[INFO] fetching crate mtots_core 0.1.2...
[INFO] testing mtots_core-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mtots_core 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mtots_core 0.1.2 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 mtots_core 0.1.2
[INFO] finished tweaking crates.io crate mtots_core 0.1.2
[INFO] tweaked toml for crates.io crate mtots_core 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mtots_core 0.1.2 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 dirs-next v1.0.1
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v6.2.0
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded xref v0.1.1
[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" "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] [stdout] 6b31fbb16468b39d5ac36a48b341b0b6abbe644c7fa7d60ee2d5af57dbea0219
[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" "6b31fbb16468b39d5ac36a48b341b0b6abbe644c7fa7d60ee2d5af57dbea0219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b31fbb16468b39d5ac36a48b341b0b6abbe644c7fa7d60ee2d5af57dbea0219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b31fbb16468b39d5ac36a48b341b0b6abbe644c7fa7d60ee2d5af57dbea0219", kill_on_drop: false }`
[INFO] [stdout] 6b31fbb16468b39d5ac36a48b341b0b6abbe644c7fa7d60ee2d5af57dbea0219
[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=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] 095960a61c874ebf8142a637188c0d98e98fe1d8e1e1cdf36db222af91f7bd41
[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" "095960a61c874ebf8142a637188c0d98e98fe1d8e1e1cdf36db222af91f7bd41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xref v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling mtots_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.81s
[INFO] running `Command { std: "docker" "inspect" "095960a61c874ebf8142a637188c0d98e98fe1d8e1e1cdf36db222af91f7bd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095960a61c874ebf8142a637188c0d98e98fe1d8e1e1cdf36db222af91f7bd41", kill_on_drop: false }`
[INFO] [stdout] 095960a61c874ebf8142a637188c0d98e98fe1d8e1e1cdf36db222af91f7bd41
[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=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] f5bf538dc69cf11e77ace31a5b82c3fdee354c09ae49b581ef2ba68d8b19a1e6
[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" "f5bf538dc69cf11e77ace31a5b82c3fdee354c09ae49b581ef2ba68d8b19a1e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtots_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "f5bf538dc69cf11e77ace31a5b82c3fdee354c09ae49b581ef2ba68d8b19a1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bf538dc69cf11e77ace31a5b82c3fdee354c09ae49b581ef2ba68d8b19a1e6", kill_on_drop: false }`
[INFO] [stdout] f5bf538dc69cf11e77ace31a5b82c3fdee354c09ae49b581ef2ba68d8b19a1e6
[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=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] b3630e18af944a68c61693bfcf608fd7e3cd252327059d0b9aa07dbc299625a1
[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" "b3630e18af944a68c61693bfcf608fd7e3cd252327059d0b9aa07dbc299625a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mtots_core-d769fe04d93615b7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test base::backend::opc::tests::opcode_size ... ok
[INFO] [stdout] test base::frontend::lexer::tests::error_unrecognized ... ok
[INFO] [stdout] test base::frontend::lexer::tests::one_of_each ... ok
[INFO] [stdout] test tests::hello ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mtots-38f1de1c51127b19
[INFO] [stdout] test base::frontend::lexer::tests::grouping_punctuators ... ok
[INFO] [stdout] test base::frontend::lexer::tests::mixed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mtots_core
[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] [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" "b3630e18af944a68c61693bfcf608fd7e3cd252327059d0b9aa07dbc299625a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3630e18af944a68c61693bfcf608fd7e3cd252327059d0b9aa07dbc299625a1", kill_on_drop: false }`
[INFO] [stdout] b3630e18af944a68c61693bfcf608fd7e3cd252327059d0b9aa07dbc299625a1