[INFO] cloning repository https://github.com/TooManyBees/fennel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TooManyBees/fennel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTooManyBees%2Ffennel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTooManyBees%2Ffennel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1008fbcf597ad462043e045b88ea16e8b7f666a3
[INFO] checking TooManyBees/fennel against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTooManyBees%2Ffennel" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TooManyBees/fennel on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TooManyBees/fennel
[INFO] finished tweaking git repo https://github.com/TooManyBees/fennel
[INFO] tweaked toml for git repo https://github.com/TooManyBees/fennel written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/TooManyBees/fennel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (getrandom) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87355aa5d89e0e74810c3be5e5d6fdf5a13fac89f5e9dcd3acf5f796e87c81f1
[INFO] running `Command { std: "docker" "start" "-a" "87355aa5d89e0e74810c3be5e5d6fdf5a13fac89f5e9dcd3acf5f796e87c81f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87355aa5d89e0e74810c3be5e5d6fdf5a13fac89f5e9dcd3acf5f796e87c81f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87355aa5d89e0e74810c3be5e5d6fdf5a13fac89f5e9dcd3acf5f796e87c81f1", kill_on_drop: false }`
[INFO] [stdout] 87355aa5d89e0e74810c3be5e5d6fdf5a13fac89f5e9dcd3acf5f796e87c81f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761a0580204c21f0499fcaceac46f8d4e175705070d9087a86f134cdd1302bc0
[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" "761a0580204c21f0499fcaceac46f8d4e175705070d9087a86f134cdd1302bc0", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (getrandom) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking async-task v4.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking telnet v0.1.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking async-semaphore v1.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking async-barrier v1.0.1
[INFO] [stderr]     Checking async-rwlock v1.1.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking async-lock v2.1.3
[INFO] [stderr]     Checking intrusive-collections v0.9.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bcrypt v0.8.2
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-fs v1.3.0
[INFO] [stderr]     Checking async-process v1.0.0
[INFO] [stderr]     Checking async-net v1.4.1
[INFO] [stderr]     Checking smol v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking fennel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CharId`
[INFO] [stdout]  --> src/area.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::character::{CharId, Character};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RoomId`
[INFO] [stdout]  --> src/commands.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{PlayerRecord, RoomId, World};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CharId`
[INFO] [stdout]  --> src/area.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::character::{CharId, Character};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RoomId`
[INFO] [stdout]  --> src/commands.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{PlayerRecord, RoomId, World};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_idx`
[INFO] [stdout]   --> src/commands.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 for char_idx in &world.room_chars[&room.id] {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/commands.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(e) => write!(
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_len`
[INFO] [stdout]   --> src/listener.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     max_len: usize,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> src/listener.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     timeout: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_idx`
[INFO] [stdout]   --> src/commands.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 for char_idx in &world.room_chars[&room.id] {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/commands.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(e) => write!(
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_len`
[INFO] [stdout]   --> src/listener.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     max_len: usize,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> src/listener.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     timeout: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `at_room`
[INFO] [stdout]   --> src/world.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     at_room: RoomId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `at_room`
[INFO] [stdout]   --> src/world.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     at_room: RoomId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "761a0580204c21f0499fcaceac46f8d4e175705070d9087a86f134cdd1302bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761a0580204c21f0499fcaceac46f8d4e175705070d9087a86f134cdd1302bc0", kill_on_drop: false }`
[INFO] [stdout] 761a0580204c21f0499fcaceac46f8d4e175705070d9087a86f134cdd1302bc0