[INFO] fetching crate sampling-tree 0.1.0...
[INFO] testing sampling-tree-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate sampling-tree 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sampling-tree 0.1.0
[INFO] finished tweaking crates.io crate sampling-tree 0.1.0
[INFO] tweaked toml for crates.io crate sampling-tree 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sampling-tree 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding human-units v0.2.0 (available: v0.5.3)
[INFO] [stderr]       Adding indicatif v0.17.11 (available: v0.18.4)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ea2ba9b1d1682448916e22cbe43124c77f90fef54ab96242442fd588991bbbf
[INFO] running `Command { std: "docker" "start" "-a" "2ea2ba9b1d1682448916e22cbe43124c77f90fef54ab96242442fd588991bbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea2ba9b1d1682448916e22cbe43124c77f90fef54ab96242442fd588991bbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea2ba9b1d1682448916e22cbe43124c77f90fef54ab96242442fd588991bbbf", kill_on_drop: false }`
[INFO] [stdout] 2ea2ba9b1d1682448916e22cbe43124c77f90fef54ab96242442fd588991bbbf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4df2a95adc11d7e616c626facca720b77bd9dc981aa07a9c3c8cb3a97c898c8
[INFO] running `Command { std: "docker" "start" "-a" "a4df2a95adc11d7e616c626facca720b77bd9dc981aa07a9c3c8cb3a97c898c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling human-units v0.2.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling sampling-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.28s
[INFO] running `Command { std: "docker" "inspect" "a4df2a95adc11d7e616c626facca720b77bd9dc981aa07a9c3c8cb3a97c898c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4df2a95adc11d7e616c626facca720b77bd9dc981aa07a9c3c8cb3a97c898c8", kill_on_drop: false }`
[INFO] [stdout] a4df2a95adc11d7e616c626facca720b77bd9dc981aa07a9c3c8cb3a97c898c8
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf340bd4d8eae015b90e30e22ee6df0f8f6c69d7b31e7a0ec0dce81afd1eb719
[INFO] running `Command { std: "docker" "start" "-a" "bf340bd4d8eae015b90e30e22ee6df0f8f6c69d7b31e7a0ec0dce81afd1eb719", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling human-units v0.2.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling sampling-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "bf340bd4d8eae015b90e30e22ee6df0f8f6c69d7b31e7a0ec0dce81afd1eb719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf340bd4d8eae015b90e30e22ee6df0f8f6c69d7b31e7a0ec0dce81afd1eb719", kill_on_drop: false }`
[INFO] [stdout] bf340bd4d8eae015b90e30e22ee6df0f8f6c69d7b31e7a0ec0dce81afd1eb719
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58ef8b511545f01df067569a1d1e925fc2fdcfb69bc89fdc6443e32b474c87ab
[INFO] running `Command { std: "docker" "start" "-a" "58ef8b511545f01df067569a1d1e925fc2fdcfb69bc89fdc6443e32b474c87ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sampling_tree-2f7502688b19599b)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests sampling_tree
[INFO] [stdout] test tests::test_throughput ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.46s
[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" "58ef8b511545f01df067569a1d1e925fc2fdcfb69bc89fdc6443e32b474c87ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ef8b511545f01df067569a1d1e925fc2fdcfb69bc89fdc6443e32b474c87ab", kill_on_drop: false }`
[INFO] [stdout] 58ef8b511545f01df067569a1d1e925fc2fdcfb69bc89fdc6443e32b474c87ab