[INFO] fetching crate tskit 0.15.0-alpha.0...
[INFO] checking tskit-0.15.0-alpha.0 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate tskit 0.15.0-alpha.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tskit 0.15.0-alpha.0 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tskit 0.15.0-alpha.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tskit 0.15.0-alpha.0
[INFO] tweaked toml for crates.io crate tskit 0.15.0-alpha.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tskit 0.15.0-alpha.0 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] [stderr]   Downloaded delegate v0.12.0
[INFO] [stderr]   Downloaded prettyplease v0.2.17
[INFO] [stderr]   Downloaded tskit-derive v0.2.0
[INFO] [stderr]   Downloaded serde-pickle v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d99f84b602b33a90c43f1cff5669fc4e8a05964a4792022e7e357dec8a840eff
[INFO] running `Command { std: "docker" "start" "-a" "d99f84b602b33a90c43f1cff5669fc4e8a05964a4792022e7e357dec8a840eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99f84b602b33a90c43f1cff5669fc4e8a05964a4792022e7e357dec8a840eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99f84b602b33a90c43f1cff5669fc4e8a05964a4792022e7e357dec8a840eff", kill_on_drop: false }`
[INFO] [stdout] d99f84b602b33a90c43f1cff5669fc4e8a05964a4792022e7e357dec8a840eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08437ad8a916f6b8c818d7eb77bfc30a83c61606347116155027884fb5183d68
[INFO] running `Command { std: "docker" "start" "-a" "08437ad8a916f6b8c818d7eb77bfc30a83c61606347116155027884fb5183d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling delegate v0.12.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling tskit v0.15.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde-pickle v1.1.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.00s
[INFO] running `Command { std: "docker" "inspect" "08437ad8a916f6b8c818d7eb77bfc30a83c61606347116155027884fb5183d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08437ad8a916f6b8c818d7eb77bfc30a83c61606347116155027884fb5183d68", kill_on_drop: false }`
[INFO] [stdout] 08437ad8a916f6b8c818d7eb77bfc30a83c61606347116155027884fb5183d68
[INFO] checking tskit-0.15.0-alpha.0 against try#519d6e23a6cb73c4d0f295f71ad37db8e95c54ab for pr-125384-2
[INFO] extracting crate tskit 0.15.0-alpha.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tskit 0.15.0-alpha.0 on toolchain 519d6e23a6cb73c4d0f295f71ad37db8e95c54ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tskit 0.15.0-alpha.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tskit 0.15.0-alpha.0
[INFO] tweaked toml for crates.io crate tskit 0.15.0-alpha.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tskit 0.15.0-alpha.0 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" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 469b88a875c735f483974ddd00a12d65405f50523248fa393459fd37ddba0d38
[INFO] running `Command { std: "docker" "start" "-a" "469b88a875c735f483974ddd00a12d65405f50523248fa393459fd37ddba0d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "469b88a875c735f483974ddd00a12d65405f50523248fa393459fd37ddba0d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469b88a875c735f483974ddd00a12d65405f50523248fa393459fd37ddba0d38", kill_on_drop: false }`
[INFO] [stdout] 469b88a875c735f483974ddd00a12d65405f50523248fa393459fd37ddba0d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49b1cf30f0415aca6a368ec9a2dc070921c5ae891f7d01055a95eeddf1bd482
[INFO] running `Command { std: "docker" "start" "-a" "a49b1cf30f0415aca6a368ec9a2dc070921c5ae891f7d01055a95eeddf1bd482", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]        Fixed Cargo.toml (5 fixes)
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling delegate v0.12.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling tskit v0.15.0-alpha.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2021 edition to 2024
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-pickle v1.1.1
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/sys/node_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/table_collection.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/individual_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/mutation_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/edge_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/migration_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/site_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/macros.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/population_table.rs (1 fix)
[INFO] [stderr]        Fixed src/sys/tskbox.rs (1 fix)
[INFO] [stderr]    Migrating tests/book_trees.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/book_table_collection.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/tree_traversals.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/haploid_wright_fisher.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/example_flags.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_trees.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/book_metadata.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_metadata.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_id_types.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/experimental.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_tables.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.82s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]    Compiling tskit v0.15.0-alpha.0 (/tmp/fixit)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "a49b1cf30f0415aca6a368ec9a2dc070921c5ae891f7d01055a95eeddf1bd482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49b1cf30f0415aca6a368ec9a2dc070921c5ae891f7d01055a95eeddf1bd482", kill_on_drop: false }`
[INFO] [stdout] a49b1cf30f0415aca6a368ec9a2dc070921c5ae891f7d01055a95eeddf1bd482