[INFO] fetching crate graphic 0.0.1-alpha.2...
[INFO] checking graphic-0.0.1-alpha.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate graphic 0.0.1-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graphic 0.0.1-alpha.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 87d6f80baaadfe5133403f1172d82a0270bc63df52db31209e86416c9f2da095
[INFO] running `Command { std: "docker" "start" "-a" "87d6f80baaadfe5133403f1172d82a0270bc63df52db31209e86416c9f2da095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d6f80baaadfe5133403f1172d82a0270bc63df52db31209e86416c9f2da095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d6f80baaadfe5133403f1172d82a0270bc63df52db31209e86416c9f2da095", kill_on_drop: false }`
[INFO] [stdout] 87d6f80baaadfe5133403f1172d82a0270bc63df52db31209e86416c9f2da095
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--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] 4e94b3f4f3f35f540f961e21c6bef5f826ca684a1f5be90fa6e1e25260842c39
[INFO] running `Command { std: "docker" "start" "-a" "4e94b3f4f3f35f540f961e21c6bef5f826ca684a1f5be90fa6e1e25260842c39", 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] 
[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] 
[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] 
[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] 
[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_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "4e94b3f4f3f35f540f961e21c6bef5f826ca684a1f5be90fa6e1e25260842c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e94b3f4f3f35f540f961e21c6bef5f826ca684a1f5be90fa6e1e25260842c39", kill_on_drop: false }`
[INFO] [stdout] 4e94b3f4f3f35f540f961e21c6bef5f826ca684a1f5be90fa6e1e25260842c39