[INFO] fetching crate lemon-tree 0.1.7...
[INFO] testing lemon-tree-0.1.7 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate lemon-tree 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lemon-tree 0.1.7 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lemon-tree 0.1.7
[INFO] finished tweaking crates.io crate lemon-tree 0.1.7
[INFO] tweaked toml for crates.io crate lemon-tree 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] e6e4dd00fc6cef3f1d0865fd1e4ed81049f384f88ace533d3b0cf984b8d08755
[INFO] running `Command { std: "docker" "start" "-a" "e6e4dd00fc6cef3f1d0865fd1e4ed81049f384f88ace533d3b0cf984b8d08755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e4dd00fc6cef3f1d0865fd1e4ed81049f384f88ace533d3b0cf984b8d08755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e4dd00fc6cef3f1d0865fd1e4ed81049f384f88ace533d3b0cf984b8d08755", kill_on_drop: false }`
[INFO] [stdout] e6e4dd00fc6cef3f1d0865fd1e4ed81049f384f88ace533d3b0cf984b8d08755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4446b79f6a4947af198df5a4c67a6e46c41e74d1cf6705f6d5bddb7c6f686174
[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" "4446b79f6a4947af198df5a4c67a6e46c41e74d1cf6705f6d5bddb7c6f686174", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling lemon-mint v0.1.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lemon-tree-derive v1.0.4
[INFO] [stderr]    Compiling lemon-tree v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "4446b79f6a4947af198df5a4c67a6e46c41e74d1cf6705f6d5bddb7c6f686174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4446b79f6a4947af198df5a4c67a6e46c41e74d1cf6705f6d5bddb7c6f686174", kill_on_drop: false }`
[INFO] [stdout] 4446b79f6a4947af198df5a4c67a6e46c41e74d1cf6705f6d5bddb7c6f686174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 351faef784465df4ad10638f64f5d7a3e2af6e5b57fd27f9ff5df40687c544a9
[INFO] running `Command { std: "docker" "start" "-a" "351faef784465df4ad10638f64f5d7a3e2af6e5b57fd27f9ff5df40687c544a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lemon-tree v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "351faef784465df4ad10638f64f5d7a3e2af6e5b57fd27f9ff5df40687c544a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351faef784465df4ad10638f64f5d7a3e2af6e5b57fd27f9ff5df40687c544a9", kill_on_drop: false }`
[INFO] [stdout] 351faef784465df4ad10638f64f5d7a3e2af6e5b57fd27f9ff5df40687c544a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] d9ce97300d3d5bd18b67d4f6982f40c0b41b07a1f6e4ee7ae70283b58a84e95b
[INFO] running `Command { std: "docker" "start" "-a" "d9ce97300d3d5bd18b67d4f6982f40c0b41b07a1f6e4ee7ae70283b58a84e95b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lemon_tree-1637c0d7a96b6ec4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/calc_1.rs (/opt/rustwide/target/debug/deps/calc_1-cf3d2b997562458b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test calc_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree_1.rs (/opt/rustwide/target/debug/deps/tree_1-aeddc181d22c06a6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lemon-tree
[INFO] [stdout] running 1 test
[INFO] [stdout] test tree_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ignored
[INFO] [stdout] test src/lib.rs - (line 34) ... ignored
[INFO] [stdout] test src/lib.rs - (line 58) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] test src/lib.rs - LemonTree (line 207) ... ignored
[INFO] [stdout] test src/lib.rs - LemonTree (line 216) ... ignored
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9ce97300d3d5bd18b67d4f6982f40c0b41b07a1f6e4ee7ae70283b58a84e95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ce97300d3d5bd18b67d4f6982f40c0b41b07a1f6e4ee7ae70283b58a84e95b", kill_on_drop: false }`
[INFO] [stdout] d9ce97300d3d5bd18b67d4f6982f40c0b41b07a1f6e4ee7ae70283b58a84e95b