[INFO] fetching crate qr2cairo 0.1.0... [INFO] testing qr2cairo-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate qr2cairo 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate qr2cairo 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qr2cairo 0.1.0 [INFO] finished tweaking crates.io crate qr2cairo 0.1.0 [INFO] tweaked toml for crates.io crate qr2cairo 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26f2ae3adb6cdbdb33c8ed8d78c9dee6544d0946280038df9afa5a8ac11d6919 [INFO] running `Command { std: "docker" "start" "-a" "26f2ae3adb6cdbdb33c8ed8d78c9dee6544d0946280038df9afa5a8ac11d6919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26f2ae3adb6cdbdb33c8ed8d78c9dee6544d0946280038df9afa5a8ac11d6919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f2ae3adb6cdbdb33c8ed8d78c9dee6544d0946280038df9afa5a8ac11d6919", kill_on_drop: false }` [INFO] [stdout] 26f2ae3adb6cdbdb33c8ed8d78c9dee6544d0946280038df9afa5a8ac11d6919 [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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7a8b0e02e907226858d8c4566ce397d4a9bdb094dfcd76f776f52aaa1dcad7d [INFO] running `Command { std: "docker" "start" "-a" "a7a8b0e02e907226858d8c4566ce397d4a9bdb094dfcd76f776f52aaa1dcad7d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling qrcode v0.12.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling thiserror v1.0.25 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Compiling glib-sys v0.10.1 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling glib v0.10.3 [INFO] [stderr] Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.08s [INFO] running `Command { std: "docker" "inspect" "a7a8b0e02e907226858d8c4566ce397d4a9bdb094dfcd76f776f52aaa1dcad7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7a8b0e02e907226858d8c4566ce397d4a9bdb094dfcd76f776f52aaa1dcad7d", kill_on_drop: false }` [INFO] [stdout] a7a8b0e02e907226858d8c4566ce397d4a9bdb094dfcd76f776f52aaa1dcad7d [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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a32b5e57d8b7f7c639dfc92a0f17e50d475b8abcb98b19795ad23ce87a5ebc54 [INFO] running `Command { std: "docker" "start" "-a" "a32b5e57d8b7f7c639dfc92a0f17e50d475b8abcb98b19795ad23ce87a5ebc54", kill_on_drop: false }` [INFO] [stderr] Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "a32b5e57d8b7f7c639dfc92a0f17e50d475b8abcb98b19795ad23ce87a5ebc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a32b5e57d8b7f7c639dfc92a0f17e50d475b8abcb98b19795ad23ce87a5ebc54", kill_on_drop: false }` [INFO] [stdout] a32b5e57d8b7f7c639dfc92a0f17e50d475b8abcb98b19795ad23ce87a5ebc54 [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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 879b7ecd9e07d60c52f2679aea189405e7e71fc71b1e6e8926f5d0bb08c2807d [INFO] running `Command { std: "docker" "start" "-a" "879b7ecd9e07d60c52f2679aea189405e7e71fc71b1e6e8926f5d0bb08c2807d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/qr2cairo-1ad82101c3ec0e5e) [INFO] [stdout] [INFO] [stderr] Doc-tests qr2cairo [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - (line 12) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 12) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: WriteError', src/lib.rs:4:67 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f990de8f00 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55f990de8f00 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f990de8f00 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f990de8f00 - ::fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f990e024fc - core[ee1ca6415511a9c4]::fmt::write [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x55f990de7965 - ::write_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x55f990deab3b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55f990deab3b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55f990deab3b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55f990dea611 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55f990deb1e1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55f990deace7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55f990de93fc - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55f990deac49 - rust_begin_unwind [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55f990daeeb1 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55f990daef43 - core[ee1ca6415511a9c4]::result::unwrap_failed [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55f990dafacd - >::unwrap [INFO] [stdout] 17: 0x55f990dafee4 - rust_out[17891616a171812d]::main::_doctest_main_src_lib_rs_12_0 [INFO] [stdout] 18: 0x55f990dafe86 - rust_out[17891616a171812d]::main [INFO] [stdout] 19: 0x55f990dafe23 - >::call_once [INFO] [stdout] 20: 0x55f990daf9d9 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 21: 0x55f990dafa19 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 22: 0x55f990deb6d9 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55f990deb6d9 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 24: 0x55f990deb6d9 - std[77c0456e0eb29f0c]::panicking::try:: + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 25: 0x55f990deb6d9 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stdout] 26: 0x55f990deb6d9 - std[77c0456e0eb29f0c]::rt::lang_start_internal [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21 [INFO] [stdout] 27: 0x55f990daf981 - std[77c0456e0eb29f0c]::rt::lang_start::<()> [INFO] [stdout] 28: 0x55f990dafff3 - main [INFO] [stdout] 29: 0x7feb08a590b3 - __libc_start_main [INFO] [stdout] 30: 0x55f990daf60e - _start [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 12) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "879b7ecd9e07d60c52f2679aea189405e7e71fc71b1e6e8926f5d0bb08c2807d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "879b7ecd9e07d60c52f2679aea189405e7e71fc71b1e6e8926f5d0bb08c2807d", kill_on_drop: false }` [INFO] [stdout] 879b7ecd9e07d60c52f2679aea189405e7e71fc71b1e6e8926f5d0bb08c2807d