[INFO] cloning repository https://github.com/jfroy/rrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfroy/rrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1c0e33edf46dc602a1e24cb10a5dedc55d4f3de
[INFO] checking jfroy/rrt against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfroy/rrt on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jfroy/rrt
[INFO] finished tweaking git repo https://github.com/jfroy/rrt
[INFO] tweaked toml for git repo https://github.com/jfroy/rrt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jfroy/rrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded wide v0.6.4
[INFO] [stderr]   Downloaded ultraviolet v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7796f8a4e62773e364e627eab4773d652c8d369500b0735f6c4804630c0c260
[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" "d7796f8a4e62773e364e627eab4773d652c8d369500b0735f6c4804630c0c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7796f8a4e62773e364e627eab4773d652c8d369500b0735f6c4804630c0c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7796f8a4e62773e364e627eab4773d652c8d369500b0735f6c4804630c0c260", kill_on_drop: false }`
[INFO] [stdout] d7796f8a4e62773e364e627eab4773d652c8d369500b0735f6c4804630c0c260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33bef74048a2145f588c75e390cc2bed8050ead280be372a808a6b2f97b25ad4
[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" "33bef74048a2145f588c75e390cc2bed8050ead280be372a808a6b2f97b25ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking wide v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking ultraviolet v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking rrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "33bef74048a2145f588c75e390cc2bed8050ead280be372a808a6b2f97b25ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bef74048a2145f588c75e390cc2bed8050ead280be372a808a6b2f97b25ad4", kill_on_drop: false }`
[INFO] [stdout] 33bef74048a2145f588c75e390cc2bed8050ead280be372a808a6b2f97b25ad4