[INFO] fetching crate fjord 0.4.1...
[INFO] testing fjord-0.4.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate fjord 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fjord 0.4.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fjord 0.4.1
[INFO] finished tweaking crates.io crate fjord 0.4.1
[INFO] tweaked toml for crates.io crate fjord 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8cb5838713633624d1b0d61f47c91e932f9934536a32ff0fba7546d4859e0a7
[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" "d8cb5838713633624d1b0d61f47c91e932f9934536a32ff0fba7546d4859e0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8cb5838713633624d1b0d61f47c91e932f9934536a32ff0fba7546d4859e0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cb5838713633624d1b0d61f47c91e932f9934536a32ff0fba7546d4859e0a7", kill_on_drop: false }`
[INFO] [stdout] d8cb5838713633624d1b0d61f47c91e932f9934536a32ff0fba7546d4859e0a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3662d07361901f66f64b1f053643b10f9f4a22eb93795c4f18d9b6d287a1ebbd
[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" "3662d07361901f66f64b1f053643b10f9f4a22eb93795c4f18d9b6d287a1ebbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling smol_str v0.1.16
[INFO] [stderr]    Compiling text-size v1.0.0
[INFO] [stderr]    Compiling thin-dst v1.1.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling rowan v0.10.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling fjord v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "3662d07361901f66f64b1f053643b10f9f4a22eb93795c4f18d9b6d287a1ebbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3662d07361901f66f64b1f053643b10f9f4a22eb93795c4f18d9b6d287a1ebbd", kill_on_drop: false }`
[INFO] [stdout] 3662d07361901f66f64b1f053643b10f9f4a22eb93795c4f18d9b6d287a1ebbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc43ac2c48e1c877b1a7ab39b4fac66f38af34e42f2e1cd34df1625e4a57000
[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" "8cc43ac2c48e1c877b1a7ab39b4fac66f38af34e42f2e1cd34df1625e4a57000", kill_on_drop: false }`
[INFO] [stderr]    Compiling fjord v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "8cc43ac2c48e1c877b1a7ab39b4fac66f38af34e42f2e1cd34df1625e4a57000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc43ac2c48e1c877b1a7ab39b4fac66f38af34e42f2e1cd34df1625e4a57000", kill_on_drop: false }`
[INFO] [stdout] 8cc43ac2c48e1c877b1a7ab39b4fac66f38af34e42f2e1cd34df1625e4a57000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d95ed6a9ed0caa932ba1062be04f527f63f5719bf0c5250e2cc8195a244d690f
[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" "d95ed6a9ed0caa932ba1062be04f527f63f5719bf0c5250e2cc8195a244d690f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fjord-eee6fbfbc425d98a
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test lexer::syntax_kind::tests::lex_equals_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_dollar_sign_then_atom ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_digits ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_let_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom_that_contains_space_escaped_by_backslash ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_nothing ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_line_feeds ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_dollar_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_pipe ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_spaces ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_string_literal ... ok
[INFO] [stdout] test parser::expr::tests::parse_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_literal ... ok
[INFO] [stdout] test parser::statement::tests::recover_from_junk_binding_name_in_binding_definition ... ok
[INFO] [stdout] test parser::expr::tests::parse_string_literal ... ok
[INFO] [stdout] test parser::expr::tests::recover_from_junk_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_call ... ok
[INFO] [stdout] test parser::statement::tests::parse_binding_definition ... ok
[INFO] [stdout] test parser::item::tests::parse_statement ... ok
[INFO] [stdout] test parser::item::tests::parse_expr ... ok
[INFO] [stdout] test parser::expr::tests::parse_lambda ... ok
[INFO] [stdout] test parser::tests::parse_nothing ... ok
[INFO] [stdout] test parser::tests::parse_multiple_items ... ok
[INFO] [stdout] test parser::statement::tests::recover_from_junk_rhs_of_binding_definition ... ok
[INFO] [stdout] test parser::statement::tests::recover_from_junk_equals_sign_in_binding_definition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fjord
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d95ed6a9ed0caa932ba1062be04f527f63f5719bf0c5250e2cc8195a244d690f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95ed6a9ed0caa932ba1062be04f527f63f5719bf0c5250e2cc8195a244d690f", kill_on_drop: false }`
[INFO] [stdout] d95ed6a9ed0caa932ba1062be04f527f63f5719bf0c5250e2cc8195a244d690f