[INFO] fetching crate svg 0.18.0...
[INFO] testing svg-0.18.0 against master#a1531335fe2807715fff569904d99602022643a7 for pr-145277
[INFO] extracting crate svg 0.18.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate svg 0.18.0
[INFO] finished tweaking crates.io crate svg 0.18.0
[INFO] tweaked toml for crates.io crate svg 0.18.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate svg 0.18.0 on toolchain a1531335fe2807715fff569904d99602022643a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d2b4979cf7ca3d793c5d6d8fec37ff84d433a410f09c3454ea9e3edcd70ea4a
[INFO] running `Command { std: "docker" "start" "-a" "8d2b4979cf7ca3d793c5d6d8fec37ff84d433a410f09c3454ea9e3edcd70ea4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2b4979cf7ca3d793c5d6d8fec37ff84d433a410f09c3454ea9e3edcd70ea4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2b4979cf7ca3d793c5d6d8fec37ff84d433a410f09c3454ea9e3edcd70ea4a", kill_on_drop: false }`
[INFO] [stdout] 8d2b4979cf7ca3d793c5d6d8fec37ff84d433a410f09c3454ea9e3edcd70ea4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1991867e9e9a84f962d94eb40c5546735ff5c484c3a3786cad06de7fb5b1e58d
[INFO] running `Command { std: "docker" "start" "-a" "1991867e9e9a84f962d94eb40c5546735ff5c484c3a3786cad06de7fb5b1e58d", kill_on_drop: false }`
[INFO] [stderr]    Compiling svg v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "1991867e9e9a84f962d94eb40c5546735ff5c484c3a3786cad06de7fb5b1e58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1991867e9e9a84f962d94eb40c5546735ff5c484c3a3786cad06de7fb5b1e58d", kill_on_drop: false }`
[INFO] [stdout] 1991867e9e9a84f962d94eb40c5546735ff5c484c3a3786cad06de7fb5b1e58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 273e3a6eb5b72662b718cefcc40d93737613a9c3c8ad02ddfc1405708cb34b58
[INFO] running `Command { std: "docker" "start" "-a" "273e3a6eb5b72662b718cefcc40d93737613a9c3c8ad02ddfc1405708cb34b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling svg v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "273e3a6eb5b72662b718cefcc40d93737613a9c3c8ad02ddfc1405708cb34b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273e3a6eb5b72662b718cefcc40d93737613a9c3c8ad02ddfc1405708cb34b58", kill_on_drop: false }`
[INFO] [stdout] 273e3a6eb5b72662b718cefcc40d93737613a9c3c8ad02ddfc1405708cb34b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be4f9b57d7ee9a70804fec8e95c5012a0dd37e0f5a54a8e6afb8b126dc40760a
[INFO] running `Command { std: "docker" "start" "-a" "be4f9b57d7ee9a70804fec8e95c5012a0dd37e0f5a54a8e6afb8b126dc40760a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/svg-dc9f63d25afbe257)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test node::element::path::data::tests::data_into_value ... ok
[INFO] [stdout] test node::element::path::data::tests::data_append ... ok
[INFO] [stdout] test node::element::path::data::tests::parser_read_number ... ok
[INFO] [stdout] test node::element::path::data::tests::parser_read_parameters ... ok
[INFO] [stdout] test node::element::tag::tests::parser_process ... ok
[INFO] [stdout] test node::element::tag::tests::parser_read_attribute ... ok
[INFO] [stdout] test node::element::tests::element_children ... ok
[INFO] [stdout] test node::element::tests::element_display ... ok
[INFO] [stdout] test node::element::tests::element_display_angles ... ok
[INFO] [stdout] test node::element::tests::element_display_quotes ... ok
[INFO] [stdout] test node::comment::tests::comment_display ... ok
[INFO] [stdout] test node::element::path::data::tests::parser_read_parameters_elliptical_arc ... ok
[INFO] [stdout] test node::element::tests::style_display ... ok
[INFO] [stdout] test node::element::path::data::tests::data_parse ... ok
[INFO] [stdout] test parser::reader::tests::capture ... ok
[INFO] [stdout] test parser::reader::tests::consume_name ... ok
[INFO] [stdout] test node::value::tests::value_from_vector ... ok
[INFO] [stdout] test parser::reader::tests::consume_attribute ... ok
[INFO] [stdout] test parser::reader::tests::consume_number ... ok
[INFO] [stdout] test parser::tests::next_text ... ok
[INFO] [stdout] test parser::reader::tests::consume_comment ... ok
[INFO] [stdout] test parser::tests::next_tag ... ok
[INFO] [stdout] test tests::open ... ok
[INFO] [stdout] test parser::reader::tests::consume_reference ... ok
[INFO] [stdout] test node::element::path::data::tests::parser_read_command ... ok
[INFO] [stdout] test parser::reader::tests::consume_whitespace ... ok
[INFO] [stdout] test tests::read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests svg
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (111) panicked at src/lib.rs:25:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a5aa7b78352 - std::backtrace_rs::backtrace::libunwind::trace::h28054f4383c3f58e
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a5aa7b78352 - std::backtrace_rs::backtrace::trace_unsynchronized::ha282a8c421679d2f
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a5aa7b78352 - std::sys::backtrace::_print_fmt::hbec33065234e0802
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a5aa7b78352 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd1d4bb6928e618aa
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a5aa7b987ff - core::fmt::rt::Argument::fmt::h9d7a9c51e359853c
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a5aa7b987ff - core::fmt::write::hb74543a25e711b4b
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5a5aa7b75d43 - std::io::default_write_fmt::h5c999ed4d846f453
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a5aa7b75d43 - std::io::Write::write_fmt::h67ff653f7f7400bd
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a5aa7b781a2 - std::sys::backtrace::BacktraceLock::print::heea219b8050afbf1
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a5aa7b792a4 - std::panicking::default_hook::{{closure}}::hd4259c9ab8b045c5
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5a5aa7b790c5 - std::panicking::default_hook::h11ff409030846680
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5a5aa7b79bd5 - std::panicking::panic_with_hook::h7ff7afb88160a118
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5a5aa7b79a6a - std::panicking::panic_handler::{{closure}}::hcdc643b4bb0ebe9b
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5a5aa7b78849 - std::sys::backtrace::__rust_end_short_backtrace::h1e475b2065076ac7
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5a5aa7b796fd - __rustc[e46213fa37f0c562]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5a5aa7b97070 - core::panicking::panic_fmt::h80b565e2eb233fe8
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5a5aa7b974a6 - core::result::unwrap_failed::h0419f8a7c5f9f8cf
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/core/src/result.rs:1852:5
[INFO] [stdout]   17:     0x5a5aa7b3f445 - rust_out::main::h3fdf13292d55e15d
[INFO] [stdout]   18:     0x5a5aa7b3a053 - core::ops::function::FnOnce::call_once::hced45784bd0b7d2b
[INFO] [stdout]   19:     0x5a5aa7b38ea6 - std::sys::backtrace::__rust_begin_short_backtrace::hc0a63bd894b24c9b
[INFO] [stdout]   20:     0x5a5aa7b38de9 - std::rt::lang_start::{{closure}}::h2ef03fd0c6b68e00
[INFO] [stdout]   21:     0x5a5aa7b73970 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h65a6b79685640449
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   22:     0x5a5aa7b73970 - std::panicking::catch_unwind::do_call::h709396c014a04487
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:590:40
[INFO] [stdout]   23:     0x5a5aa7b73970 - std::panicking::catch_unwind::h280afe09bfed2c17
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:553:19
[INFO] [stdout]   24:     0x5a5aa7b73970 - std::panic::catch_unwind::h6d9a7e125e9e3853
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panic.rs:357:14
[INFO] [stdout]   25:     0x5a5aa7b73970 - std::rt::lang_start_internal::{{closure}}::h57f9404b47d004ab
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x5a5aa7b73970 - std::panicking::catch_unwind::do_call::h62e2b2504a448cfe
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:590:40
[INFO] [stdout]   27:     0x5a5aa7b73970 - std::panicking::catch_unwind::h1f84c1204d179cb5
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panicking.rs:553:19
[INFO] [stdout]   28:     0x5a5aa7b73970 - std::panic::catch_unwind::hf78a095314b8f3cc
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/panic.rs:357:14
[INFO] [stdout]   29:     0x5a5aa7b73970 - std::rt::lang_start_internal::hf42e91c0c753ecae
[INFO] [stdout]                                at /rustc/a1531335fe2807715fff569904d99602022643a7/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x5a5aa7b38dd1 - std::rt::lang_start::hd121f7ee294014f4
[INFO] [stdout]   31:     0x5a5aa7b3f545 - main
[INFO] [stdout]   32:     0x7f28871501ca - <unknown>
[INFO] [stdout]   33:     0x7f288715028b - __libc_start_main
[INFO] [stdout]   34:     0x5a5aa7b37905 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "be4f9b57d7ee9a70804fec8e95c5012a0dd37e0f5a54a8e6afb8b126dc40760a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4f9b57d7ee9a70804fec8e95c5012a0dd37e0f5a54a8e6afb8b126dc40760a", kill_on_drop: false }`
[INFO] [stdout] be4f9b57d7ee9a70804fec8e95c5012a0dd37e0f5a54a8e6afb8b126dc40760a