[INFO] cloning repository https://github.com/khrynczenko/rbm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khrynczenko/rbm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhrynczenko%2Frbm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhrynczenko%2Frbm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16f996b612628db6e13dd4d451d13f3559fa2bfc
[INFO] testing khrynczenko/rbm against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhrynczenko%2Frbm" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khrynczenko/rbm on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khrynczenko/rbm
[INFO] finished tweaking git repo https://github.com/khrynczenko/rbm
[INFO] tweaked toml for git repo https://github.com/khrynczenko/rbm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/khrynczenko/rbm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0684c77070b77b538c284513e58f79a18cacc4726d6b7972ecfd898b4780f20
[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" "d0684c77070b77b538c284513e58f79a18cacc4726d6b7972ecfd898b4780f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0684c77070b77b538c284513e58f79a18cacc4726d6b7972ecfd898b4780f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0684c77070b77b538c284513e58f79a18cacc4726d6b7972ecfd898b4780f20", kill_on_drop: false }`
[INFO] [stdout] d0684c77070b77b538c284513e58f79a18cacc4726d6b7972ecfd898b4780f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d1675491fb67bf4f691901a88a3f35fc42184d85ee5ae9a58c7c66a7f56cf88
[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" "7d1675491fb67bf4f691901a88a3f35fc42184d85ee5ae9a58c7c66a7f56cf88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rbm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_non_id_parameter`
[INFO] [stdout]    --> src/parser.rs:902:4
[INFO] [stdout]     |
[INFO] [stdout] 902 | fn parse_non_id_parameter(stream: &mut TokenStream) -> Result<(), ParseError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.49s
[INFO] running `Command { std: "docker" "inspect" "7d1675491fb67bf4f691901a88a3f35fc42184d85ee5ae9a58c7c66a7f56cf88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1675491fb67bf4f691901a88a3f35fc42184d85ee5ae9a58c7c66a7f56cf88", kill_on_drop: false }`
[INFO] [stdout] 7d1675491fb67bf4f691901a88a3f35fc42184d85ee5ae9a58c7c66a7f56cf88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9941058e6896ad73875884da6a77c192c9f87ae5b7744c42403e8a4941928c0
[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" "a9941058e6896ad73875884da6a77c192c9f87ae5b7744c42403e8a4941928c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_non_id_parameter`
[INFO] [stdout]    --> src/parser.rs:902:4
[INFO] [stdout]     |
[INFO] [stdout] 902 | fn parse_non_id_parameter(stream: &mut TokenStream) -> Result<(), ParseError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_non_id_parameter`
[INFO] [stdout]    --> src/parser.rs:902:4
[INFO] [stdout]     |
[INFO] [stdout] 902 | fn parse_non_id_parameter(stream: &mut TokenStream) -> Result<(), ParseError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "a9941058e6896ad73875884da6a77c192c9f87ae5b7744c42403e8a4941928c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9941058e6896ad73875884da6a77c192c9f87ae5b7744c42403e8a4941928c0", kill_on_drop: false }`
[INFO] [stdout] a9941058e6896ad73875884da6a77c192c9f87ae5b7744c42403e8a4941928c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] b91767c77e3efbac438ce7c203f4a8194f0b25faa66e74c0f3bf17cbf72d184a
[INFO] running `Command { std: "docker" "start" "-a" "b91767c77e3efbac438ce7c203f4a8194f0b25faa66e74c0f3bf17cbf72d184a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `parse_non_id_parameter`
[INFO] [stderr]    --> src/parser.rs:902:4
[INFO] [stderr]     |
[INFO] [stderr] 902 | fn parse_non_id_parameter(stream: &mut TokenStream) -> Result<(), ParseError> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_non_id_parameter`
[INFO] [stderr]    --> src/parser.rs:902:4
[INFO] [stderr]     |
[INFO] [stderr] 902 | fn parse_non_id_parameter(stream: &mut TokenStream) -> Result<(), ParseError> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.41s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbm-4e139265db0b2266)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::parse_correct_program ... ok
[INFO] [stdout] test scanner::tests::tokenize_all_possible_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbm-04b18b26f9890486)
[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] [stderr]      Running tests/parsing.rs (/opt/rustwide/target/debug/deps/parsing-55cf801ef37597cb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parsing_bad ... ok
[INFO] [stdout] test test_parsing_good ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/scanning.rs (/opt/rustwide/target/debug/deps/scanning-af01279eb82985dc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_scanning_bad ... ok
[INFO] [stdout] test test_scanning_good ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.98s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbm
[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" "b91767c77e3efbac438ce7c203f4a8194f0b25faa66e74c0f3bf17cbf72d184a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91767c77e3efbac438ce7c203f4a8194f0b25faa66e74c0f3bf17cbf72d184a", kill_on_drop: false }`
[INFO] [stdout] b91767c77e3efbac438ce7c203f4a8194f0b25faa66e74c0f3bf17cbf72d184a