[INFO] fetching crate edit_tree 0.2.0...
[INFO] testing edit_tree-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate edit_tree 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate edit_tree 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d589b17eaf21d0bdbed010e667bc88d230b30aa0c1387adeb3feb6c2921b5812
[INFO] running `Command { std: "docker" "start" "-a" "d589b17eaf21d0bdbed010e667bc88d230b30aa0c1387adeb3feb6c2921b5812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d589b17eaf21d0bdbed010e667bc88d230b30aa0c1387adeb3feb6c2921b5812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d589b17eaf21d0bdbed010e667bc88d230b30aa0c1387adeb3feb6c2921b5812", kill_on_drop: false }`
[INFO] [stdout] d589b17eaf21d0bdbed010e667bc88d230b30aa0c1387adeb3feb6c2921b5812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55153edb1c1fee9519e338ee0252281e0c2169a6af0563223ee3690cc927d374
[INFO] running `Command { std: "docker" "start" "-a" "55153edb1c1fee9519e338ee0252281e0c2169a6af0563223ee3690cc927d374", 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 1.04s
[INFO] running `Command { std: "docker" "inspect" "55153edb1c1fee9519e338ee0252281e0c2169a6af0563223ee3690cc927d374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55153edb1c1fee9519e338ee0252281e0c2169a6af0563223ee3690cc927d374", kill_on_drop: false }`
[INFO] [stdout] 55153edb1c1fee9519e338ee0252281e0c2169a6af0563223ee3690cc927d374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83eca2f8834d47e60f4596e95dbfdeb50b656daa5926c20fa65261a33e5e8c0e
[INFO] running `Command { std: "docker" "start" "-a" "83eca2f8834d47e60f4596e95dbfdeb50b656daa5926c20fa65261a33e5e8c0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling edit_tree v0.2.0 (/opt/rustwide/workdir)
[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 1.15s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/edit_tree-4eaa21482ce275c2)
[INFO] running `Command { std: "docker" "inspect" "83eca2f8834d47e60f4596e95dbfdeb50b656daa5926c20fa65261a33e5e8c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83eca2f8834d47e60f4596e95dbfdeb50b656daa5926c20fa65261a33e5e8c0e", kill_on_drop: false }`
[INFO] [stdout] 83eca2f8834d47e60f4596e95dbfdeb50b656daa5926c20fa65261a33e5e8c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7764a96c7d5560034c31985786a972aba79fc0192900737f34b58a9fe1c59dd4
[INFO] running `Command { std: "docker" "start" "-a" "7764a96c7d5560034c31985786a972aba79fc0192900737f34b58a9fe1c59dd4", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/edit_tree-4eaa21482ce275c2)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test edit_tree::tests::display_edit_tree ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_and_applicability ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_2 ... ok
[INFO] [stdout] test edit_tree::tests::test_graphs_inapplicable ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "7764a96c7d5560034c31985786a972aba79fc0192900737f34b58a9fe1c59dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7764a96c7d5560034c31985786a972aba79fc0192900737f34b58a9fe1c59dd4", kill_on_drop: false }`
[INFO] [stdout] 7764a96c7d5560034c31985786a972aba79fc0192900737f34b58a9fe1c59dd4