[INFO] fetching crate operational-transform 0.3.0... [INFO] checking operational-transform-0.3.0 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896 [INFO] extracting crate operational-transform 0.3.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate operational-transform 0.3.0 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate operational-transform 0.3.0 [INFO] finished tweaking crates.io crate operational-transform 0.3.0 [INFO] tweaked toml for crates.io crate operational-transform 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c0e353acf44ab0243e06468f533b0cb0b3bb67b720b05f2b99d449b3f9d33092 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "c0e353acf44ab0243e06468f533b0cb0b3bb67b720b05f2b99d449b3f9d33092"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking operational-transform v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters v0.2.14 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:376:25 [INFO] [stderr] | [INFO] [stderr] 376 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:412:25 [INFO] [stderr] | [INFO] [stderr] 412 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:433:25 [INFO] [stderr] | [INFO] [stderr] 433 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.4 [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:376:25 [INFO] [stderr] | [INFO] [stderr] 376 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:412:25 [INFO] [stderr] | [INFO] [stderr] 412 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `min` is never read [INFO] [stderr] --> src/lib.rs:433:25 [INFO] [stderr] | [INFO] [stderr] 433 | let mut min = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.61s [INFO] running `"docker" "inspect" "c0e353acf44ab0243e06468f533b0cb0b3bb67b720b05f2b99d449b3f9d33092"` [INFO] running `"docker" "rm" "-f" "c0e353acf44ab0243e06468f533b0cb0b3bb67b720b05f2b99d449b3f9d33092"` [INFO] [stdout] c0e353acf44ab0243e06468f533b0cb0b3bb67b720b05f2b99d449b3f9d33092