[INFO] fetching crate freude 0.7.0...
[INFO] testing freude-0.7.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate freude 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate freude 0.7.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freude 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate freude 0.7.0
[INFO] tweaked toml for crates.io crate freude 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb6ed80c1b69d67a1c7240f3eeeaaeb0d9754df4d0ac2097dc3eb1c682b3e7e
[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" "7fb6ed80c1b69d67a1c7240f3eeeaaeb0d9754df4d0ac2097dc3eb1c682b3e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb6ed80c1b69d67a1c7240f3eeeaaeb0d9754df4d0ac2097dc3eb1c682b3e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb6ed80c1b69d67a1c7240f3eeeaaeb0d9754df4d0ac2097dc3eb1c682b3e7e", kill_on_drop: false }`
[INFO] [stdout] 7fb6ed80c1b69d67a1c7240f3eeeaaeb0d9754df4d0ac2097dc3eb1c682b3e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e86a98379ace7578ea50be59bfd8f501847a86f2431799167497bd922e580c5
[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" "7e86a98379ace7578ea50be59bfd8f501847a86f2431799167497bd922e580c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling freude v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "7e86a98379ace7578ea50be59bfd8f501847a86f2431799167497bd922e580c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e86a98379ace7578ea50be59bfd8f501847a86f2431799167497bd922e580c5", kill_on_drop: false }`
[INFO] [stdout] 7e86a98379ace7578ea50be59bfd8f501847a86f2431799167497bd922e580c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e495970234e1b26a584919d5c3f02a5cfac9c7057e170943c89d5ebca54c50ba
[INFO] running `Command { std: "docker" "start" "-a" "e495970234e1b26a584919d5c3f02a5cfac9c7057e170943c89d5ebca54c50ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `openblas-src v0.6.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/openblas-src-9321f3f2ee47a356/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Running: `"cp" "-R" "source" "source_x86_64-unknown-linux-gnu_tmp"`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   cp: cannot create directory 'source_x86_64-unknown-linux-gnu_tmp': Read-only file system
[INFO] [stderr]   thread 'main' panicked at 'Failed: `"cp" "-R" "source" "source_x86_64-unknown-linux-gnu_tmp"` (exit status: 1)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openblas-src-0.6.1/build.rs:68:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5596f0389a50 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5596f0389a50 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5596f0389a50 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5596f0389a50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5596f03a870c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5596f0387ee5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x5596f038bacb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5596f038bacb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5596f038bacb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5596f038b5a1 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5596f038c194 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5596f038bc77 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5596f0389f4c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5596f038bbd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5596f0367bdb - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x5596f03740e6 - build_script_build::run::h91c3448bfd6dd532
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openblas-src-0.6.1/build.rs:68:17
[INFO] [stderr]     16:     0x5596f03733f1 - build_script_build::main::h24ed4894ab7d22ed
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openblas-src-0.6.1/build.rs:41:13
[INFO] [stderr]     17:     0x5596f037502b - core::ops::function::FnOnce::call_once::h146597cf070b8bd0
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x5596f0374cee - std::sys_common::backtrace::__rust_begin_short_backtrace::h8ad01c147bd52a28
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x5596f0374d81 - std::rt::lang_start::{{closure}}::haa27203479c833e8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:63:18
[INFO] [stderr]     20:     0x5596f038c69a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x5596f038c69a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x5596f038c69a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x5596f038c69a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x5596f038c69a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48
[INFO] [stderr]     25:     0x5596f038c69a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x5596f038c69a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x5596f038c69a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x5596f038c69a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20
[INFO] [stderr]     29:     0x5596f0374d50 - std::rt::lang_start::hde5a1e9d886d5a6d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:62:5
[INFO] [stderr]     30:     0x5596f037410c - main
[INFO] [stderr]     31:     0x7f574590e0b3 - __libc_start_main
[INFO] [stderr]     32:     0x5596f036897e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e495970234e1b26a584919d5c3f02a5cfac9c7057e170943c89d5ebca54c50ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e495970234e1b26a584919d5c3f02a5cfac9c7057e170943c89d5ebca54c50ba", kill_on_drop: false }`
[INFO] [stdout] e495970234e1b26a584919d5c3f02a5cfac9c7057e170943c89d5ebca54c50ba