[INFO] fetching crate refptr 0.2.0...
[INFO] testing refptr-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate refptr 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate refptr 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refptr 0.2.0
[INFO] finished tweaking crates.io crate refptr 0.2.0
[INFO] tweaked toml for crates.io crate refptr 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "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] 9067ef3737e31109486e44afb704fb5c50782237c0b7d980ca2ef84d5bc19f28
[INFO] running `Command { std: "docker" "start" "-a" "9067ef3737e31109486e44afb704fb5c50782237c0b7d980ca2ef84d5bc19f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9067ef3737e31109486e44afb704fb5c50782237c0b7d980ca2ef84d5bc19f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9067ef3737e31109486e44afb704fb5c50782237c0b7d980ca2ef84d5bc19f28", kill_on_drop: false }`
[INFO] [stdout] 9067ef3737e31109486e44afb704fb5c50782237c0b7d980ca2ef84d5bc19f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80fa4d4ed81ce6ffb7e31418c93e8b5b30dd44e7b7c9adf43e57f3ab87a20236
[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" "80fa4d4ed81ce6ffb7e31418c93e8b5b30dd44e7b7c9adf43e57f3ab87a20236", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling refptr-macros v0.2.0
[INFO] [stderr]    Compiling refptr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "80fa4d4ed81ce6ffb7e31418c93e8b5b30dd44e7b7c9adf43e57f3ab87a20236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fa4d4ed81ce6ffb7e31418c93e8b5b30dd44e7b7c9adf43e57f3ab87a20236", kill_on_drop: false }`
[INFO] [stdout] 80fa4d4ed81ce6ffb7e31418c93e8b5b30dd44e7b7c9adf43e57f3ab87a20236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6012cd62780bcc844304f6a2e4307dacc923ac356f063f99ee68de859f70eda6
[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" "6012cd62780bcc844304f6a2e4307dacc923ac356f063f99ee68de859f70eda6", kill_on_drop: false }`
[INFO] [stderr]    Compiling refptr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]  --> tests/testy.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aaa: i32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]  --> tests/testy.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     bbb: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "6012cd62780bcc844304f6a2e4307dacc923ac356f063f99ee68de859f70eda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6012cd62780bcc844304f6a2e4307dacc923ac356f063f99ee68de859f70eda6", kill_on_drop: false }`
[INFO] [stdout] 6012cd62780bcc844304f6a2e4307dacc923ac356f063f99ee68de859f70eda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] 94f671a2459105fea32ac5eb3d3f52a486ab600bcb3a437e5c64fa25e85649ed
[INFO] running `Command { std: "docker" "start" "-a" "94f671a2459105fea32ac5eb3d3f52a486ab600bcb3a437e5c64fa25e85649ed", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]  --> tests/testy.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     aaa: i32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]  --> tests/testy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     bbb: u32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/refptr-e1820c2c93f1d894
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testy-903216122d9a4b9f
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests refptr
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - make_refptr (line 477) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 97) ... ok
[INFO] [stdout] test src/lib.rs - (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - WeakPtr (line 293) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94f671a2459105fea32ac5eb3d3f52a486ab600bcb3a437e5c64fa25e85649ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f671a2459105fea32ac5eb3d3f52a486ab600bcb3a437e5c64fa25e85649ed", kill_on_drop: false }`
[INFO] [stdout] 94f671a2459105fea32ac5eb3d3f52a486ab600bcb3a437e5c64fa25e85649ed
