[INFO] fetching crate rbuild 0.3.1...
[INFO] testing rbuild-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rbuild 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rbuild 0.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbuild 0.3.1
[INFO] finished tweaking crates.io crate rbuild 0.3.1
[INFO] tweaked toml for crates.io crate rbuild 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 667051c2edff1ba7dc0cc65034fd8db577a378330e721456b3f08731c4374723
[INFO] running `Command { std: "docker" "start" "-a" "667051c2edff1ba7dc0cc65034fd8db577a378330e721456b3f08731c4374723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "667051c2edff1ba7dc0cc65034fd8db577a378330e721456b3f08731c4374723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667051c2edff1ba7dc0cc65034fd8db577a378330e721456b3f08731c4374723", kill_on_drop: false }`
[INFO] [stdout] 667051c2edff1ba7dc0cc65034fd8db577a378330e721456b3f08731c4374723
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] e1387eeab8ff81e806d98fc5482a78b42fd88a063bc9d3f0ae4558830eb0dd67
[INFO] running `Command { std: "docker" "start" "-a" "e1387eeab8ff81e806d98fc5482a78b42fd88a063bc9d3f0ae4558830eb0dd67", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgparse v0.1.2
[INFO] [stderr]    Compiling paragraphs v0.3.1
[INFO] [stderr]    Compiling rbuild v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "e1387eeab8ff81e806d98fc5482a78b42fd88a063bc9d3f0ae4558830eb0dd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1387eeab8ff81e806d98fc5482a78b42fd88a063bc9d3f0ae4558830eb0dd67", kill_on_drop: false }`
[INFO] [stdout] e1387eeab8ff81e806d98fc5482a78b42fd88a063bc9d3f0ae4558830eb0dd67
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dac544f938bd89b18786756429e278fd599844e712b1f8806c9baf5ac10ae30
[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" "8dac544f938bd89b18786756429e278fd599844e712b1f8806c9baf5ac10ae30", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuild v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "8dac544f938bd89b18786756429e278fd599844e712b1f8806c9baf5ac10ae30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dac544f938bd89b18786756429e278fd599844e712b1f8806c9baf5ac10ae30", kill_on_drop: false }`
[INFO] [stdout] 8dac544f938bd89b18786756429e278fd599844e712b1f8806c9baf5ac10ae30
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f4fbf3085f6fe3ecb8767835d0cf262f088c0ea1ea28dcae7586d48f2377499
[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" "5f4fbf3085f6fe3ecb8767835d0cf262f088c0ea1ea28dcae7586d48f2377499", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rbuild-45744b531df8a167
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test lexer::tests::can_escape_spaces ... ok
[INFO] [stdout] test lexer::tests::can_read_deps ... ok
[INFO] [stdout] test lexer::tests::can_read_path_tag ... ok
[INFO] [stdout] test lexer::tests::can_parse_single_keywords ... ok
[INFO] [stdout] test lexer::tests::quoted_keyword_is_ident ... ok
[INFO] [stdout] test lexer::tests::will_skip_comments ... ok
[INFO] [stdout] test lexer::tests::single_quoted_string_is_single_token ... ok
[INFO] [stdout] test lexer::tests::can_read_run ... ok
[INFO] [stdout] test lexer::tests::double_quoted_string_is_single_token ... ok
[INFO] [stdout] test parser::tests::can_parse_multiple_nodes ... ok
[INFO] [stdout] test parser::tests::can_construct_parser ... ok
[INFO] [stdout] test parser::tests::can_parse_node ... ok
[INFO] [stdout] test parser::tests::can_parse_multiple_nodes_with_deps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f4fbf3085f6fe3ecb8767835d0cf262f088c0ea1ea28dcae7586d48f2377499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4fbf3085f6fe3ecb8767835d0cf262f088c0ea1ea28dcae7586d48f2377499", kill_on_drop: false }`
[INFO] [stdout] 5f4fbf3085f6fe3ecb8767835d0cf262f088c0ea1ea28dcae7586d48f2377499