[INFO] cloning repository https://github.com/cwndrws/ed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwndrws/ed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58b8d11526df8257f4fc5fad75741a87f79e34d2
[INFO] testing cwndrws/ed against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fed" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwndrws/ed on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwndrws/ed
[INFO] finished tweaking git repo https://github.com/cwndrws/ed
[INFO] tweaked toml for git repo https://github.com/cwndrws/ed written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cwndrws/ed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdaa312bd80511b9e3acc40069791419770fc5c001426a17e0a6d833666ba7a
[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" "9bdaa312bd80511b9e3acc40069791419770fc5c001426a17e0a6d833666ba7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdaa312bd80511b9e3acc40069791419770fc5c001426a17e0a6d833666ba7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdaa312bd80511b9e3acc40069791419770fc5c001426a17e0a6d833666ba7a", kill_on_drop: false }`
[INFO] [stdout] 9bdaa312bd80511b9e3acc40069791419770fc5c001426a17e0a6d833666ba7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997275a68893302332e1655be6a8cf33db102a980c0ba16f134a6adef7ca78f6
[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" "997275a68893302332e1655be6a8cf33db102a980c0ba16f134a6adef7ca78f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling ed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     std::process::exit(0);
[INFO] [stdout]    |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 54 |     Err("Should never get here".to_string())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn undo(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]   --> src/main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn print(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut command = Command {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]  --> src/diff.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Minus,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_line`
[INFO] [stdout]   --> src/diff.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn add_line(&self, line_num: i32, line: String) -> Diff {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `del_line`
[INFO] [stdout]   --> src/diff.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn del_line(&self, line_num: i32, line: String) -> Diff {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     File(File),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Current`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Current,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Last`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Last,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Previous`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Previous,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NthPrevious`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     NthPrevious(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Next`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Next,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NthNext`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     NthNext(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `All`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     All,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Range`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Range(Range),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurrentToEnd`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     CurrentToEnd,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RENext`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     RENext(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `REPrevious`
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     REPrevious(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mark`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Mark(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `CurrentAddress` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | static CurrentAddress: Address = Address::Nth(1);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CURRENT_ADDRESS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "997275a68893302332e1655be6a8cf33db102a980c0ba16f134a6adef7ca78f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997275a68893302332e1655be6a8cf33db102a980c0ba16f134a6adef7ca78f6", kill_on_drop: false }`
[INFO] [stdout] 997275a68893302332e1655be6a8cf33db102a980c0ba16f134a6adef7ca78f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 232f1b2245fcd7a19195052cc93ce6d5d6b0508a587312b7c8a0869113b10258
[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" "232f1b2245fcd7a19195052cc93ce6d5d6b0508a587312b7c8a0869113b10258", kill_on_drop: false }`
[INFO] [stderr]    Compiling ed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     std::process::exit(0);
[INFO] [stdout]    |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 54 |     Err("Should never get here".to_string())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn undo(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]   --> src/main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn print(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut command = Command {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     File(File),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Current`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Current,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Last`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Last,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Previous`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Previous,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NthPrevious`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     NthPrevious(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Next`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Next,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NthNext`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     NthNext(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `All`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     All,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Range`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Range(Range),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurrentToEnd`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     CurrentToEnd,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RENext`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     RENext(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `REPrevious`
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     REPrevious(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mark`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Mark(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `CurrentAddress` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | static CurrentAddress: Address = Address::Nth(1);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CURRENT_ADDRESS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "232f1b2245fcd7a19195052cc93ce6d5d6b0508a587312b7c8a0869113b10258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232f1b2245fcd7a19195052cc93ce6d5d6b0508a587312b7c8a0869113b10258", kill_on_drop: false }`
[INFO] [stdout] 232f1b2245fcd7a19195052cc93ce6d5d6b0508a587312b7c8a0869113b10258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f2d02d648e71a3f6d08f2f8e5eadcd1b5c8f967aa36b5327ea51d725c8b47b9
[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" "5f2d02d648e71a3f6d08f2f8e5eadcd1b5c8f967aa36b5327ea51d725c8b47b9", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     std::process::exit(0);
[INFO] [stderr]    |     --------------------- any code following this expression is unreachable
[INFO] [stderr] 54 |     Err("Should never get here".to_string())
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn undo(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `diff`
[INFO] [stderr]   --> src/main.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn quit(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn print(addr: Address, diff: &diff::Diff) -> Result<diff::Diff, String> {
[INFO] [stderr]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut command = Command {
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]  --> src/buffer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     File(File),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Current`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Current,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Last`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Last,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Previous`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Previous,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NthPrevious`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     NthPrevious(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Next`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Next,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NthNext`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     NthNext(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `All`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     All,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Range`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Range(Range),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CurrentToEnd`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     CurrentToEnd,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RENext`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     RENext(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `REPrevious`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     REPrevious(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mark`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Mark(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `CurrentAddress` should have an upper case name
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | static CurrentAddress: Address = Address::Nth(1);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CURRENT_ADDRESS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ed-95d94c3f6759b4c1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test diff::tests::diff_undo ... ok
[INFO] [stdout] test diff::tests::diff_has_lines ... ok
[INFO] [stdout] test diff::tests::new_diff_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f2d02d648e71a3f6d08f2f8e5eadcd1b5c8f967aa36b5327ea51d725c8b47b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2d02d648e71a3f6d08f2f8e5eadcd1b5c8f967aa36b5327ea51d725c8b47b9", kill_on_drop: false }`
[INFO] [stdout] 5f2d02d648e71a3f6d08f2f8e5eadcd1b5c8f967aa36b5327ea51d725c8b47b9
