[INFO] fetching crate merklemountainrange 0.0.1...
[INFO] testing merklemountainrange-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate merklemountainrange 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate merklemountainrange 0.0.1
[INFO] finished tweaking crates.io crate merklemountainrange 0.0.1
[INFO] tweaked toml for crates.io crate merklemountainrange 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merklemountainrange 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding blake2 v0.8.1 (available: v0.10.6)
[INFO] [stderr]       Adding derive-error v0.0.4 (available: v0.0.5)
[INFO] [stderr]       Adding digest v0.8.1 (available: v0.10.7)
[INFO] [stderr]       Adding tari_utilities v0.0.1 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded derive-error v0.0.4
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded tari_utilities v0.0.1
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bb83eaef761576a77147815e8ab5756806af85d7aba221565c3b2a1d88304e7
[INFO] running `Command { std: "docker" "start" "-a" "5bb83eaef761576a77147815e8ab5756806af85d7aba221565c3b2a1d88304e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb83eaef761576a77147815e8ab5756806af85d7aba221565c3b2a1d88304e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb83eaef761576a77147815e8ab5756806af85d7aba221565c3b2a1d88304e7", kill_on_drop: false }`
[INFO] [stdout] 5bb83eaef761576a77147815e8ab5756806af85d7aba221565c3b2a1d88304e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14994b17068f2ed49ea0be05a20a5e226d7ae00b0a143e9665dc456a108071bc
[INFO] running `Command { std: "docker" "start" "-a" "14994b17068f2ed49ea0be05a20a5e226d7ae00b0a143e9665dc456a108071bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]    Compiling tari_utilities v0.0.1
[INFO] [stderr]    Compiling merklemountainrange v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "14994b17068f2ed49ea0be05a20a5e226d7ae00b0a143e9665dc456a108071bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14994b17068f2ed49ea0be05a20a5e226d7ae00b0a143e9665dc456a108071bc", kill_on_drop: false }`
[INFO] [stdout] 14994b17068f2ed49ea0be05a20a5e226d7ae00b0a143e9665dc456a108071bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98365d68cdf656e9207e29ac8a6bb665171580ccb6f16075e0ebd72092afb925
[INFO] running `Command { std: "docker" "start" "-a" "98365d68cdf656e9207e29ac8a6bb665171580ccb6f16075e0ebd72092afb925", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling merklemountainrange v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hasher` is never read
[INFO] [stdout]   --> tests/support/testobject.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TestObject<D: Digest> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 28 |     pub id: String,
[INFO] [stdout] 29 |     pub hasher: D,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "98365d68cdf656e9207e29ac8a6bb665171580ccb6f16075e0ebd72092afb925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98365d68cdf656e9207e29ac8a6bb665171580ccb6f16075e0ebd72092afb925", kill_on_drop: false }`
[INFO] [stdout] 98365d68cdf656e9207e29ac8a6bb665171580ccb6f16075e0ebd72092afb925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 600c76d1703bd2d99c9444f801f3f05bf9b4374a2d37dc4cfdb495e9083cda81
[INFO] running `Command { std: "docker" "start" "-a" "600c76d1703bd2d99c9444f801f3f05bf9b4374a2d37dc4cfdb495e9083cda81", kill_on_drop: false }`
[INFO] [stderr] warning: field `hasher` is never read
[INFO] [stderr]   --> tests/support/testobject.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct TestObject<D: Digest> {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 28 |     pub id: String,
[INFO] [stderr] 29 |     pub hasher: D,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `merklemountainrange` (test "mod") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merklemountainrange-36fa354e09722c3f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-8e37e71f06aca6cf)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test unit::mmr::test_node_sides ... ok
[INFO] [stdout] test unit::mmr::create_mmr_with_2_peaks ... ok
[INFO] [stdout] test unit::mmr::test_node_heights ... ok
[INFO] [stdout] test unit::mmr::create_small_mmr ... ok
[INFO] [stdout] test unit::mmr::mmr_with_3_peaks ... ok
[INFO] [stdout] test unit::mmr::mmr_with_4_peaks ... ok
[INFO] [stdout] test unit::mmr::very_large_mmr ... ok
[INFO] [stderr]    Doc-tests merklemountainrange
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "600c76d1703bd2d99c9444f801f3f05bf9b4374a2d37dc4cfdb495e9083cda81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600c76d1703bd2d99c9444f801f3f05bf9b4374a2d37dc4cfdb495e9083cda81", kill_on_drop: false }`
[INFO] [stdout] 600c76d1703bd2d99c9444f801f3f05bf9b4374a2d37dc4cfdb495e9083cda81