[INFO] fetching crate angle 0.4.0...
[INFO] checking angle-0.4.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate angle 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate angle 0.4.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate angle 0.4.0
[INFO] finished tweaking crates.io crate angle 0.4.0
[INFO] tweaked toml for crates.io crate angle 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31dc8f906ba8603d9f088739b9ce1ab4701d9e3796c2c4f613af743cf09299e8
[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" "31dc8f906ba8603d9f088739b9ce1ab4701d9e3796c2c4f613af743cf09299e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31dc8f906ba8603d9f088739b9ce1ab4701d9e3796c2c4f613af743cf09299e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31dc8f906ba8603d9f088739b9ce1ab4701d9e3796c2c4f613af743cf09299e8", kill_on_drop: false }`
[INFO] [stdout] 31dc8f906ba8603d9f088739b9ce1ab4701d9e3796c2c4f613af743cf09299e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a85448e0b85997be09906f37632695fc37c6b6db64ee7f88ed0b8df977e4ce0
[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" "0a85448e0b85997be09906f37632695fc37c6b6db64ee7f88ed0b8df977e4ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking angle v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains unused formatting placeholders
[INFO] [stdout]    --> src/lib.rs:690:20
[INFO] [stdout]     |
[INFO] [stdout] 690 |     assert!(_20>_370,"{:?} shold be > {:?}");
[INFO] [stdout]     |                       ^^^^            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing arguments
[INFO] [stdout]     |
[INFO] [stdout] 690 |     assert!(_20>_370,"{:?} shold be > {:?}", ...);
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 690 |     assert!(_20>_370,"{}", "{:?} shold be > {:?}");
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains unused formatting placeholders
[INFO] [stdout]    --> src/lib.rs:691:20
[INFO] [stdout]     |
[INFO] [stdout] 691 |     assert!(_370<_20,"{:?} shold be > {:?}");
[INFO] [stdout]     |                       ^^^^            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing arguments
[INFO] [stdout]     |
[INFO] [stdout] 691 |     assert!(_370<_20,"{:?} shold be > {:?}", ...);
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 691 |     assert!(_370<_20,"{}", "{:?} shold be > {:?}");
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.45s
[INFO] running `Command { std: "docker" "inspect" "0a85448e0b85997be09906f37632695fc37c6b6db64ee7f88ed0b8df977e4ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a85448e0b85997be09906f37632695fc37c6b6db64ee7f88ed0b8df977e4ce0", kill_on_drop: false }`
[INFO] [stdout] 0a85448e0b85997be09906f37632695fc37c6b6db64ee7f88ed0b8df977e4ce0