[INFO] fetching crate deltoid 0.8.2...
[INFO] testing deltoid-0.8.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate deltoid 0.8.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate deltoid 0.8.2 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 crates.io crate deltoid 0.8.2
[INFO] finished tweaking crates.io crate deltoid 0.8.2
[INFO] tweaked toml for crates.io crate deltoid 0.8.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5abc1b89cd81d1a341efa75dc6315641b8148efa431f4efe0821ed7d6edce29
[INFO] running `Command { std: "docker" "start" "-a" "e5abc1b89cd81d1a341efa75dc6315641b8148efa431f4efe0821ed7d6edce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5abc1b89cd81d1a341efa75dc6315641b8148efa431f4efe0821ed7d6edce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5abc1b89cd81d1a341efa75dc6315641b8148efa431f4efe0821ed7d6edce29", kill_on_drop: false }`
[INFO] [stdout] e5abc1b89cd81d1a341efa75dc6315641b8148efa431f4efe0821ed7d6edce29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8584293a6df8210cee07dc4cd8a6aa3b87936f6b2a71143b7b4512da39463658
[INFO] running `Command { std: "docker" "start" "-a" "8584293a6df8210cee07dc4cd8a6aa3b87936f6b2a71143b7b4512da39463658", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling deltoid v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.23s
[INFO] running `Command { std: "docker" "inspect" "8584293a6df8210cee07dc4cd8a6aa3b87936f6b2a71143b7b4512da39463658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8584293a6df8210cee07dc4cd8a6aa3b87936f6b2a71143b7b4512da39463658", kill_on_drop: false }`
[INFO] [stdout] 8584293a6df8210cee07dc4cd8a6aa3b87936f6b2a71143b7b4512da39463658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 93180a4e2584630b023981e059fefb34b22deb30c36038ee42b099e7db912788
[INFO] running `Command { std: "docker" "start" "-a" "93180a4e2584630b023981e059fefb34b22deb30c36038ee42b099e7db912788", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling deltoid v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.08s
[INFO] running `Command { std: "docker" "inspect" "93180a4e2584630b023981e059fefb34b22deb30c36038ee42b099e7db912788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93180a4e2584630b023981e059fefb34b22deb30c36038ee42b099e7db912788", kill_on_drop: false }`
[INFO] [stdout] 93180a4e2584630b023981e059fefb34b22deb30c36038ee42b099e7db912788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 76bb11bc48fceae01525b5cf71b8ea56b04aff9e3288deeb9df6f07d21e1cfdd
[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" "76bb11bc48fceae01525b5cf71b8ea56b04aff9e3288deeb9df6f07d21e1cfdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deltoid-b13153500646fc1d
[INFO] [stdout] running 107 tests
[INFO] [stdout] test arrays::tests::Array1_apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array0_apply__same_values ... ok
[INFO] [stdout] test arrays::tests::Array1_apply__same_values ... ok
[INFO] [stdout] test arrays::tests::Array1_delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array2_delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array5_apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array5_apply__same_values ... ok
[INFO] [stdout] test arrays::tests::Array3_apply__same_values ... ok
[INFO] [stdout] test arrays::tests::Array0_delta__same_values ... ok
[INFO] [stdout] test arrays::tests::Array2_delta__same_values ... ok
[INFO] [stdout] test arrays::tests::Array3_delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array4_apply__same_values ... ok
[INFO] [stdout] test borrow::tests::Cow__apply__same_values ... ok
[INFO] [stdout] test borrow::tests::Cow__delta___different_values ... ok
[INFO] [stdout] test borrow::tests::Cow__delta___same_values ... ok
[INFO] [stdout] test boxed::tests::Box__apply__different_values ... ok
[INFO] [stdout] test borrow::tests::Cow__apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array2_apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array4_delta__different_values ... ok
[INFO] [stdout] test collections::btreemap::tests::BTreeMap__apply__same_values ... ok
[INFO] [stdout] test collections::btreemap::tests::BTreeMap__apply__different_values ... ok
[INFO] [stdout] test collections::btreemap::tests::BTreeMap__delta__different_values ... ok
[INFO] [stdout] test boxed::tests::Box__delta__same_values ... ok
[INFO] [stdout] test boxed::tests::Box__apply__same_values ... ok
[INFO] [stdout] test boxed::tests::Box__delta__different_values ... ok
[INFO] [stdout] test collections::btreeset::tests::BTreeSet__delta__different_values ... ok
[INFO] [stdout] test collections::btreemap::tests::BTreeMap__delta__same_values ... ok
[INFO] [stdout] test collections::btreeset::tests::BTreeSet__apply__same_values ... ok
[INFO] [stdout] test collections::btreeset::tests::BTreeSet__apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array1_delta__same_values ... ok
[INFO] [stdout] test collections::btreeset::tests::BTreeSet__delta__same_values ... ok
[INFO] [stdout] test collections::hashmap::tests::HashMap__apply__same_values ... ok
[INFO] [stdout] test collections::hashmap::tests::HashMap__delta__same_values ... ok
[INFO] [stdout] test collections::hashmap::tests::HashMap__apply__different_values ... ok
[INFO] [stdout] test collections::hashset::tests::HashSet__apply__different_values ... ok
[INFO] [stdout] test collections::hashmap::tests::HashMap__delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array3_delta__same_values ... ok
[INFO] [stdout] test arrays::tests::Array3_apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array4_apply__different_values ... ok
[INFO] [stdout] test arrays::tests::Array4_delta__same_values ... ok
[INFO] [stdout] test range::tests::Range__apply__different_values ... ok
[INFO] [stdout] test option::tests::Option__delta__same_values ... ok
[INFO] [stdout] test option::tests::Option__apply__same_values ... ok
[INFO] [stdout] test collections::hashset::tests::HashSet__apply__same_values ... ok
[INFO] [stdout] test collections::hashset::tests::HashSet__delta__same_values ... ok
[INFO] [stdout] test range::tests::Range__apply__same_values ... ok
[INFO] [stdout] test option::tests::Option__delta__different_values ... ok
[INFO] [stdout] test range::tests::Range__delta___different_values ... ok
[INFO] [stdout] test option::tests::Option__apply__different_values ... ok
[INFO] [stdout] test range::tests::Range__delta___same_values ... ok
[INFO] [stdout] test collections::hashset::tests::HashSet__delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array2_apply__same_values ... ok
[INFO] [stdout] test arrays::tests::Array5_delta__different_values ... ok
[INFO] [stdout] test arrays::tests::Array5_delta__same_values ... ok
[INFO] [stdout] test rc::tests::Rc__apply__different_values ... ok
[INFO] [stdout] test rc::tests::Rc__delta___different_values ... ok
[INFO] [stdout] test rc::tests::Rc__delta___same_values ... ok
[INFO] [stdout] test result::tests::Result_Ok__apply__same_values ... ok
[INFO] [stdout] test result::tests::Result_Ok__delta__different_values ... ok
[INFO] [stdout] test result::tests::Result_Ok__delta__same_values ... ok
[INFO] [stdout] test string::tests::Str__apply__different_values ... ok
[INFO] [stdout] test string::tests::Str__apply__same_values ... ok
[INFO] [stdout] test string::tests::Str__delta__different_values ... ok
[INFO] [stdout] test string::tests::String__delta__different_values ... ok
[INFO] [stdout] test result::tests::Result_Err__apply__same_values ... ok
[INFO] [stdout] test string::tests::String__apply__same_values ... ok
[INFO] [stdout] test string::tests::Str__delta__same_values ... ok
[INFO] [stdout] test result::tests::Result_Err__delta__same_values ... ok
[INFO] [stdout] test rc::tests::Rc__apply__same_values ... ok
[INFO] [stdout] test string::tests::String__apply__different_values ... ok
[INFO] [stdout] test result::tests::Result_Ok__apply__different_values ... ok
[INFO] [stdout] test result::tests::Result_Err__delta__different_values ... ok
[INFO] [stdout] test string::tests::String__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple2__apply__different_values ... ok
[INFO] [stdout] test result::tests::Result_Err__apply__different_values ... ok
[INFO] [stdout] test sync::arc::tests::Arc__delta___same_values ... ok
[INFO] [stdout] test sync::arc::tests::Arc__apply__different_values ... ok
[INFO] [stdout] test sync::rwlock::tests::RwLock__apply_different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple2__apply__same_values ... ok
[INFO] [stdout] test sync::rwlock::tests::RwLock__delta__different_values ... ok
[INFO] [stdout] test sync::rwlock::tests::RwLock__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple1__apply__different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple1__apply__same_values ... ok
[INFO] [stdout] test sync::arc::tests::Arc__delta___different_values ... ok
[INFO] [stdout] test sync::rwlock::tests::RwLock__apply_same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple2__delta__different_values ... ok
[INFO] [stdout] test sync::arc::tests::Arc__apply__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple1__delta__different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple1__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple2__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple4__apply__different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple3__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple5__apply__different_values ... ok
[INFO] [stdout] test vec::tests::Vec__delta__different_values__same_length ... ok
[INFO] [stdout] test tuple::tests::Tuple3__apply__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple4__delta__different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple5__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple5__apply__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple4__apply__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple4__delta__same_values ... ok
[INFO] [stdout] test vec::tests::Vec__apply__different_values__same_length ... ok
[INFO] [stdout] test vec::tests::Vec__delta__different_values__different_length ... ok
[INFO] [stdout] test tuple::tests::Tuple3__apply__different_values ... ok
[INFO] [stdout] test tuple::tests::Tuple3__delta__different_values ... ok
[INFO] [stdout] test vec::tests::Vec__delta__same_values ... ok
[INFO] [stdout] test tuple::tests::Tuple5__delta__different_values ... ok
[INFO] [stdout] test vec::tests::Vec__apply__different_values__different_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 107 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deltoid
[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" "76bb11bc48fceae01525b5cf71b8ea56b04aff9e3288deeb9df6f07d21e1cfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bb11bc48fceae01525b5cf71b8ea56b04aff9e3288deeb9df6f07d21e1cfdd", kill_on_drop: false }`
[INFO] [stdout] 76bb11bc48fceae01525b5cf71b8ea56b04aff9e3288deeb9df6f07d21e1cfdd