[INFO] fetching crate srcerr 0.1.0...
[INFO] testing srcerr-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate srcerr 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate srcerr 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srcerr 0.1.0
[INFO] finished tweaking crates.io crate srcerr 0.1.0
[INFO] tweaked toml for crates.io crate srcerr 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate srcerr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 1ea0fd314f08ecab891be0b2ecbaed21b7cb054d33151e0087b82b656d9ed11e
[INFO] running `Command { std: "docker" "start" "-a" "1ea0fd314f08ecab891be0b2ecbaed21b7cb054d33151e0087b82b656d9ed11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea0fd314f08ecab891be0b2ecbaed21b7cb054d33151e0087b82b656d9ed11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea0fd314f08ecab891be0b2ecbaed21b7cb054d33151e0087b82b656d9ed11e", kill_on_drop: false }`
[INFO] [stdout] 1ea0fd314f08ecab891be0b2ecbaed21b7cb054d33151e0087b82b656d9ed11e
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc71abee923c47979ab7b1a97c08280eb397b605ffef1bed937655150f1ff830
[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" "dc71abee923c47979ab7b1a97c08280eb397b605ffef1bed937655150f1ff830", kill_on_drop: false }`
[INFO] [stderr]    Compiling srcerr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "dc71abee923c47979ab7b1a97c08280eb397b605ffef1bed937655150f1ff830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc71abee923c47979ab7b1a97c08280eb397b605ffef1bed937655150f1ff830", kill_on_drop: false }`
[INFO] [stdout] dc71abee923c47979ab7b1a97c08280eb397b605ffef1bed937655150f1ff830
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ac77d68efc0d56866f9d51e7619ca9c0957384c75485d584032732e4ecc10f3
[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" "9ac77d68efc0d56866f9d51e7619ca9c0957384c75485d584032732e4ecc10f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling srcerr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "9ac77d68efc0d56866f9d51e7619ca9c0957384c75485d584032732e4ecc10f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac77d68efc0d56866f9d51e7619ca9c0957384c75485d584032732e4ecc10f3", kill_on_drop: false }`
[INFO] [stdout] 9ac77d68efc0d56866f9d51e7619ca9c0957384c75485d584032732e4ecc10f3
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f8d17cd12d98cd4069952d685a259f65825b7468d1da9026a3d8828d9a1d638
[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" "5f8d17cd12d98cd4069952d685a259f65825b7468d1da9026a3d8828d9a1d638", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/srcerr-a3e58752b6efa075
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test formatter::ansi_color_formatter::tests::formats_multi_line_expr_context_before ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::formats_multi_line_expr_context_both ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::formats_multi_line_expr_context_expr ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::path_arrow_moves_with_line_number_margin ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::formats_single_line_expr ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::zero_pads_error_code_log_10_inexact ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::zero_pads_error_code_log_10_exact ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::formats_multi_line_expr_context_before ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::formats_multi_line_expr_context_both ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::formats_multi_line_expr_context_expr ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::zero_pads_error_code_log_10_exact ... ok
[INFO] [stdout] test formatter::ansi_color_formatter::tests::formats_long_line_expr_context_expr ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::zero_pads_error_code_log_10_inexact ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::formats_single_line_expr ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::formats_long_line_expr_context_expr ... ok
[INFO] [stdout] test formatter::plain_text_formatter::tests::path_arrow_moves_with_line_number_margin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests srcerr
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/formatter/source_error_formatter.rs - formatter::source_error_formatter::SourceErrorFormatter<W, S>::fmt_suggestion_hint (line 294) ... ignored
[INFO] [stdout] test src/formatter/source_error_formatter.rs - formatter::source_error_formatter::SourceErrorFormatter<W, S>::fmt_suggestion_source_ref_hint (line 252) ... ignored
[INFO] [stdout] test src/model/source_ref_hint.rs - model::source_ref_hint::SourceRefHint::description (line 12) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f8d17cd12d98cd4069952d685a259f65825b7468d1da9026a3d8828d9a1d638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8d17cd12d98cd4069952d685a259f65825b7468d1da9026a3d8828d9a1d638", kill_on_drop: false }`
[INFO] [stdout] 5f8d17cd12d98cd4069952d685a259f65825b7468d1da9026a3d8828d9a1d638