[INFO] fetching crate graphic 0.0.1-alpha.2...
[INFO] checking graphic-0.0.1-alpha.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate graphic 0.0.1-alpha.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate graphic 0.0.1-alpha.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphic 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate graphic 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate graphic 0.0.1-alpha.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 711ff741c56702ea48997d9b0d4ea480dae553cabd1b795143c9842e386c2378
[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" "711ff741c56702ea48997d9b0d4ea480dae553cabd1b795143c9842e386c2378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "711ff741c56702ea48997d9b0d4ea480dae553cabd1b795143c9842e386c2378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711ff741c56702ea48997d9b0d4ea480dae553cabd1b795143c9842e386c2378", kill_on_drop: false }`
[INFO] [stdout] 711ff741c56702ea48997d9b0d4ea480dae553cabd1b795143c9842e386c2378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 444848f4685838f178a030cd498c914c608e8e1cf45d4710cfa14a2a8e34f56b
[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" "444848f4685838f178a030cd498c914c608e8e1cf45d4710cfa14a2a8e34f56b", kill_on_drop: false }`
[INFO] [stderr]     Checking graphic v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:37
[INFO] [stdout]     |
[INFO] [stdout] 160 |            pre_children_visit: &mut FnMut(VertexId) -> (), post_children_visit: &mut FnMut(VertexId) -> ()) -> Result {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(VertexId) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:86
[INFO] [stdout]     |
[INFO] [stdout] 160 |            pre_children_visit: &mut FnMut(VertexId) -> (), post_children_visit: &mut FnMut(VertexId) -> ()) -> Result {
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(VertexId) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:37
[INFO] [stdout]     |
[INFO] [stdout] 160 |            pre_children_visit: &mut FnMut(VertexId) -> (), post_children_visit: &mut FnMut(VertexId) -> ()) -> Result {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(VertexId) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:86
[INFO] [stdout]     |
[INFO] [stdout] 160 |            pre_children_visit: &mut FnMut(VertexId) -> (), post_children_visit: &mut FnMut(VertexId) -> ()) -> Result {
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(VertexId) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:194:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 panic!(result)
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 panic!("{}", result)
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 std::panic::panic_any(result)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:194:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 panic!(result)
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 panic!("{}", result)
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 std::panic::panic_any(result)
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "444848f4685838f178a030cd498c914c608e8e1cf45d4710cfa14a2a8e34f56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444848f4685838f178a030cd498c914c608e8e1cf45d4710cfa14a2a8e34f56b", kill_on_drop: false }`
[INFO] [stdout] 444848f4685838f178a030cd498c914c608e8e1cf45d4710cfa14a2a8e34f56b