[INFO] cloning repository https://github.com/tandalesc/rust-scroller [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tandalesc/rust-scroller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-scroller", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-scroller'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9fd4a1513a86ed987886424122ccd89fe3cad66 [INFO] checking tandalesc/rust-scroller against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-scroller" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tandalesc/rust-scroller on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tandalesc/rust-scroller [INFO] finished tweaking git repo https://github.com/tandalesc/rust-scroller [INFO] tweaked toml for git repo https://github.com/tandalesc/rust-scroller written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/tandalesc/rust-scroller already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /workspace/builds/worker-8/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84bfe1f33889170c8198ed45d81df760d235bef3f66e80fb1441a17b70e27d5e [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" "84bfe1f33889170c8198ed45d81df760d235bef3f66e80fb1441a17b70e27d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84bfe1f33889170c8198ed45d81df760d235bef3f66e80fb1441a17b70e27d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84bfe1f33889170c8198ed45d81df760d235bef3f66e80fb1441a17b70e27d5e", kill_on_drop: false }` [INFO] [stdout] 84bfe1f33889170c8198ed45d81df760d235bef3f66e80fb1441a17b70e27d5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7af68b1239c4ad9d746d6f2468ac7e14d44ccb25f2501b367f810df532ce452 [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" "f7af68b1239c4ad9d746d6f2468ac7e14d44ccb25f2501b367f810df532ce452", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.43 [INFO] [stderr] Checking rustc-demangle v0.1.17 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling nonzero_signed v1.0.3 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking fluent-syntax v0.9.3 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking fluent-locale v0.4.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking libloading v0.6.3 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking encoding_rs v0.8.24 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking uname v0.1.1 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling err-derive v0.1.6 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling sentry v0.15.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking ogg v0.7.0 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Checking x11-dl v2.18.5 [INFO] [stderr] Checking openssl-sys v0.9.58 [INFO] [stderr] Checking sized-chunks v0.1.3 [INFO] [stderr] Checking intl_pluralrules v1.0.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-ed7b1f1a5b119776/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558e0bd7cab0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x558e0bd7cab0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558e0bd7cab0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x558e0bd7cab0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x558e0bd9965c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x558e0bd7a762 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x558e0bd7ebdd - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x558e0bd7ebdd - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x558e0bd7ebdd - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x558e0bd7e888 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x558e0bd7f261 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x558e0bd7ee09 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x558e0bd7cf3c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x558e0bd7edc9 - rust_begin_unwind [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x558e0bd98971 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x558e0bd98793 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/option.rs:1234 [INFO] [stderr] 16: 0x558e0bd48f6b - core::result::Result::unwrap::h19bebba9d1f5534e [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x558e0bd45765 - build_script_build::main::h1908632b746efad9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 18: 0x558e0bd4710b - core::ops::function::FnOnce::call_once::hd120cd3a7e75fd9d [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x558e0bd4703e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd7b1908e20be2578 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x558e0bd47651 - std::rt::lang_start::{{closure}}::hd46992c4ccd7fdaf [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x558e0bd7f687 - core::ops::function::impls:: for &F>::call_once::h5e15f43ce28787f7 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x558e0bd7f687 - std::panicking::try::do_call::h764f1891769113e9 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x558e0bd7f687 - std::panicking::try::h0f2fe4fdd5e0ad19 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x558e0bd7f687 - std::panic::catch_unwind::h1634e40dd3a19f80 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x558e0bd7f687 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x558e0bd47627 - std::rt::lang_start::h89121be5c9d3329e [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x558e0bd4681a - main [INFO] [stderr] 28: 0x7f5ab7b8e0b3 - __libc_start_main [INFO] [stderr] 29: 0x558e0bd450ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f7af68b1239c4ad9d746d6f2468ac7e14d44ccb25f2501b367f810df532ce452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7af68b1239c4ad9d746d6f2468ac7e14d44ccb25f2501b367f810df532ce452", kill_on_drop: false }` [INFO] [stdout] f7af68b1239c4ad9d746d6f2468ac7e14d44ccb25f2501b367f810df532ce452