[INFO] fetching crate light_phylogeny 1.4.5...
[INFO] testing light_phylogeny-1.4.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate light_phylogeny 1.4.5 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate light_phylogeny 1.4.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate light_phylogeny 1.4.5
[INFO] finished tweaking crates.io crate light_phylogeny 1.4.5
[INFO] tweaked toml for crates.io crate light_phylogeny 1.4.5 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate light_phylogeny 1.4.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random_color v0.5.1
[INFO] [stderr]   Downloaded getopt v1.1.0
[INFO] [stderr]   Downloaded xmlparser v0.13.3
[INFO] [stderr]   Downloaded roxmltree v0.14.1
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded svg v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 055d2a775d5f4c5a1870e6db2bb759d74d973f97e617700968e0e816ff93917e
[INFO] running `Command { std: "docker" "start" "-a" "055d2a775d5f4c5a1870e6db2bb759d74d973f97e617700968e0e816ff93917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055d2a775d5f4c5a1870e6db2bb759d74d973f97e617700968e0e816ff93917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055d2a775d5f4c5a1870e6db2bb759d74d973f97e617700968e0e816ff93917e", kill_on_drop: false }`
[INFO] [stdout] 055d2a775d5f4c5a1870e6db2bb759d74d973f97e617700968e0e816ff93917e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dbc346a5c457591aa64918beb778781a7a563511ff12bc24a81ed8218ca046e
[INFO] running `Command { std: "docker" "start" "-a" "3dbc346a5c457591aa64918beb778781a7a563511ff12bc24a81ed8218ca046e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling getopt v1.1.0
[INFO] [stderr]    Compiling svg v0.8.2
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling random_color v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling light_phylogeny v1.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         &self.arena[idx].set_x_noref(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let _ = &self.arena[idx].set_x_noref(x);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             &self.shift_x_subtree(left, shift);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let _ = &self.shift_x_subtree(left, shift);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &self.shift_x_subtree(right, shift);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 325 |             let _ = &self.shift_x_subtree(right, shift);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "3dbc346a5c457591aa64918beb778781a7a563511ff12bc24a81ed8218ca046e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbc346a5c457591aa64918beb778781a7a563511ff12bc24a81ed8218ca046e", kill_on_drop: false }`
[INFO] [stdout] 3dbc346a5c457591aa64918beb778781a7a563511ff12bc24a81ed8218ca046e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1396b5d4b6f489e7afe639fa80d7f29295be6eb9ff9338d8f4ca2c40625f95b7
[INFO] running `Command { std: "docker" "start" "-a" "1396b5d4b6f489e7afe639fa80d7f29295be6eb9ff9338d8f4ca2c40625f95b7", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         &self.arena[idx].set_x_noref(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let _ = &self.arena[idx].set_x_noref(x);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             &self.shift_x_subtree(left, shift);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let _ = &self.shift_x_subtree(left, shift);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/arena.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &self.shift_x_subtree(right, shift);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 325 |             let _ = &self.shift_x_subtree(right, shift);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling light_phylogeny v1.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `light_phylogeny`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name read_recphyloxml_thirdlevel_5 --edition=2018 examples/read_recphyloxml_thirdlevel_5.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=59a2c80a0bf49c9d -C extra-filename=-59a2c80a0bf49c9d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-48f6f24f4e20cc3c.rlib --extern getopt=/opt/rustwide/target/debug/deps/libgetopt-75cd5183d3268912.rlib --extern light_phylogeny=/opt/rustwide/target/debug/deps/liblight_phylogeny-ef72ac9bd9f23c01.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-82c0db7e24d48d9b.rlib --extern random_color=/opt/rustwide/target/debug/deps/librandom_color-c772f6c998c54ea2.rlib --extern roxmltree=/opt/rustwide/target/debug/deps/libroxmltree-45c9101147c9f364.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-6515731ac25b217a.rlib --extern svg=/opt/rustwide/target/debug/deps/libsvg-37868c49a73b2f1c.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1396b5d4b6f489e7afe639fa80d7f29295be6eb9ff9338d8f4ca2c40625f95b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1396b5d4b6f489e7afe639fa80d7f29295be6eb9ff9338d8f4ca2c40625f95b7", kill_on_drop: false }`
[INFO] [stdout] 1396b5d4b6f489e7afe639fa80d7f29295be6eb9ff9338d8f4ca2c40625f95b7