[INFO] fetching crate ossa-crdt 0.0.1...
[INFO] testing ossa-crdt-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ossa-crdt 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ossa-crdt 0.0.1
[INFO] finished tweaking crates.io crate ossa-crdt 0.0.1
[INFO] tweaked toml for crates.io crate ossa-crdt 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ossa-crdt 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ossa-crdt 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ossa-typeable v0.0.1
[INFO] [stderr]   Downloaded ossa-typeable-derive v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8ecd180e97d63783f72687c766023c2d8c8a4a6cc9a96542cf46f2b67f2f796
[INFO] running `Command { std: "docker" "start" "-a" "b8ecd180e97d63783f72687c766023c2d8c8a4a6cc9a96542cf46f2b67f2f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ecd180e97d63783f72687c766023c2d8c8a4a6cc9a96542cf46f2b67f2f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ecd180e97d63783f72687c766023c2d8c8a4a6cc9a96542cf46f2b67f2f796", kill_on_drop: false }`
[INFO] [stdout] b8ecd180e97d63783f72687c766023c2d8c8a4a6cc9a96542cf46f2b67f2f796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240d7bae351e72c2c0552bc9ae94a6e5028ca2c71185f49c7b469fb71a86a3cd
[INFO] running `Command { std: "docker" "start" "-a" "240d7bae351e72c2c0552bc9ae94a6e5028ca2c71185f49c7b469fb71a86a3cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ossa-typeable-derive v0.0.1
[INFO] [stderr]    Compiling ossa-typeable v0.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ossa-crdt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/set/orset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ord`
[INFO] [stdout]  --> src/set/orset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/set/orset.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]  --> src/set/orset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::BTreeSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Letter`, `Delete`, and `Root` are never constructed
[INFO] [stdout]   --> src/text/causal_tree.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Letter<A> {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 31 |     Letter(A),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     /// Root node. Should only be used as the initial node on creation.
[INFO] [stdout] 34 |     Root,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Letter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LamportState` is never constructed
[INFO] [stdout]   --> src/time/lamport.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct LamportState<Id>(PhantomData<Id>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "240d7bae351e72c2c0552bc9ae94a6e5028ca2c71185f49c7b469fb71a86a3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240d7bae351e72c2c0552bc9ae94a6e5028ca2c71185f49c7b469fb71a86a3cd", kill_on_drop: false }`
[INFO] [stdout] 240d7bae351e72c2c0552bc9ae94a6e5028ca2c71185f49c7b469fb71a86a3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3ba52bf09ab1e42935be4599f988052075a18e31bd3e4cef5b0ef8062b49433
[INFO] running `Command { std: "docker" "start" "-a" "c3ba52bf09ab1e42935be4599f988052075a18e31bd3e4cef5b0ef8062b49433", kill_on_drop: false }`
[INFO] [stderr]    Compiling ossa-crdt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/set/orset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ord`
[INFO] [stdout]  --> src/set/orset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/set/orset.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]  --> src/set/orset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::BTreeSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Letter`, `Delete`, and `Root` are never constructed
[INFO] [stdout]   --> src/text/causal_tree.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Letter<A> {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 31 |     Letter(A),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     /// Root node. Should only be used as the initial node on creation.
[INFO] [stdout] 34 |     Root,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Letter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LamportState` is never constructed
[INFO] [stdout]   --> src/time/lamport.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct LamportState<Id>(PhantomData<Id>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/set/orset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ord`
[INFO] [stdout]  --> src/set/orset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/set/orset.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]  --> src/set/orset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::BTreeSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Letter`, `Delete`, and `Root` are never constructed
[INFO] [stdout]   --> src/text/causal_tree.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Letter<A> {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 31 |     Letter(A),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     /// Root node. Should only be used as the initial node on creation.
[INFO] [stdout] 34 |     Root,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Letter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LamportState` is never constructed
[INFO] [stdout]   --> src/time/lamport.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct LamportState<Id>(PhantomData<Id>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "c3ba52bf09ab1e42935be4599f988052075a18e31bd3e4cef5b0ef8062b49433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ba52bf09ab1e42935be4599f988052075a18e31bd3e4cef5b0ef8062b49433", kill_on_drop: false }`
[INFO] [stdout] c3ba52bf09ab1e42935be4599f988052075a18e31bd3e4cef5b0ef8062b49433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 603dbf2e27c13677ad2bc6d1b28d30cd2ffc1ad9f06212129fcd73695088e395
[INFO] running `Command { std: "docker" "start" "-a" "603dbf2e27c13677ad2bc6d1b28d30cd2ffc1ad9f06212129fcd73695088e395", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/set/orset.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ord`
[INFO] [stderr]  --> src/set/orset.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::Ord;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeMap`
[INFO] [stderr]  --> src/set/orset.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::BTreeMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeSet`
[INFO] [stderr]  --> src/set/orset.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::BTreeSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Letter`, `Delete`, and `Root` are never constructed
[INFO] [stderr]   --> src/text/causal_tree.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | enum Letter<A> {
[INFO] [stderr]    |      ------ variants in this enum
[INFO] [stderr] 31 |     Letter(A),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 32 |     Delete,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 33 |     /// Root node. Should only be used as the initial node on creation.
[INFO] [stderr] 34 |     Root,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Letter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LamportState` is never constructed
[INFO] [stderr]   --> src/time/lamport.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct LamportState<Id>(PhantomData<Id>);
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ossa-crdt` (lib) generated 6 warnings (run `cargo fix --lib -p ossa-crdt` to apply 4 suggestions)
[INFO] [stderr] warning: `ossa-crdt` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ossa_crdt-7fda5e6595931407)
[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]    Doc-tests ossa_crdt
[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" "603dbf2e27c13677ad2bc6d1b28d30cd2ffc1ad9f06212129fcd73695088e395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603dbf2e27c13677ad2bc6d1b28d30cd2ffc1ad9f06212129fcd73695088e395", kill_on_drop: false }`
[INFO] [stdout] 603dbf2e27c13677ad2bc6d1b28d30cd2ffc1ad9f06212129fcd73695088e395