[INFO] crate rundo 0.4.0 is already in cache
[INFO] testing rundo-0.4.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rundo 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rundo 0.4.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rundo 0.4.0
[INFO] finished tweaking crates.io crate rundo 0.4.0
[INFO] tweaked toml for crates.io crate rundo 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7b0f71e816c80d205a5468010cd9ae91cf18afb37e64f22671910c7c81fc597
[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" "c7b0f71e816c80d205a5468010cd9ae91cf18afb37e64f22671910c7c81fc597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b0f71e816c80d205a5468010cd9ae91cf18afb37e64f22671910c7c81fc597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b0f71e816c80d205a5468010cd9ae91cf18afb37e64f22671910c7c81fc597", kill_on_drop: false }`
[INFO] [stdout] c7b0f71e816c80d205a5468010cd9ae91cf18afb37e64f22671910c7c81fc597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66fb047b4e5172be04994add9657411b3e44d6cf87efd78eb1add114b84ebd9
[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" "e66fb047b4e5172be04994add9657411b3e44d6cf87efd78eb1add114b84ebd9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling rundo_types v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling bson v0.11.1
[INFO] [stderr]    Compiling rundo_attrs v0.4.0
[INFO] [stderr]    Compiling rundo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | #![feature(proc_macro)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.60s
[INFO] running `Command { std: "docker" "inspect" "e66fb047b4e5172be04994add9657411b3e44d6cf87efd78eb1add114b84ebd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66fb047b4e5172be04994add9657411b3e44d6cf87efd78eb1add114b84ebd9", kill_on_drop: false }`
[INFO] [stdout] e66fb047b4e5172be04994add9657411b3e44d6cf87efd78eb1add114b84ebd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] b8f6c71909de175a8c906449286889bafe3b3993b990ced0e7badd46bd205051
[INFO] running `Command { std: "docker" "start" "-a" "b8f6c71909de175a8c906449286889bafe3b3993b990ced0e7badd46bd205051", kill_on_drop: false }`
[INFO] [stderr]    Compiling rundo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | #![feature(proc_macro)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | #![feature(proc_macro)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "b8f6c71909de175a8c906449286889bafe3b3993b990ced0e7badd46bd205051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f6c71909de175a8c906449286889bafe3b3993b990ced0e7badd46bd205051", kill_on_drop: false }`
[INFO] [stdout] b8f6c71909de175a8c906449286889bafe3b3993b990ced0e7badd46bd205051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a63f3602d6f0cb698237be295e1a6984b89da22206dd8038b13f2cb2ccc71233
[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" "a63f3602d6f0cb698237be295e1a6984b89da22206dd8038b13f2cb2ccc71233", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> src/lib.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 | #![feature(proc_macro)]
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> src/lib.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 | #![feature(proc_macro)]
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused attribute
[INFO] [stdout] running 8 tests
[INFO] [stderr]  --> src/test.rs:2:1
[INFO] [stdout] test test::test::nest_batch ... ok
[INFO] [stderr]   |
[INFO] [stdout] test test::test::top_ver ... ok
[INFO] [stderr] 2 | #![feature(decl_macro)]
[INFO] [stdout] test test::test::undo_redo ... ok
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/test.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(decl_macro)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rundo-861ca730c0480524
[INFO] [stdout] test test::test::rollback ... ok
[INFO] [stdout] test test::test::stack_len ... ok
[INFO] [stderr]    Doc-tests rundo
[INFO] [stdout] test test::test::stack_overwrite ... ok
[INFO] [stdout] test test::test::next_ver ... ok
[INFO] [stdout] test test::test::skip_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 52) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 181) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 106) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 8) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 142) ... ok
[INFO] [stdout] test src/lib.rs - rundo_attrs (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a63f3602d6f0cb698237be295e1a6984b89da22206dd8038b13f2cb2ccc71233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63f3602d6f0cb698237be295e1a6984b89da22206dd8038b13f2cb2ccc71233", kill_on_drop: false }`
[INFO] [stdout] a63f3602d6f0cb698237be295e1a6984b89da22206dd8038b13f2cb2ccc71233