[INFO] cloning repository https://github.com/Verdex/swarm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Verdex/swarm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fswarm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fswarm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9e3a9a4e222dbc291aabec5050b29e2057f0493
[INFO] testing Verdex/swarm against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fswarm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Verdex/swarm
[INFO] finished tweaking git repo https://github.com/Verdex/swarm
[INFO] tweaked toml for git repo https://github.com/Verdex/swarm written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Verdex/swarm on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Verdex/swarm 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc2f6ea38e49f489a017db04b2dc0f12dabba5e62737612d92bdc186f1df3a0
[INFO] running `Command { std: "docker" "start" "-a" "4bc2f6ea38e49f489a017db04b2dc0f12dabba5e62737612d92bdc186f1df3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc2f6ea38e49f489a017db04b2dc0f12dabba5e62737612d92bdc186f1df3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc2f6ea38e49f489a017db04b2dc0f12dabba5e62737612d92bdc186f1df3a0", kill_on_drop: false }`
[INFO] [stdout] 4bc2f6ea38e49f489a017db04b2dc0f12dabba5e62737612d92bdc186f1df3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] aba15e56f230dd981efe1ef20737ff655fd47ac7dbf170d62836ea8532a4ad3e
[INFO] running `Command { std: "docker" "start" "-a" "aba15e56f230dd981efe1ef20737ff655fd47ac7dbf170d62836ea8532a4ad3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling swarm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SortAbility`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use agent::{Agent, SortAbility, Action};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i2` is never read
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut i2 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Observe` and `Influence` are never constructed
[INFO] [stdout]  --> src/agent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Action {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] 6 |     Observe,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     Influence,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_towards` is never used
[INFO] [stdout]   --> src/agent.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl SortAbility {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn move_towards(&mut self, goal : &Self, dist : u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]   --> src/agent.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Agent {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub age : u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Agent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `agent_count` should have an upper case name
[INFO] [stdout]   --> src/main.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 |     const agent_count : usize = 30;
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `AGENT_COUNT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "aba15e56f230dd981efe1ef20737ff655fd47ac7dbf170d62836ea8532a4ad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba15e56f230dd981efe1ef20737ff655fd47ac7dbf170d62836ea8532a4ad3e", kill_on_drop: false }`
[INFO] [stdout] aba15e56f230dd981efe1ef20737ff655fd47ac7dbf170d62836ea8532a4ad3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5e64e8b9b7cc78cae185c28725fa02b4944b89346393af45be5c4324420f1d49
[INFO] running `Command { std: "docker" "start" "-a" "5e64e8b9b7cc78cae185c28725fa02b4944b89346393af45be5c4324420f1d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling swarm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SortAbility`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use agent::{Agent, SortAbility, Action};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i2` is never read
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut i2 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Observe` and `Influence` are never constructed
[INFO] [stdout]  --> src/agent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Action {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] 6 |     Observe,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     Influence,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_towards` is never used
[INFO] [stdout]   --> src/agent.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl SortAbility {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn move_towards(&mut self, goal : &Self, dist : u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]   --> src/agent.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Agent {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub age : u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Agent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `agent_count` should have an upper case name
[INFO] [stdout]   --> src/main.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 |     const agent_count : usize = 30;
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `AGENT_COUNT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5e64e8b9b7cc78cae185c28725fa02b4944b89346393af45be5c4324420f1d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e64e8b9b7cc78cae185c28725fa02b4944b89346393af45be5c4324420f1d49", kill_on_drop: false }`
[INFO] [stdout] 5e64e8b9b7cc78cae185c28725fa02b4944b89346393af45be5c4324420f1d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] caf0693d1433caae1320597091f2849f4084b40b82d95d4b65ec171e05a51bdf
[INFO] running `Command { std: "docker" "start" "-a" "caf0693d1433caae1320597091f2849f4084b40b82d95d4b65ec171e05a51bdf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SortAbility`
[INFO] [stderr]  --> src/main.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | use agent::{Agent, SortAbility, Action};
[INFO] [stderr]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 2 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test util::test::should_handle_distance_zero ... ok
[INFO] [stderr] 
[INFO] [stdout] test util::test::should_handle_distance_one ... ok
[INFO] [stderr] warning: value assigned to `i2` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:21:13
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 21 |     let mut i2 = 0;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Observe` and `Influence` are never constructed
[INFO] [stderr]  --> src/agent.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Action {
[INFO] [stderr]   |          ------ variants in this enum
[INFO] [stderr] 6 |     Observe,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 7 |     Influence,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `move_towards` is never used
[INFO] [stderr]   --> src/agent.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl SortAbility {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn move_towards(&mut self, goal : &Self, dist : u8) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `age` is never read
[INFO] [stderr]   --> src/agent.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Agent {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub age : u32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Agent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: constant `agent_count` should have an upper case name
[INFO] [stderr]   --> src/main.rs:71:11
[INFO] [stderr]    |
[INFO] [stderr] 71 |     const agent_count : usize = 30;
[INFO] [stderr]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `AGENT_COUNT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swarm` (bin "swarm" test) generated 6 warnings (run `cargo fix --bin "swarm" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/swarm-090e3755a6f9a9b6)
[INFO] running `Command { std: "docker" "inspect" "caf0693d1433caae1320597091f2849f4084b40b82d95d4b65ec171e05a51bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf0693d1433caae1320597091f2849f4084b40b82d95d4b65ec171e05a51bdf", kill_on_drop: false }`
[INFO] [stdout] caf0693d1433caae1320597091f2849f4084b40b82d95d4b65ec171e05a51bdf