&self, index: usize) -> char {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tree/node_leaf.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stderr]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/tree/node_leaf.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn insert(&mut self, index: usize, string: &str) {
[INFO] [stderr]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Node` is never used
[INFO] [stderr]  --> src/tree/node.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Node {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NodeLeaf` is never constructed
[INFO] [stderr]  --> src/tree/node_leaf.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct NodeLeaf {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rope` (lib) generated 6 warnings (run `cargo fix --lib -p rope` to apply 4 suggestions)
[INFO] [stderr] warning: `rope` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rope-aadd17ac35531e95)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tree::node::tests::create_empty_node ... ok
[INFO] [stdout] test tree::node::tests::create_node_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rope
[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" "f70a429d36c83c5b49c8ad58d6c6330c7517323ee2aae2fa78e6124dd0bef86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70a429d36c83c5b49c8ad58d6c6330c7517323ee2aae2fa78e6124dd0bef86d", kill_on_drop: false }`
[INFO] [stdout] f70a429d36c83c5b49c8ad58d6c6330c7517323ee2aae2fa78e6124dd0bef86d