[INFO] fetching crate rpds 0.9.0...
[INFO] checking rpds-0.9.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rpds 0.9.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rpds 0.9.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpds 0.9.0
[INFO] finished tweaking crates.io crate rpds 0.9.0
[INFO] tweaked toml for crates.io crate rpds 0.9.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1703849b6f3e428b37643eafe1877fd4954cf34aa1201d446e0ef5ae08076d3b
[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" "1703849b6f3e428b37643eafe1877fd4954cf34aa1201d446e0ef5ae08076d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1703849b6f3e428b37643eafe1877fd4954cf34aa1201d446e0ef5ae08076d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1703849b6f3e428b37643eafe1877fd4954cf34aa1201d446e0ef5ae08076d3b", kill_on_drop: false }`
[INFO] [stdout] 1703849b6f3e428b37643eafe1877fd4954cf34aa1201d446e0ef5ae08076d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3aa81397008116110f40aa19334060aec837efc971011fc887868e1f5093147
[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" "a3aa81397008116110f40aa19334060aec837efc971011fc887868e1f5093147", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rpds v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/map/red_black_tree_map/test.rs:1071:24
[INFO] [stdout]      |
[INFO] [stdout] 1071 |                   panic!(format!("Consistency error in red-black tree ({:?}).  Insertions: {:?}.  Removals: {:?}",
[INFO] [stdout]      |  ________________________^
[INFO] [stdout] 1072 | |                                error, &values_insert, &values_remove[0..=i]));
[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]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1071 |                 panic!("Consistency error in red-black tree ({:?}).  Insertions: {:?}.  Removals: {:?}",
[INFO] [stdout] 1072 |                                error, &values_insert, &values_remove[0..=i]);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "a3aa81397008116110f40aa19334060aec837efc971011fc887868e1f5093147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3aa81397008116110f40aa19334060aec837efc971011fc887868e1f5093147", kill_on_drop: false }`
[INFO] [stdout] a3aa81397008116110f40aa19334060aec837efc971011fc887868e1f5093147