[INFO] fetching crate operational-transform 0.2.0...
[INFO] checking operational-transform-0.2.0 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate operational-transform 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate operational-transform 0.2.0 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate operational-transform 0.2.0
[INFO] finished tweaking crates.io crate operational-transform 0.2.0
[INFO] tweaked toml for crates.io crate operational-transform 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd8229744a1e02a2dfd70201ff308c5cf4519099ba090f21d7a8dd41735a14bb
[INFO] running `"docker" "start" "-a" "fd8229744a1e02a2dfd70201ff308c5cf4519099ba090f21d7a8dd41735a14bb"`
[INFO] [stderr]     Checking operational-transform v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr] warning: value assigned to `min` is never read
[INFO] [stderr]    --> src/lib.rs:376:29
[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:412:29
[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:433:29
[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 criterion v0.3.1
[INFO] [stderr] warning: value assigned to `min` is never read
[INFO] [stderr]    --> src/lib.rs:376:29
[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:412:29
[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:433:29
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `"docker" "inspect" "fd8229744a1e02a2dfd70201ff308c5cf4519099ba090f21d7a8dd41735a14bb"`
[INFO] running `"docker" "rm" "-f" "fd8229744a1e02a2dfd70201ff308c5cf4519099ba090f21d7a8dd41735a14bb"`
[INFO] [stdout] fd8229744a1e02a2dfd70201ff308c5cf4519099ba090f21d7a8dd41735a14bb