[INFO] cloning repository https://github.com/samsieber/igloo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samsieber/igloo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Figloo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Figloo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 608a756b59d704803c08b5b71cd796a8278abded
[INFO] checking samsieber/igloo against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Figloo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samsieber/igloo on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samsieber/igloo
[INFO] finished tweaking git repo https://github.com/samsieber/igloo
[INFO] tweaked toml for git repo https://github.com/samsieber/igloo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/samsieber/igloo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v0.2.5
[INFO] [stderr]   Downloaded serde_derive v1.0.74
[INFO] [stderr]   Downloaded miow v0.3.2
[INFO] [stderr]   Downloaded compiletest_rs v0.3.14
[INFO] [stderr]   Downloaded serde v1.0.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7c6e2d15c8b1d6921e4ee6d7b9052e8f6fac481b7483b7faf96a2539d88909
[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" "aa7c6e2d15c8b1d6921e4ee6d7b9052e8f6fac481b7483b7faf96a2539d88909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7c6e2d15c8b1d6921e4ee6d7b9052e8f6fac481b7483b7faf96a2539d88909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7c6e2d15c8b1d6921e4ee6d7b9052e8f6fac481b7483b7faf96a2539d88909", kill_on_drop: false }`
[INFO] [stdout] aa7c6e2d15c8b1d6921e4ee6d7b9052e8f6fac481b7483b7faf96a2539d88909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 141d77117d1193c25a62551b1cab1c3bc32d0b1caeb72bf157b16bad1b100504
[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" "141d77117d1193c25a62551b1cab1c3bc32d0b1caeb72bf157b16bad1b100504", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking iceblock v0.1.0 (/opt/rustwide/workdir/iceblock)
[INFO] [stderr]    Compiling serde v1.0.74
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling compiletest_rs v0.3.14
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]    --> iceblock/src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | use std::ops::Range;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub renderer: Box<Component<Render, Node, Diff>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Component<Render, Node, Diff>`
[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]    --> iceblock/src/lib.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:195:34
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     let res: Box<Component<Render, Node, Diff>> = Box::new(def_new_renderer);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Component<Render, Node, Diff>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:319:34
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]    --> iceblock/src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | use std::ops::Range;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub renderer: Box<Component<Render, Node, Diff>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Component<Render, Node, Diff>`
[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]    --> iceblock/src/lib.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:195:34
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     let res: Box<Component<Render, Node, Diff>> = Box::new(def_new_renderer);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Component<Render, Node, Diff>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iceblock/src/lib.rs:319:34
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2`
[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] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "141d77117d1193c25a62551b1cab1c3bc32d0b1caeb72bf157b16bad1b100504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141d77117d1193c25a62551b1cab1c3bc32d0b1caeb72bf157b16bad1b100504", kill_on_drop: false }`
[INFO] [stdout] 141d77117d1193c25a62551b1cab1c3bc32d0b1caeb72bf157b16bad1b100504