[INFO] fetching crate ramp 0.5.9...
[INFO] checking ramp-0.5.9 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate ramp 0.5.9 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ramp 0.5.9 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ramp 0.5.9
[INFO] finished tweaking crates.io crate ramp 0.5.9
[INFO] tweaked toml for crates.io crate ramp 0.5.9 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ramp 0.5.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-gmp v0.2.10
[INFO] [stderr]   Downloaded ieee754 v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3273d64a2bac99e3aaadfc840a2b1e567250c201b05992a664e180b2b0660bf3
[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" "3273d64a2bac99e3aaadfc840a2b1e567250c201b05992a664e180b2b0660bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3273d64a2bac99e3aaadfc840a2b1e567250c201b05992a664e180b2b0660bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3273d64a2bac99e3aaadfc840a2b1e567250c201b05992a664e180b2b0660bf3", kill_on_drop: false }`
[INFO] [stdout] 3273d64a2bac99e3aaadfc840a2b1e567250c201b05992a664e180b2b0660bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6003219d7de9ba873568a0feb2a7b4e4b0d89d4d4df100745ee123beb3522b05
[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" "6003219d7de9ba873568a0feb2a7b4e4b0d89d4d4df100745ee123beb3522b05", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking ieee754 v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking rand v0.4.1
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking quickcheck v0.6.0
[INFO] [stderr]    Compiling ramp v0.5.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> tests/quickcheck.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     11 ..= 100 => 5,
[INFO] [stdout]     |                     ---------- this range overlaps on `100_usize`
[INFO] [stdout] 152 |                     100 ..= 1000 => 25,
[INFO] [stdout]     |                     ^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "6003219d7de9ba873568a0feb2a7b4e4b0d89d4d4df100745ee123beb3522b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6003219d7de9ba873568a0feb2a7b4e4b0d89d4d4df100745ee123beb3522b05", kill_on_drop: false }`
[INFO] [stdout] 6003219d7de9ba873568a0feb2a7b4e4b0d89d4d4df100745ee123beb3522b05