[INFO] cloning repository https://github.com/alexfikl/polsys-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexfikl/polsys-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfikl%2Fpolsys-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfikl%2Fpolsys-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce50cfe211cc5d455e13544b9da7c36202db2a7
[INFO] testing alexfikl/polsys-rs against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexfikl%2Fpolsys-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alexfikl/polsys-rs
[INFO] finished tweaking git repo https://github.com/alexfikl/polsys-rs
[INFO] tweaked toml for git repo https://github.com/alexfikl/polsys-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexfikl/polsys-rs on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alexfikl/polsys-rs 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" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.5
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded cc v1.2.49
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87c48f7d5d6793c63a91f3ac299c524b7b888a5e7c8a83c4886c121d7b6f0ffa
[INFO] running `Command { std: "docker" "start" "-a" "87c48f7d5d6793c63a91f3ac299c524b7b888a5e7c8a83c4886c121d7b6f0ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c48f7d5d6793c63a91f3ac299c524b7b888a5e7c8a83c4886c121d7b6f0ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c48f7d5d6793c63a91f3ac299c524b7b888a5e7c8a83c4886c121d7b6f0ffa", kill_on_drop: false }`
[INFO] [stdout] 87c48f7d5d6793c63a91f3ac299c524b7b888a5e7c8a83c4886c121d7b6f0ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c86911af995345d4246c4c999fd62a2b0e3d249a87b1505d12264ed4233f50b
[INFO] running `Command { std: "docker" "start" "-a" "3c86911af995345d4246c4c999fd62a2b0e3d249a87b1505d12264ed4233f50b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling polsys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr] warning: polsys@0.1.0: polsys-plp/polsys_plp.f90:8:31:
[INFO] [stderr] warning: polsys@0.1.0: 
[INFO] [stderr] warning: polsys@0.1.0:     8 |       END MODULE REAL_PRECISION
[INFO] [stderr] warning: polsys@0.1.0:       |                               1
[INFO] [stderr] warning: polsys@0.1.0: Fatal Error: Cannot open module file 'real_precision.mod0' for writing at (1): Read-only file system
[INFO] [stderr] warning: polsys@0.1.0: compilation terminated.
[INFO] [stderr] error: failed to run custom build command for `polsys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/polsys-684089e38178cce6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/polsys-bd901aedc01ba4c3/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   cargo:warning=polsys-plp/polsys_plp.f90:8:31:
[INFO] [stderr]   cargo:warning=
[INFO] [stderr]   cargo:warning=    8 |       END MODULE REAL_PRECISION
[INFO] [stderr]   cargo:warning=      |                               1
[INFO] [stderr]   cargo:warning=Fatal Error: Cannot open module file 'real_precision.mod0' for writing at (1): Read-only file system
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "gfortran" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-Wno-compare-reals" "-Wno-do-subscript" "-Wno-function-elimination" "-Wno-maybe-uninitialized" "-Wno-unused-dummy-argument" "-Wno-unused-label" "-Wno-tabs" "-O3" "-o" "/opt/rustwide/target/debug/build/polsys-bd901aedc01ba4c3/out/5f15c91c62586f86-polsys_plp.o" "-c" "polsys-plp/polsys_plp.f90"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3c86911af995345d4246c4c999fd62a2b0e3d249a87b1505d12264ed4233f50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c86911af995345d4246c4c999fd62a2b0e3d249a87b1505d12264ed4233f50b", kill_on_drop: false }`
[INFO] [stdout] 3c86911af995345d4246c4c999fd62a2b0e3d249a87b1505d12264ed4233f50b