[INFO] cloning repository https://github.com/calebmeyer/war
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebmeyer/war" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fd9de348d859400167c76291aac0fe208a84876
[INFO] testing calebmeyer/war against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebmeyer/war on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calebmeyer/war
[INFO] finished tweaking git repo https://github.com/calebmeyer/war
[INFO] tweaked toml for git repo https://github.com/calebmeyer/war written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/calebmeyer/war already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d46471aaf74e5cd522d41b3837c5e2321d685060601cf94262bda2087ff8e22
[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" "3d46471aaf74e5cd522d41b3837c5e2321d685060601cf94262bda2087ff8e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d46471aaf74e5cd522d41b3837c5e2321d685060601cf94262bda2087ff8e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d46471aaf74e5cd522d41b3837c5e2321d685060601cf94262bda2087ff8e22", kill_on_drop: false }`
[INFO] [stdout] 3d46471aaf74e5cd522d41b3837c5e2321d685060601cf94262bda2087ff8e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4e71582a5502ec8860b73ca5c40ecefed3724a1520cf2f478c86a80c7e2f3c
[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" "ae4e71582a5502ec8860b73ca5c40ecefed3724a1520cf2f478c86a80c7e2f3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for n in 1..=10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]   --> src/deck/mod.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_deck`
[INFO] [stdout]   --> src/deck/mod.rs:43:46
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_deck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut my_deck = deck.deal(26);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `give`
[INFO] [stdout]   --> src/deck/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DiscardPile`
[INFO] [stdout]   --> src/deck/mod.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "ae4e71582a5502ec8860b73ca5c40ecefed3724a1520cf2f478c86a80c7e2f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4e71582a5502ec8860b73ca5c40ecefed3724a1520cf2f478c86a80c7e2f3c", kill_on_drop: false }`
[INFO] [stdout] ae4e71582a5502ec8860b73ca5c40ecefed3724a1520cf2f478c86a80c7e2f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 26eb31b37f0bcd31938488ffb969baa6b339692ede644ffe705e6397ea711020
[INFO] running `Command { std: "docker" "start" "-a" "26eb31b37f0bcd31938488ffb969baa6b339692ede644ffe705e6397ea711020", kill_on_drop: false }`
[INFO] [stderr]    Compiling war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for n in 1..=10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]   --> src/deck/mod.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_deck`
[INFO] [stdout]   --> src/deck/mod.rs:43:46
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_deck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut my_deck = deck.deal(26);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `give`
[INFO] [stdout]   --> src/deck/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DiscardPile`
[INFO] [stdout]   --> src/deck/mod.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26eb31b37f0bcd31938488ffb969baa6b339692ede644ffe705e6397ea711020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26eb31b37f0bcd31938488ffb969baa6b339692ede644ffe705e6397ea711020", kill_on_drop: false }`
[INFO] [stdout] 26eb31b37f0bcd31938488ffb969baa6b339692ede644ffe705e6397ea711020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3221ee201e196d6fc43430e852389bba87a0a6c134540256cf3a4fe6825bd02d
[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" "3221ee201e196d6fc43430e852389bba87a0a6c134540256cf3a4fe6825bd02d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     for n in 1..=10 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cards`
[INFO] [stderr]   --> src/deck/mod.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other_deck`
[INFO] [stderr]   --> src/deck/mod.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_deck`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut my_deck = deck.deal(26);
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `give`
[INFO] [stderr]   --> src/deck/mod.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DiscardPile`
[INFO] [stderr]   --> src/deck/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/war-a7b7bc2e9a5c023f
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3221ee201e196d6fc43430e852389bba87a0a6c134540256cf3a4fe6825bd02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3221ee201e196d6fc43430e852389bba87a0a6c134540256cf3a4fe6825bd02d", kill_on_drop: false }`
[INFO] [stdout] 3221ee201e196d6fc43430e852389bba87a0a6c134540256cf3a4fe6825bd02d