[INFO] fetching crate changepoint 0.12.0...
[INFO] testing changepoint-0.12.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate changepoint 0.12.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate changepoint 0.12.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate changepoint 0.12.0
[INFO] finished tweaking crates.io crate changepoint 0.12.0
[INFO] tweaked toml for crates.io crate changepoint 0.12.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate changepoint 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded ndarray v0.15.1
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded nalgebra v0.25.4
[INFO] [stderr]   Downloaded assert v0.7.4
[INFO] [stderr]   Downloaded argmin v0.4.4
[INFO] [stderr]   Downloaded rv v0.12.0
[INFO] [stderr]   Downloaded slog-json v2.3.0
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5900ebc586dc6a2ec78514fa6876b752e224c0cdf1bac9bf0a3b26e4d58562b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5900ebc586dc6a2ec78514fa6876b752e224c0cdf1bac9bf0a3b26e4d58562b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5900ebc586dc6a2ec78514fa6876b752e224c0cdf1bac9bf0a3b26e4d58562b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5900ebc586dc6a2ec78514fa6876b752e224c0cdf1bac9bf0a3b26e4d58562b9", kill_on_drop: false }`
[INFO] [stdout] 5900ebc586dc6a2ec78514fa6876b752e224c0cdf1bac9bf0a3b26e4d58562b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 686d50583b144053a5ea8b7ea82082d546e3aa0a2d770dd63cf1a9f6b62f1118
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "686d50583b144053a5ea8b7ea82082d546e3aa0a2d770dd63cf1a9f6b62f1118", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lru v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling ndarray v0.15.1
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling argmin v0.4.4
[INFO] [stderr]    Compiling nalgebra v0.25.4
[INFO] [stderr]    Compiling rv v0.12.0
[INFO] [stderr]    Compiling changepoint v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "686d50583b144053a5ea8b7ea82082d546e3aa0a2d770dd63cf1a9f6b62f1118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686d50583b144053a5ea8b7ea82082d546e3aa0a2d770dd63cf1a9f6b62f1118", kill_on_drop: false }`
[INFO] [stdout] 686d50583b144053a5ea8b7ea82082d546e3aa0a2d770dd63cf1a9f6b62f1118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f8b0f17157f8bcc23de9033bcac08df6a87239e0781663912894a41441229d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f8b0f17157f8bcc23de9033bcac08df6a87239e0781663912894a41441229d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling changepoint v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "2f8b0f17157f8bcc23de9033bcac08df6a87239e0781663912894a41441229d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8b0f17157f8bcc23de9033bcac08df6a87239e0781663912894a41441229d9", kill_on_drop: false }`
[INFO] [stdout] 2f8b0f17157f8bcc23de9033bcac08df6a87239e0781663912894a41441229d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 843cda1a04c0f660e280e946992add79de27b93764ce82dc85c1939a5f290cca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "843cda1a04c0f660e280e946992add79de27b93764ce82dc85c1939a5f290cca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/changepoint-72da381bc3ffbb2d)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test gp::tests::check_truncate ... ok
[INFO] [stdout] test gp::tests::check_ar_split ... ok
[INFO] [stdout] test bocpd::tests::coal_mining_data ... ok
[INFO] [stdout] test bocpd_truncated::tests::coal_mining_data ... ok
[INFO] [stdout] test bocpd_truncated::tests::detect_obvious_switch ... ok
[INFO] [stdout] test bocpd_truncated::tests::treasury_changes ... ok
[INFO] [stdout] test bocpd::tests::detect_obvious_switch ... ok
[INFO] [stdout] test bocpd_truncated::tests::each_vec_is_a_probability_dist ... ok
[INFO] [stdout] test bocpd::tests::treasury_changes ... ok
[INFO] [stdout] test bocpd::tests::each_vec_is_a_probability_dist ... ok
[INFO] [stdout] test bocpd::tests::detect_obvious_switch_p_cp ... ok
[INFO] [stderr]    Doc-tests changepoint
[INFO] [stdout] test gp::tests::detect_obvious_switch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 21.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/bocpd_truncated.rs - bocpd_truncated::BocpdTruncated<X, Fx, Pr>::new (line 51) ... ok
[INFO] [stdout] test src/bocpd.rs - bocpd::Bocpd<X, Fx, Pr>::new (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "843cda1a04c0f660e280e946992add79de27b93764ce82dc85c1939a5f290cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843cda1a04c0f660e280e946992add79de27b93764ce82dc85c1939a5f290cca", kill_on_drop: false }`
[INFO] [stdout] 843cda1a04c0f660e280e946992add79de27b93764ce82dc85c1939a5f290cca