[INFO] fetching crate langlang_lib 0.1.2...
[INFO] testing langlang_lib-0.1.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate langlang_lib 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate langlang_lib 0.1.2
[INFO] finished tweaking crates.io crate langlang_lib 0.1.2
[INFO] tweaked toml for crates.io crate langlang_lib 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate langlang_lib 0.1.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded langlang_value v0.1.2
[INFO] [stderr]   Downloaded langlang_syntax v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65bf54531e539a73de2979daabc4c84f1a0ba56d76b6d74da313e110f48afe2
[INFO] running `Command { std: "docker" "start" "-a" "c65bf54531e539a73de2979daabc4c84f1a0ba56d76b6d74da313e110f48afe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65bf54531e539a73de2979daabc4c84f1a0ba56d76b6d74da313e110f48afe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65bf54531e539a73de2979daabc4c84f1a0ba56d76b6d74da313e110f48afe2", kill_on_drop: false }`
[INFO] [stdout] c65bf54531e539a73de2979daabc4c84f1a0ba56d76b6d74da313e110f48afe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eac12ae2cae8e183cb5df02800d18f2917d9f633b6ce309c0b758e82e79a55b
[INFO] running `Command { std: "docker" "start" "-a" "6eac12ae2cae8e183cb5df02800d18f2917d9f633b6ce309c0b758e82e79a55b", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling langlang_value v0.1.2
[INFO] [stderr]    Compiling langlang_syntax v0.1.2
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling langlang_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "6eac12ae2cae8e183cb5df02800d18f2917d9f633b6ce309c0b758e82e79a55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eac12ae2cae8e183cb5df02800d18f2917d9f633b6ce309c0b758e82e79a55b", kill_on_drop: false }`
[INFO] [stdout] 6eac12ae2cae8e183cb5df02800d18f2917d9f633b6ce309c0b758e82e79a55b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9addf5a7c7dc3ec928251f8be5d7e149e3023ed637862f8364675315eadaa9b
[INFO] running `Command { std: "docker" "start" "-a" "b9addf5a7c7dc3ec928251f8be5d7e149e3023ed637862f8364675315eadaa9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling langlang_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "b9addf5a7c7dc3ec928251f8be5d7e149e3023ed637862f8364675315eadaa9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9addf5a7c7dc3ec928251f8be5d7e149e3023ed637862f8364675315eadaa9b", kill_on_drop: false }`
[INFO] [stdout] b9addf5a7c7dc3ec928251f8be5d7e149e3023ed637862f8364675315eadaa9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c02f82e0b14a724ebff819a6a653193275e4267f7a94c9a932cfb73ba242acd4
[INFO] running `Command { std: "docker" "start" "-a" "c02f82e0b14a724ebff819a6a653193275e4267f7a94c9a932cfb73ba242acd4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/langlang_lib-b92166faae3efa10)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test compiler::tests::detect_left_recursion_direct_lr ... ok
[INFO] [stdout] test compiler::tests::detect_left_recursion_indirect_lr ... ok
[INFO] [stdout] test compiler::tests::detect_left_recursion_wrapping_precedence ... ok
[INFO] [stdout] test compiler::tests::detect_left_recursion_mutual ... ok
[INFO] [stdout] test compiler::tests::detect_left_recursion_not_lr ... ok
[INFO] [stdout] test vm::tests::any_1 ... ok
[INFO] [stdout] test vm::tests::any_2_eof ... ok
[INFO] [stdout] test vm::tests::ch_1 ... ok
[INFO] [stdout] test vm::tests::lrvar_1 ... ok
[INFO] [stdout] test vm::tests::lrvar_2 ... ok
[INFO] [stdout] test vm::tests::lrvar_3 ... ok
[INFO] [stdout] test vm::tests::ch_2 ... ok
[INFO] [stdout] test vm::tests::capture_choice_0 ... ok
[INFO] [stdout] test vm::tests::lrvar_err ... ok
[INFO] [stdout] test vm::tests::not_1 ... ok
[INFO] [stdout] test vm::tests::not_2 ... ok
[INFO] [stdout] test vm::tests::span_1 ... ok
[INFO] [stdout] test vm::tests::rep_1 ... ok
[INFO] [stdout] test vm::tests::rep_2 ... ok
[INFO] [stdout] test vm::tests::str_1 ... ok
[INFO] [stdout] test vm::tests::ord_2 ... ok
[INFO] [stdout] test vm::tests::str_2 ... ok
[INFO] [stdout] test vm::tests::str_3 ... ok
[INFO] [stdout] test vm::tests::capture_choice_within_var ... ok
[INFO] [stdout] test vm::tests::ord_1 ... ok
[INFO] [stdout] test vm::tests::ord_3 ... ok
[INFO] [stdout] test vm::tests::throw_1 ... ok
[INFO] [stdout] test vm::tests::var_2 ... ok
[INFO] [stdout] test vm::tests::var_1 ... ok
[INFO] [stderr]    Doc-tests langlang_lib
[INFO] [stdout] test vm::tests::span_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c02f82e0b14a724ebff819a6a653193275e4267f7a94c9a932cfb73ba242acd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02f82e0b14a724ebff819a6a653193275e4267f7a94c9a932cfb73ba242acd4", kill_on_drop: false }`
[INFO] [stdout] c02f82e0b14a724ebff819a6a653193275e4267f7a94c9a932cfb73ba242acd4