[INFO] cloning repository https://github.com/kbsymanz/maze-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbsymanz/maze-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbsymanz%2Fmaze-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbsymanz%2Fmaze-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a75cd76535d340c6bfca094cbb8801215cbe9072
[INFO] testing kbsymanz/maze-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbsymanz%2Fmaze-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbsymanz/maze-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kbsymanz/maze-rust
[INFO] finished tweaking git repo https://github.com/kbsymanz/maze-rust
[INFO] tweaked toml for git repo https://github.com/kbsymanz/maze-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kbsymanz/maze-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] af581dbb9e340561a6d362212e010758c6dd69e02f57d52fb436daf710a246db
[INFO] running `Command { std: "docker" "start" "-a" "af581dbb9e340561a6d362212e010758c6dd69e02f57d52fb436daf710a246db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af581dbb9e340561a6d362212e010758c6dd69e02f57d52fb436daf710a246db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af581dbb9e340561a6d362212e010758c6dd69e02f57d52fb436daf710a246db", kill_on_drop: false }`
[INFO] [stdout] af581dbb9e340561a6d362212e010758c6dd69e02f57d52fb436daf710a246db
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] e22c23c4e053b6655b54c0e2939986bad0393873a96c7696209c91e6788c396a
[INFO] running `Command { std: "docker" "start" "-a" "e22c23c4e053b6655b54c0e2939986bad0393873a96c7696209c91e6788c396a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling gio v0.1.2
[INFO] [stderr]    Compiling cairo-rs v0.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.2
[INFO] [stderr]    Compiling gdk v0.5.2
[INFO] [stderr]    Compiling c_vec v1.2.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling gtk v0.1.2
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling glib-sys v0.3.3
[INFO] [stderr]    Compiling gobject-sys v0.3.3
[INFO] [stderr]    Compiling gio-sys v0.3.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.3
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.3
[INFO] [stderr]    Compiling pango-sys v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling gdk-sys v0.3.3
[INFO] [stderr]    Compiling atk-sys v0.3.3
[INFO] [stderr]    Compiling gtk-sys v0.3.3
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling deflate v0.7.6
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling arrayvec v0.3.22
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling nalgebra v0.5.1
[INFO] [stdout] error[E0311]: the parameter type `K` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0311]: the parameter type `V` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttype`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e22c23c4e053b6655b54c0e2939986bad0393873a96c7696209c91e6788c396a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22c23c4e053b6655b54c0e2939986bad0393873a96c7696209c91e6788c396a", kill_on_drop: false }`
[INFO] [stdout] e22c23c4e053b6655b54c0e2939986bad0393873a96c7696209c91e6788c396a