[INFO] fetching crate graph-edge-evolution 0.1.0...
[INFO] testing graph-edge-evolution-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate graph-edge-evolution 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate graph-edge-evolution 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph-edge-evolution 0.1.0
[INFO] finished tweaking crates.io crate graph-edge-evolution 0.1.0
[INFO] tweaked toml for crates.io crate graph-edge-evolution 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 45ba3e31d262b2d1a2129be75470b9e34952fad55e7b2ef9a7873eec76024c8c
[INFO] running `Command { std: "docker" "start" "-a" "45ba3e31d262b2d1a2129be75470b9e34952fad55e7b2ef9a7873eec76024c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ba3e31d262b2d1a2129be75470b9e34952fad55e7b2ef9a7873eec76024c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ba3e31d262b2d1a2129be75470b9e34952fad55e7b2ef9a7873eec76024c8c", kill_on_drop: false }`
[INFO] [stdout] 45ba3e31d262b2d1a2129be75470b9e34952fad55e7b2ef9a7873eec76024c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35083dbfe1c6c38f53b6aedc91035ba1198e569dd72ffed9c346700c353b2d8f
[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" "35083dbfe1c6c38f53b6aedc91035ba1198e569dd72ffed9c346700c353b2d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-edge-evolution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `augmented_assignments` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(augmented_assignments)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `op_assign_traits` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(op_assign_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "35083dbfe1c6c38f53b6aedc91035ba1198e569dd72ffed9c346700c353b2d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35083dbfe1c6c38f53b6aedc91035ba1198e569dd72ffed9c346700c353b2d8f", kill_on_drop: false }`
[INFO] [stdout] 35083dbfe1c6c38f53b6aedc91035ba1198e569dd72ffed9c346700c353b2d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 2ca9b3e80a30526d2c13c31bbb38645e331fbf039d572f3c43754e91a4697b9b
[INFO] running `Command { std: "docker" "start" "-a" "2ca9b3e80a30526d2c13c31bbb38645e331fbf039d572f3c43754e91a4697b9b", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `augmented_assignments` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(augmented_assignments)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph-edge-evolution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `op_assign_traits` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(op_assign_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `augmented_assignments` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(augmented_assignments)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `op_assign_traits` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(op_assign_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "2ca9b3e80a30526d2c13c31bbb38645e331fbf039d572f3c43754e91a4697b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca9b3e80a30526d2c13c31bbb38645e331fbf039d572f3c43754e91a4697b9b", kill_on_drop: false }`
[INFO] [stdout] 2ca9b3e80a30526d2c13c31bbb38645e331fbf039d572f3c43754e91a4697b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 55c35eeb506644e6cd8efda02c8c57eb063f92e5e3ae185d8ca7fa4cdd1ce7f7
[INFO] running `Command { std: "docker" "start" "-a" "55c35eeb506644e6cd8efda02c8c57eb063f92e5e3ae185d8ca7fa4cdd1ce7f7", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `augmented_assignments` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(augmented_assignments)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `op_assign_traits` has been stable since 1.8.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(op_assign_traits)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graph-edge-evolution` (lib) generated 2 warnings
[INFO] [stderr] warning: `graph-edge-evolution` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_edge_evolution-7b8e23ab105f6d71)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_duplicate ... ok
[INFO] [stdout] test test_next ... ok
[INFO] [stdout] test test_nthedge ... ok
[INFO] [stdout] test test_reverse ... ok
[INFO] [stdout] test test_parent ... ok
[INFO] [stdout] test test_save_restore2 ... ok
[INFO] [stdout] test test_split ... ok
[INFO] [stdout] test test_save_restore ... ok
[INFO] [stdout] test test_graph_paper ... ok
[INFO] [stdout] test test_add_self_loop ... ok
[INFO] [stdout] test test_merge_self_loop2 ... ok
[INFO] [stdout] test test_update_edge_weight ... ok
[INFO] [stdout] test test_merge_self_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph-edge-evolution
[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] running `Command { std: "docker" "inspect" "55c35eeb506644e6cd8efda02c8c57eb063f92e5e3ae185d8ca7fa4cdd1ce7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c35eeb506644e6cd8efda02c8c57eb063f92e5e3ae185d8ca7fa4cdd1ce7f7", kill_on_drop: false }`
[INFO] [stdout] 55c35eeb506644e6cd8efda02c8c57eb063f92e5e3ae185d8ca7fa4cdd1ce7f7