[INFO] fetching crate rv 0.10.2...
[INFO] checking rv-0.10.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate rv 0.10.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rv 0.10.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rv 0.10.2
[INFO] finished tweaking crates.io crate rv 0.10.2
[INFO] tweaked toml for crates.io crate rv 0.10.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rv 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d69bcf661ecae70d8c6481974f285213bd887c1a712f6766f96e7d2d97d77c4e
[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" "d69bcf661ecae70d8c6481974f285213bd887c1a712f6766f96e7d2d97d77c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69bcf661ecae70d8c6481974f285213bd887c1a712f6766f96e7d2d97d77c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69bcf661ecae70d8c6481974f285213bd887c1a712f6766f96e7d2d97d77c4e", kill_on_drop: false }`
[INFO] [stdout] d69bcf661ecae70d8c6481974f285213bd887c1a712f6766f96e7d2d97d77c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 2bb69f21cc71eac94ced77eff8079156654d4c6bbc7a3e68018cd4c823266774
[INFO] running `Command { std: "docker" "start" "-a" "2bb69f21cc71eac94ced77eff8079156654d4c6bbc7a3e68018cd4c823266774", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking rv v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Beta`: moved to rand_distr crate
[INFO] [stdout]  --> benches/beta.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::distributions::Beta;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Beta`: moved to rand_distr crate
[INFO] [stdout]   --> benches/beta.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let beta = Beta::new(5.0, 2.0);
[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 1m 30s
[INFO] running `Command { std: "docker" "inspect" "2bb69f21cc71eac94ced77eff8079156654d4c6bbc7a3e68018cd4c823266774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb69f21cc71eac94ced77eff8079156654d4c6bbc7a3e68018cd4c823266774", kill_on_drop: false }`
[INFO] [stdout] 2bb69f21cc71eac94ced77eff8079156654d4c6bbc7a3e68018cd4c823266774