[INFO] crate operational-transform 0.3.0 is already in cache
[INFO] testing operational-transform-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate operational-transform 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate operational-transform 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ba1d62521e310a82d2f4b5a499cb28401d18e61f0a2f2fd3af774b21ddb4631
[INFO] running `"docker" "start" "-a" "6ba1d62521e310a82d2f4b5a499cb28401d18e61f0a2f2fd3af774b21ddb4631"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling operational-transform v0.3.0 (/opt/rustwide/workdir)
[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 0.79s
[INFO] running `"docker" "inspect" "6ba1d62521e310a82d2f4b5a499cb28401d18e61f0a2f2fd3af774b21ddb4631"`
[INFO] running `"docker" "rm" "-f" "6ba1d62521e310a82d2f4b5a499cb28401d18e61f0a2f2fd3af774b21ddb4631"`
[INFO] [stdout] 6ba1d62521e310a82d2f4b5a499cb28401d18e61f0a2f2fd3af774b21ddb4631
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72c6b1309f3cab1bea0470821dd3b878f39851c3c9cc98c78b3e4e7c54cb9c8a
[INFO] running `"docker" "start" "-a" "72c6b1309f3cab1bea0470821dd3b878f39851c3c9cc98c78b3e4e7c54cb9c8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    Compiling operational-transform v0.3.0 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "72c6b1309f3cab1bea0470821dd3b878f39851c3c9cc98c78b3e4e7c54cb9c8a"`
[INFO] running `"docker" "rm" "-f" "72c6b1309f3cab1bea0470821dd3b878f39851c3c9cc98c78b3e4e7c54cb9c8a"`
[INFO] [stdout] 72c6b1309f3cab1bea0470821dd3b878f39851c3c9cc98c78b3e4e7c54cb9c8a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74cb394e1f46c78c0c46ccb4abdbc4bb4672fb824889e8f777a503a9a1d46fc3
[INFO] running `"docker" "start" "-a" "74cb394e1f46c78c0c46ccb4abdbc4bb4672fb824889e8f777a503a9a1d46fc3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] 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 test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/operational_transform-70dda1962051a77f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_ops ... ok
[INFO] [stdout] test tests::is_noop ... ok
[INFO] [stdout] test tests::ops_merging ... ok
[INFO] [stdout] test tests::sequence ... ok
[INFO] [stdout] test tests::lengths ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::transform ... ok
[INFO] [stdout] test tests::compose ... ok
[INFO] [stdout] test tests::apply ... ok
[INFO] [stdout] test tests::invert ... ok
[INFO] [stderr]    Doc-tests operational-transform
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 74) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] test src/lib.rs -  (line 35) ... ok
[INFO] [stdout] test src/lib.rs -  (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74cb394e1f46c78c0c46ccb4abdbc4bb4672fb824889e8f777a503a9a1d46fc3"`
[INFO] running `"docker" "rm" "-f" "74cb394e1f46c78c0c46ccb4abdbc4bb4672fb824889e8f777a503a9a1d46fc3"`
[INFO] [stdout] 74cb394e1f46c78c0c46ccb4abdbc4bb4672fb824889e8f777a503a9a1d46fc3