[INFO] cloning repository https://github.com/m-lima/hasher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-lima/hasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-lima%2Fhasher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-lima%2Fhasher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1740078f2f6761255019bf3d54234dd0367923d
[INFO] checking m-lima/hasher against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-lima%2Fhasher" "/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/m-lima/hasher on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-lima/hasher
[INFO] finished tweaking git repo https://github.com/m-lima/hasher
[INFO] tweaked toml for git repo https://github.com/m-lima/hasher written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/m-lima/hasher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a57367c4cbeb7c2bda34a3bce432eec96280d0e68df530523bb41d4f21b94c1
[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" "0a57367c4cbeb7c2bda34a3bce432eec96280d0e68df530523bb41d4f21b94c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a57367c4cbeb7c2bda34a3bce432eec96280d0e68df530523bb41d4f21b94c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a57367c4cbeb7c2bda34a3bce432eec96280d0e68df530523bb41d4f21b94c1", kill_on_drop: false }`
[INFO] [stdout] 0a57367c4cbeb7c2bda34a3bce432eec96280d0e68df530523bb41d4f21b94c1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c40f0564b353f6977a13347b29c6f1db8dac9e63fa374887b649f6f4a5468b
[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" "c1c40f0564b353f6977a13347b29c6f1db8dac9e63fa374887b649f6f4a5468b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling hasher v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking eytzinger v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr] error: failed to run custom build command for `hasher v0.4.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hasher-6992e2ba62460800/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to create hidden directory: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:5:42
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c19fa35590 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55c19fa35590 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c19fa35590 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55c19fa35590 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55c19fa4e72c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55c19fa32e42 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x55c19fa376f5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55c19fa376f5 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55c19fa376f5 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55c19fa37398 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55c19fa37e31 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x55c19fa37977 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55c19fa35a2c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55c19fa378d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55c19fa4dad1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55c19fa4d8f3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55c19fa207bf - core::result::Result<T,E>::expect::he076585e879839cb
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x55c19fa20526 - build_script_build::generate_secrets::h9ac194fc91795559
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:5:9
[INFO] [stderr]     18:     0x55c19fa206a6 - build_script_build::main::hfd9564ee2854b1d9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:16:5
[INFO] [stderr]     19:     0x55c19fa2175b - core::ops::function::FnOnce::call_once::hc97393b7d9cf1ec6
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55c19fa20b3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h360f2a7e7859572b
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55c19fa20921 - std::rt::lang_start::{{closure}}::h52c3e1287b70a26a
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55c19fa38257 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55c19fa38257 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:381:40
[INFO] [stderr]     24:     0x55c19fa38257 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:345:19
[INFO] [stderr]     25:     0x55c19fa38257 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panic.rs:382:14
[INFO] [stderr]     26:     0x55c19fa38257 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55c19fa208f7 - std::rt::lang_start::h3a462e12b710efc2
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55c19fa206da - main
[INFO] [stderr]     29:     0x7fce303970b3 - __libc_start_main
[INFO] [stderr]     30:     0x55c19fa200ae - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c1c40f0564b353f6977a13347b29c6f1db8dac9e63fa374887b649f6f4a5468b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c40f0564b353f6977a13347b29c6f1db8dac9e63fa374887b649f6f4a5468b", kill_on_drop: false }`
[INFO] [stdout] c1c40f0564b353f6977a13347b29c6f1db8dac9e63fa374887b649f6f4a5468b