[INFO] fetching crate lt-fm-index 0.3.1...
[INFO] checking lt-fm-index-0.3.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate lt-fm-index 0.3.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate lt-fm-index 0.3.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lt-fm-index 0.3.1
[INFO] finished tweaking crates.io crate lt-fm-index 0.3.1
[INFO] tweaked toml for crates.io crate lt-fm-index 0.3.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdivsufsort-rs v0.1.1
[INFO] [stderr]   Downloaded fm-index v0.1.2
[INFO] [stderr]   Downloaded fid v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d54982a9f94429cd51e0ac465a28924bc80be951657618cbeecfc6412aeacbb5
[INFO] running `Command { std: "docker" "start" "-a" "d54982a9f94429cd51e0ac465a28924bc80be951657618cbeecfc6412aeacbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54982a9f94429cd51e0ac465a28924bc80be951657618cbeecfc6412aeacbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54982a9f94429cd51e0ac465a28924bc80be951657618cbeecfc6412aeacbb5", kill_on_drop: false }`
[INFO] [stdout] d54982a9f94429cd51e0ac465a28924bc80be951657618cbeecfc6412aeacbb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d95c1abd979356083bd21097e0a3981e1f1883e7002ce3362995ff74beb58e
[INFO] running `Command { std: "docker" "start" "-a" "e0d95c1abd979356083bd21097e0a3981e1f1883e7002ce3362995ff74beb58e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling fid v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libdivsufsort-rs v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking fm-index v0.1.2
[INFO] [stderr]     Checking lt-fm-index v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/benchmark.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:212:17
[INFO] [stdout]     |
[INFO] [stdout] 212 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:299:17
[INFO] [stdout]     |
[INFO] [stdout] 299 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/benchmark.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.98s
[INFO] running `Command { std: "docker" "inspect" "e0d95c1abd979356083bd21097e0a3981e1f1883e7002ce3362995ff74beb58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d95c1abd979356083bd21097e0a3981e1f1883e7002ce3362995ff74beb58e", kill_on_drop: false }`
[INFO] [stdout] e0d95c1abd979356083bd21097e0a3981e1f1883e7002ce3362995ff74beb58e