[INFO] fetching crate stringtree 0.2.0...
[INFO] checking stringtree-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate stringtree 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stringtree 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stringtree 0.2.0
[INFO] finished tweaking crates.io crate stringtree 0.2.0
[INFO] tweaked toml for crates.io crate stringtree 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ed9c43da355f8ed11c2471077eadfcddbf9af91c844f24b5353d133d57d679
[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" "53ed9c43da355f8ed11c2471077eadfcddbf9af91c844f24b5353d133d57d679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ed9c43da355f8ed11c2471077eadfcddbf9af91c844f24b5353d133d57d679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ed9c43da355f8ed11c2471077eadfcddbf9af91c844f24b5353d133d57d679", kill_on_drop: false }`
[INFO] [stdout] 53ed9c43da355f8ed11c2471077eadfcddbf9af91c844f24b5353d133d57d679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 115d93707331fd6cc0562b0fceb8e676afd7e26449142d8fc789e7905ab85455
[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" "115d93707331fd6cc0562b0fceb8e676afd7e26449142d8fc789e7905ab85455", kill_on_drop: false }`
[INFO] [stderr]     Checking stringtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl StringTree {
[INFO] [stdout]    |      ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[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:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(s: &[&StringTree]) -> StringTreeBuf {
[INFO] [stdout]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:73:44
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub type StringTreeOption<'a> = Option<&'a StringTree>;
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub type StringTreeFn = Box<Fn() -> &'static str>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> &'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl StringTree {
[INFO] [stdout]    |      ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(s: &[&StringTree]) -> StringTreeBuf {
[INFO] [stdout]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:73:44
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub type StringTreeOption<'a> = Option<&'a StringTree>;
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub type StringTreeFn = Box<Fn() -> &'static str>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> &'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let c: &StringTree = &StringTree::new(&[&"opt"]);
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn StringTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "115d93707331fd6cc0562b0fceb8e676afd7e26449142d8fc789e7905ab85455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115d93707331fd6cc0562b0fceb8e676afd7e26449142d8fc789e7905ab85455", kill_on_drop: false }`
[INFO] [stdout] 115d93707331fd6cc0562b0fceb8e676afd7e26449142d8fc789e7905ab85455