[INFO] fetching crate fm-index 0.1.2...
[INFO] checking fm-index-0.1.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate fm-index 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fm-index 0.1.2 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 fm-index 0.1.2
[INFO] finished tweaking crates.io crate fm-index 0.1.2
[INFO] tweaked toml for crates.io crate fm-index 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate fm-index 0.1.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.1
[INFO] [stderr]   Downloaded fid v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4900bde6b080fc73921c43efccc764f273f2435fdb6a483b2d951b01a304f8a
[INFO] running `Command { std: "docker" "start" "-a" "d4900bde6b080fc73921c43efccc764f273f2435fdb6a483b2d951b01a304f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4900bde6b080fc73921c43efccc764f273f2435fdb6a483b2d951b01a304f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4900bde6b080fc73921c43efccc764f273f2435fdb6a483b2d951b01a304f8a", kill_on_drop: false }`
[INFO] [stdout] d4900bde6b080fc73921c43efccc764f273f2435fdb6a483b2d951b01a304f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 477739d4e5956676b611d46c89a3bb785e231e521c36ac136f109c563171a733
[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" "477739d4e5956676b611d46c89a3bb785e231e521c36ac136f109c563171a733", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling fid v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking fm-index v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stdout] warning: function is never used: `binary_patterns`
[INFO] [stdout]   --> benches/common.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn binary_patterns(m: usize) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "477739d4e5956676b611d46c89a3bb785e231e521c36ac136f109c563171a733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477739d4e5956676b611d46c89a3bb785e231e521c36ac136f109c563171a733", kill_on_drop: false }`
[INFO] [stdout] 477739d4e5956676b611d46c89a3bb785e231e521c36ac136f109c563171a733