[INFO] cloning repository https://github.com/garciaguimeras/rusty_fortress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garciaguimeras/rusty_fortress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7cc6003fc4b26ae238649d68142f18b73697260
[INFO] testing garciaguimeras/rusty_fortress against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garciaguimeras/rusty_fortress on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garciaguimeras/rusty_fortress
[INFO] finished tweaking git repo https://github.com/garciaguimeras/rusty_fortress
[INFO] tweaked toml for git repo https://github.com/garciaguimeras/rusty_fortress written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/garciaguimeras/rusty_fortress already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a98ae4eb363ba2ee3912bee2d01616746d285ef7639bb69b55c533d06b5e9b5
[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" "8a98ae4eb363ba2ee3912bee2d01616746d285ef7639bb69b55c533d06b5e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a98ae4eb363ba2ee3912bee2d01616746d285ef7639bb69b55c533d06b5e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a98ae4eb363ba2ee3912bee2d01616746d285ef7639bb69b55c533d06b5e9b5", kill_on_drop: false }`
[INFO] [stdout] 8a98ae4eb363ba2ee3912bee2d01616746d285ef7639bb69b55c533d06b5e9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8a9cfe0c1dd99210a7dee4397a19382e7d850f3589b3d30fedd153ec20a07a
[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" "4e8a9cfe0c1dd99210a7dee4397a19382e7d850f3589b3d30fedd153ec20a07a", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling rusty_fortress_lib v0.1.0 (/opt/rustwide/workdir/rusty_fortress_lib)
[INFO] [stdout] warning: function is never used: `help_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn help_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn error_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quit_message`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn quit_message() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Environment`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Environment {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new() -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `one_obj_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn one_obj_fn<P>(&mut self, objects: &Vec<String>, null_obj_err: &str, predicate: P) -> String
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `two_objs_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn two_objs_fn<P>(&mut self, objects: &Vec<String>, null_obj1_err: &str, null_obj2_err: &str, predicate: P) -> String 
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_keywords`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_all_keywords(&self, output: &Vec<parser::OutputAction>) -> Vec<parser::Keyword> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_objects`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn get_all_objects(&self, output: &Vec<parser::OutputAction>) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn execute(&mut self, output: &Vec<parser::OutputAction>) -> (bool, String) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/universe/door.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(name: &str) -> Door {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> rusty_fortress_lib/src/universe/door.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn new(name: &str, key: &str) -> LockedDoor {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_fortress_console v0.1.0 (/opt/rustwide/workdir/rusty_fortress_console)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "4e8a9cfe0c1dd99210a7dee4397a19382e7d850f3589b3d30fedd153ec20a07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8a9cfe0c1dd99210a7dee4397a19382e7d850f3589b3d30fedd153ec20a07a", kill_on_drop: false }`
[INFO] [stdout] 4e8a9cfe0c1dd99210a7dee4397a19382e7d850f3589b3d30fedd153ec20a07a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1260e3fc8789afe30872bbab3f2dd5b571fb0fa091911a26e1e6a74c737a8337
[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" "1260e3fc8789afe30872bbab3f2dd5b571fb0fa091911a26e1e6a74c737a8337", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `help_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn help_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn error_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quit_message`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn quit_message() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_fortress_lib v0.1.0 (/opt/rustwide/workdir/rusty_fortress_lib)
[INFO] [stdout] warning: struct is never constructed: `Environment`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Environment {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_fortress_console v0.1.0 (/opt/rustwide/workdir/rusty_fortress_console)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new() -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `one_obj_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn one_obj_fn<P>(&mut self, objects: &Vec<String>, null_obj_err: &str, predicate: P) -> String
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `two_objs_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn two_objs_fn<P>(&mut self, objects: &Vec<String>, null_obj1_err: &str, null_obj2_err: &str, predicate: P) -> String 
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_keywords`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_all_keywords(&self, output: &Vec<parser::OutputAction>) -> Vec<parser::Keyword> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_objects`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn get_all_objects(&self, output: &Vec<parser::OutputAction>) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn execute(&mut self, output: &Vec<parser::OutputAction>) -> (bool, String) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/universe/door.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(name: &str) -> Door {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> rusty_fortress_lib/src/universe/door.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn new(name: &str, key: &str) -> LockedDoor {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `help_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn help_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_message`
[INFO] [stdout]  --> rusty_fortress_lib/src/legacy/env.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn error_message() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quit_message`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn quit_message() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Environment`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Environment {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new() -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `one_obj_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn one_obj_fn<P>(&mut self, objects: &Vec<String>, null_obj_err: &str, predicate: P) -> String
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `two_objs_fn`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn two_objs_fn<P>(&mut self, objects: &Vec<String>, null_obj1_err: &str, null_obj2_err: &str, predicate: P) -> String 
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_keywords`
[INFO] [stdout]   --> rusty_fortress_lib/src/legacy/env.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_all_keywords(&self, output: &Vec<parser::OutputAction>) -> Vec<parser::Keyword> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_all_objects`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn get_all_objects(&self, output: &Vec<parser::OutputAction>) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> rusty_fortress_lib/src/legacy/env.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn execute(&mut self, output: &Vec<parser::OutputAction>) -> (bool, String) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> rusty_fortress_lib/src/universe/door.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(name: &str) -> Door {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> rusty_fortress_lib/src/universe/door.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn new(name: &str, key: &str) -> LockedDoor {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "1260e3fc8789afe30872bbab3f2dd5b571fb0fa091911a26e1e6a74c737a8337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1260e3fc8789afe30872bbab3f2dd5b571fb0fa091911a26e1e6a74c737a8337", kill_on_drop: false }`
[INFO] [stdout] 1260e3fc8789afe30872bbab3f2dd5b571fb0fa091911a26e1e6a74c737a8337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17187de131dbcad54f972a87a33b864bed7684228375998447448ebe5b8c101d
[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" "17187de131dbcad54f972a87a33b864bed7684228375998447448ebe5b8c101d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `help_message`
[INFO] [stderr]  --> rusty_fortress_lib/src/legacy/env.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn help_message() -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error_message`
[INFO] [stderr]  --> rusty_fortress_lib/src/legacy/env.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn error_message() -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quit_message`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn quit_message() -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Environment`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Environment {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> Environment {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `one_obj_fn`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn one_obj_fn<P>(&mut self, objects: &Vec<String>, null_obj_err: &str, predicate: P) -> String
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `two_objs_fn`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn two_objs_fn<P>(&mut self, objects: &Vec<String>, null_obj1_err: &str, null_obj2_err: &str, predicate: P) -> String 
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_all_keywords`
[INFO] [stderr]   --> rusty_fortress_lib/src/legacy/env.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn get_all_keywords(&self, output: &Vec<parser::OutputAction>) -> Vec<parser::Keyword> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_all_objects`
[INFO] [stderr]    --> rusty_fortress_lib/src/legacy/env.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn get_all_objects(&self, output: &Vec<parser::OutputAction>) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]    --> rusty_fortress_lib/src/legacy/env.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn execute(&mut self, output: &Vec<parser::OutputAction>) -> (bool, String) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> rusty_fortress_lib/src/universe/door.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(name: &str) -> Door {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> rusty_fortress_lib/src/universe/door.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn new(name: &str, key: &str) -> LockedDoor {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_fortress_lib` (lib) generated 12 warnings
[INFO] [stderr] warning: `rusty_fortress_lib` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_fortress_console-cfc947f50b511408)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_fortress_lib-034e42abe54a716f)
[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] [stderr]    Doc-tests rusty_fortress_lib
[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" "17187de131dbcad54f972a87a33b864bed7684228375998447448ebe5b8c101d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17187de131dbcad54f972a87a33b864bed7684228375998447448ebe5b8c101d", kill_on_drop: false }`
[INFO] [stdout] 17187de131dbcad54f972a87a33b864bed7684228375998447448ebe5b8c101d