[INFO] fetching crate edit_tree 0.2.0...
[INFO] testing edit_tree-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate edit_tree 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate edit_tree 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate edit_tree 0.2.0
[INFO] finished tweaking crates.io crate edit_tree 0.2.0
[INFO] tweaked toml for crates.io crate edit_tree 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b57d7cdb1e682bc8c465edc0a448d9905704e2f8424460066c8ad01dd4a3da4
[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" "6b57d7cdb1e682bc8c465edc0a448d9905704e2f8424460066c8ad01dd4a3da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b57d7cdb1e682bc8c465edc0a448d9905704e2f8424460066c8ad01dd4a3da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b57d7cdb1e682bc8c465edc0a448d9905704e2f8424460066c8ad01dd4a3da4", kill_on_drop: false }`
[INFO] [stdout] 6b57d7cdb1e682bc8c465edc0a448d9905704e2f8424460066c8ad01dd4a3da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d984d234600be76e226688fa268dbbfd216c2fbc45b59292ea3c23d72ab34122
[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" "d984d234600be76e226688fa268dbbfd216c2fbc45b59292ea3c23d72ab34122", kill_on_drop: false }`
[INFO] [stderr]    Compiling seqalign v0.2.2
[INFO] [stderr]    Compiling edit_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/edit_tree.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout]    |                               ^^              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout] 14 +     static ref MEASURE: LCS = LCS::new(1, 1);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "d984d234600be76e226688fa268dbbfd216c2fbc45b59292ea3c23d72ab34122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d984d234600be76e226688fa268dbbfd216c2fbc45b59292ea3c23d72ab34122", kill_on_drop: false }`
[INFO] [stdout] d984d234600be76e226688fa268dbbfd216c2fbc45b59292ea3c23d72ab34122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f68b6031878ea19c2c5a99561ed0dd401ecdce1d4884fb52428b35ffe3d8e2a1
[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" "f68b6031878ea19c2c5a99561ed0dd401ecdce1d4884fb52428b35ffe3d8e2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling edit_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/edit_tree.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout]    |                               ^^              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout] 14 +     static ref MEASURE: LCS = LCS::new(1, 1);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/edit_tree.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout]    |                               ^^              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stdout] 14 +     static ref MEASURE: LCS = LCS::new(1, 1);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "f68b6031878ea19c2c5a99561ed0dd401ecdce1d4884fb52428b35ffe3d8e2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68b6031878ea19c2c5a99561ed0dd401ecdce1d4884fb52428b35ffe3d8e2a1", kill_on_drop: false }`
[INFO] [stdout] f68b6031878ea19c2c5a99561ed0dd401ecdce1d4884fb52428b35ffe3d8e2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] af94749fad5b0a7109e122e33d52e4b5ac99525fe6acb8c8fa37ecbdeba2bcde
[INFO] running `Command { std: "docker" "start" "-a" "af94749fad5b0a7109e122e33d52e4b5ac99525fe6acb8c8fa37ecbdeba2bcde", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stdout] running 6 tests
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr] 14 +     static ref MEASURE: LCS = LCS::new(1, 1);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `edit_tree` (lib) generated 1 warning
[INFO] [stderr] warning: `edit_tree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/edit_tree-13b2983e786e8592)
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_3 ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_2 ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_and_applicability ... ok
[INFO] [stdout] test edit_tree::tests::display_edit_tree ... ok
[INFO] [stdout] test edit_tree::tests::test_graphs_inapplicable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests edit_tree
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr] 14 +     static ref MEASURE: LCS = LCS::new(1, 1);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "af94749fad5b0a7109e122e33d52e4b5ac99525fe6acb8c8fa37ecbdeba2bcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af94749fad5b0a7109e122e33d52e4b5ac99525fe6acb8c8fa37ecbdeba2bcde", kill_on_drop: false }`
[INFO] [stdout] af94749fad5b0a7109e122e33d52e4b5ac99525fe6acb8c8fa37ecbdeba2bcde