[INFO] cloning repository https://github.com/steveklabnik/adventure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/adventure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fadventure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fadventure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a318dd0e951a1c28dbf9198dbef286dbc04036a2
[INFO] testing steveklabnik/adventure against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fadventure" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/adventure 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/steveklabnik/adventure
[INFO] finished tweaking git repo https://github.com/steveklabnik/adventure
[INFO] tweaked toml for git repo https://github.com/steveklabnik/adventure written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/adventure 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 805bd43ad098276dc555a135cf62d59f6d0f4748734b87cda6446b06de9c7619
[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" "805bd43ad098276dc555a135cf62d59f6d0f4748734b87cda6446b06de9c7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805bd43ad098276dc555a135cf62d59f6d0f4748734b87cda6446b06de9c7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805bd43ad098276dc555a135cf62d59f6d0f4748734b87cda6446b06de9c7619", kill_on_drop: false }`
[INFO] [stdout] 805bd43ad098276dc555a135cf62d59f6d0f4748734b87cda6446b06de9c7619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6d575437aa60c85ac92ba85814b8dd4009eb07e85e1452bb0a87e08e40e4598
[INFO] running `Command { std: "docker" "start" "-a" "b6d575437aa60c85ac92ba85814b8dd4009eb07e85e1452bb0a87e08e40e4598", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adventure v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/main.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn is_locked(&self, direction: Direction) -> bool {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `items`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     items: Vec<Item>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "b6d575437aa60c85ac92ba85814b8dd4009eb07e85e1452bb0a87e08e40e4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d575437aa60c85ac92ba85814b8dd4009eb07e85e1452bb0a87e08e40e4598", kill_on_drop: false }`
[INFO] [stdout] b6d575437aa60c85ac92ba85814b8dd4009eb07e85e1452bb0a87e08e40e4598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] d5041f30afaae084d28d41fe9711b3fdc2e0a67b09edf1b248a32e3ff752d11e
[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" "d5041f30afaae084d28d41fe9711b3fdc2e0a67b09edf1b248a32e3ff752d11e", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventure v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/main.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn is_locked(&self, direction: Direction) -> bool {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `items`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     items: Vec<Item>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "d5041f30afaae084d28d41fe9711b3fdc2e0a67b09edf1b248a32e3ff752d11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5041f30afaae084d28d41fe9711b3fdc2e0a67b09edf1b248a32e3ff752d11e", kill_on_drop: false }`
[INFO] [stdout] d5041f30afaae084d28d41fe9711b3fdc2e0a67b09edf1b248a32e3ff752d11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 63c923d656ef6fcb71dc0728bc42e22655b1f65e8ef847be43917be689d34b3a
[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" "63c923d656ef6fcb71dc0728bc42e22655b1f65e8ef847be43917be689d34b3a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `direction`
[INFO] [stderr]   --> src/main.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn is_locked(&self, direction: Direction) -> bool {
[INFO] [stderr]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `items`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     items: Vec<Item>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adventure-cb6ee738ef8ff9bb
[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" "63c923d656ef6fcb71dc0728bc42e22655b1f65e8ef847be43917be689d34b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c923d656ef6fcb71dc0728bc42e22655b1f65e8ef847be43917be689d34b3a", kill_on_drop: false }`
[INFO] [stdout] 63c923d656ef6fcb71dc0728bc42e22655b1f65e8ef847be43917be689d34b3a