[INFO] cloning repository https://github.com/bihari123/linked_list_for-_a-_text_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bihari123/linked_list_for-_a-_text_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihari123%2Flinked_list_for-_a-_text_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihari123%2Flinked_list_for-_a-_text_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90ab33c7118085b1c8123c06433ec7b0ce949bd0
[INFO] testing bihari123/linked_list_for-_a-_text_editor against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihari123%2Flinked_list_for-_a-_text_editor" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bihari123/linked_list_for-_a-_text_editor
[INFO] finished tweaking git repo https://github.com/bihari123/linked_list_for-_a-_text_editor
[INFO] tweaked toml for git repo https://github.com/bihari123/linked_list_for-_a-_text_editor written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bihari123/linked_list_for-_a-_text_editor on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bihari123/linked_list_for-_a-_text_editor 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e08ae5438bca7569da6f78a8576dddfa482f71f5d979a88028a7ef4c49536b
[INFO] running `Command { std: "docker" "start" "-a" "a2e08ae5438bca7569da6f78a8576dddfa482f71f5d979a88028a7ef4c49536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e08ae5438bca7569da6f78a8576dddfa482f71f5d979a88028a7ef4c49536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e08ae5438bca7569da6f78a8576dddfa482f71f5d979a88028a7ef4c49536b", kill_on_drop: false }`
[INFO] [stdout] a2e08ae5438bca7569da6f78a8576dddfa482f71f5d979a88028a7ef4c49536b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2918719e86d6b543a8dcf5e4d708952c7c06bebdcb4e2bf847d2e365b4275dee
[INFO] running `Command { std: "docker" "start" "-a" "2918719e86d6b543a8dcf5e4d708952c7c06bebdcb4e2bf847d2e365b4275dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist_text_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/main.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Insert(usize, char),
[INFO] [stdout]   |     ------        ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Insert(usize, char),
[INFO] [stdout] 6 +     Insert(usize, ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2918719e86d6b543a8dcf5e4d708952c7c06bebdcb4e2bf847d2e365b4275dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2918719e86d6b543a8dcf5e4d708952c7c06bebdcb4e2bf847d2e365b4275dee", kill_on_drop: false }`
[INFO] [stdout] 2918719e86d6b543a8dcf5e4d708952c7c06bebdcb4e2bf847d2e365b4275dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97fe9b81df37f8fdcbb210bc24b6044f939903e84035ba58c74b123e3831815d
[INFO] running `Command { std: "docker" "start" "-a" "97fe9b81df37f8fdcbb210bc24b6044f939903e84035ba58c74b123e3831815d", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist_text_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/main.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Insert(usize, char),
[INFO] [stdout]   |     ------        ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Insert(usize, char),
[INFO] [stdout] 6 +     Insert(usize, ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "97fe9b81df37f8fdcbb210bc24b6044f939903e84035ba58c74b123e3831815d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fe9b81df37f8fdcbb210bc24b6044f939903e84035ba58c74b123e3831815d", kill_on_drop: false }`
[INFO] [stdout] 97fe9b81df37f8fdcbb210bc24b6044f939903e84035ba58c74b123e3831815d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 671f9db9025df5f3cd6a40f4e8004d288d7d01a6fe3127577a39498cb276c13f
[INFO] running `Command { std: "docker" "start" "-a" "671f9db9025df5f3cd6a40f4e8004d288d7d01a6fe3127577a39498cb276c13f", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Insert(usize, char),
[INFO] [stderr]   |     ------        ^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Operation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 -     Insert(usize, char),
[INFO] [stderr] 6 +     Insert(usize, ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedlist_text_editor` (bin "linkedlist_text_editor" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linkedlist_text_editor-6c541ff79f04d1d6)
[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" "671f9db9025df5f3cd6a40f4e8004d288d7d01a6fe3127577a39498cb276c13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671f9db9025df5f3cd6a40f4e8004d288d7d01a6fe3127577a39498cb276c13f", kill_on_drop: false }`
[INFO] [stdout] 671f9db9025df5f3cd6a40f4e8004d288d7d01a6fe3127577a39498cb276c13f