[INFO] cloning repository https://github.com/ademinn/ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ademinn/ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fademinn%2Fml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fademinn%2Fml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 322a469c4595060d6045e25b3e16646129e375f5
[INFO] checking ademinn/ml against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fademinn%2Fml" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ademinn/ml on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ademinn/ml
[INFO] removed path dependency common from git repo https://github.com/ademinn/ml
[INFO] finished tweaking git repo https://github.com/ademinn/ml
[INFO] tweaked toml for git repo https://github.com/ademinn/ml written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ademinn/ml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/GuillaumeGomez/rust-GSL.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.0.12
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d0fa16bb97e333ee405435b5e1061ce7fa7b5e1d3813391f0283779f2f80bfe
[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" "1d0fa16bb97e333ee405435b5e1061ce7fa7b5e1d3813391f0283779f2f80bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0fa16bb97e333ee405435b5e1061ce7fa7b5e1d3813391f0283779f2f80bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0fa16bb97e333ee405435b5e1061ce7fa7b5e1d3813391f0283779f2f80bfe", kill_on_drop: false }`
[INFO] [stdout] 1d0fa16bb97e333ee405435b5e1061ce7fa7b5e1d3813391f0283779f2f80bfe
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--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] c61f103dbfc1d9af405c62f7843f43f522aeaff0eecab0793e5e80269bbf97a8
[INFO] running `Command { std: "docker" "start" "-a" "c61f103dbfc1d9af405c62f7843f43f522aeaff0eecab0793e5e80269bbf97a8", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]    Compiling GSL v1.1.1 (https://github.com/GuillaumeGomez/rust-GSL.git#b06c6732)
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr] error: failed to run custom build command for `GSL v1.1.1 (https://github.com/GuillaumeGomez/rust-GSL.git#b06c6732)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/GSL-5072f80e09519301/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSL_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GSL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GSL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'GSL library not found: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"gsl\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package gsl was not found in the pkg-config search path.\nPerhaps you should add the directory containing `gsl.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'gsl\' found\n" } }', /opt/rustwide/cargo-home/git/checkouts/rust-gsl-66287d2fa684a27c/b06c673/build.rs:16:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55930c4571ff - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55930c4571ff - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55930c4571ff - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x55930c4571ff - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55930c47600c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55930c454745 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55930c4597d0 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55930c4597d0 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55930c4597d0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x55930c45951c - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x55930c459e13 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x55930c459a0b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x55930c475411 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x55930c475233 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x55930c41549f - core::result::Result<T,E>::expect::haccc8ddfd23cbe54
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/result.rs:963
[INFO] [stderr]     15:     0x55930c41568a - build_script_build::main::h774086a3fea156ca
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-gsl-66287d2fa684a27c/b06c673/build.rs:10
[INFO] [stderr]     16:     0x55930c4151fb - std::rt::lang_start::{{closure}}::h4427dd584c1a50e2
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x55930c45a226 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:52
[INFO] [stderr]     18:     0x55930c45a226 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:348
[INFO] [stderr]     19:     0x55930c45a226 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:325
[INFO] [stderr]     20:     0x55930c45a226 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panic.rs:394
[INFO] [stderr]     21:     0x55930c45a226 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:51
[INFO] [stderr]     22:     0x55930c4151d7 - std::rt::lang_start::hb5cf22b7b0a14fc1
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     23:     0x55930c4157ba - main
[INFO] [stderr]     24:     0x7fc691d180b3 - __libc_start_main
[INFO] [stderr]     25:     0x55930c4150be - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c61f103dbfc1d9af405c62f7843f43f522aeaff0eecab0793e5e80269bbf97a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61f103dbfc1d9af405c62f7843f43f522aeaff0eecab0793e5e80269bbf97a8", kill_on_drop: false }`
[INFO] [stdout] c61f103dbfc1d9af405c62f7843f43f522aeaff0eecab0793e5e80269bbf97a8