[INFO] cloning repository https://github.com/ethanshry/Ant-Simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanshry/Ant-Simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanshry%2FAnt-Simulation", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d5fe9c0de074d645a34438ba123b64179016655
[INFO] checking ethanshry/Ant-Simulation against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanshry%2FAnt-Simulation" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/ethanshry/Ant-Simulation on toolchain 506512391b1a75ae450d36c9420978402a91abcc
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[INFO] crate git repo https://github.com/ethanshry/Ant-Simulation 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:132:37
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.home_scents = Vec::drain_filter(&mut self.home_scents, |s| {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:132:37
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.home_scents = Vec::drain_filter(&mut self.home_scents, |s| {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:137:37
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.food_scents = Vec::drain_filter(&mut self.food_scents, |s| {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:137:37
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.food_scents = Vec::drain_filter(&mut self.food_scents, |s| {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:221:30
[INFO] [stdout]     |
[INFO] [stdout] 221 |             self.ants = Vec::drain_filter(&mut self.ants, |a| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `drain_filter` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]    --> src/main.rs:221:30
[INFO] [stdout]     |
[INFO] [stdout] 221 |             self.ants = Vec::drain_filter(&mut self.ants, |a| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ants` (bin "ants") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ants` (bin "ants" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa0770624d1c79a512af0f6b163ba7c0f41d801dfb294b01b8d04e381e8ce51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0770624d1c79a512af0f6b163ba7c0f41d801dfb294b01b8d04e381e8ce51f", kill_on_drop: false }`
[INFO] [stdout] aa0770624d1c79a512af0f6b163ba7c0f41d801dfb294b01b8d04e381e8ce51f
[INFO] checking ethanshry/Ant-Simulation against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanshry%2FAnt-Simulation" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethanshry/Ant-Simulation on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ethanshry/Ant-Simulation
[INFO] finished tweaking git repo https://github.com/ethanshry/Ant-Simulation
[INFO] tweaked toml for git repo https://github.com/ethanshry/Ant-Simulation written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ethanshry/Ant-Simulation 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 263a5c303b9fdf9d8dcd1ec2a3cfc27354d728d5ad05729d3e32489f5000184e
[INFO] running `Command { std: "docker" "start" "-a" "263a5c303b9fdf9d8dcd1ec2a3cfc27354d728d5ad05729d3e32489f5000184e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "263a5c303b9fdf9d8dcd1ec2a3cfc27354d728d5ad05729d3e32489f5000184e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263a5c303b9fdf9d8dcd1ec2a3cfc27354d728d5ad05729d3e32489f5000184e", kill_on_drop: false }`
[INFO] [stdout] 263a5c303b9fdf9d8dcd1ec2a3cfc27354d728d5ad05729d3e32489f5000184e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d892ca24812f03eb4f51fddf86ef0ee5465cd1e2516cf6de74c5afc60f9822b5
[INFO] running `Command { std: "docker" "start" "-a" "d892ca24812f03eb4f51fddf86ef0ee5465cd1e2516cf6de74c5afc60f9822b5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d892ca24812f03eb4f51fddf86ef0ee5465cd1e2516cf6de74c5afc60f9822b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d892ca24812f03eb4f51fddf86ef0ee5465cd1e2516cf6de74c5afc60f9822b5", kill_on_drop: false }`
[INFO] [stdout] d892ca24812f03eb4f51fddf86ef0ee5465cd1e2516cf6de74c5afc60f9822b5