[INFO] cloning repository https://github.com/rlipscombe/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rlipscombe/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlipscombe%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlipscombe%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b51cd5985c6b76be4e3ab4249e63423bb1e28e
[INFO] testing rlipscombe/rlox against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlipscombe%2Frlox" "/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/rlipscombe/rlox 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 git repo https://github.com/rlipscombe/rlox
[INFO] finished tweaking git repo https://github.com/rlipscombe/rlox
[INFO] tweaked toml for git repo https://github.com/rlipscombe/rlox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rlipscombe/rlox 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 string_cache v0.7.5
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded lalrpop-util v0.18.1
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded clap v3.0.0-beta.1
[INFO] [stderr]   Downloaded lalrpop v0.18.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.1
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded os_str_bytes v2.3.1
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] [stderr]   Downloaded codespan-reporting v0.9.2
[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] 26c4aea67e5ead77722849d6175ff7d82b99fd3d68183f1d53a9a704a4206d2c
[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" "26c4aea67e5ead77722849d6175ff7d82b99fd3d68183f1d53a9a704a4206d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c4aea67e5ead77722849d6175ff7d82b99fd3d68183f1d53a9a704a4206d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c4aea67e5ead77722849d6175ff7d82b99fd3d68183f1d53a9a704a4206d2c", kill_on_drop: false }`
[INFO] [stdout] 26c4aea67e5ead77722849d6175ff7d82b99fd3d68183f1d53a9a704a4206d2c
[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] 4bca0886bef2beaf0065ce4ead1d8723caa7a023199826f6ae6c18d37b0bc7cb
[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" "4bca0886bef2beaf0065ce4ead1d8723caa7a023199826f6ae6c18d37b0bc7cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling codespan-reporting v0.9.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "4bca0886bef2beaf0065ce4ead1d8723caa7a023199826f6ae6c18d37b0bc7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bca0886bef2beaf0065ce4ead1d8723caa7a023199826f6ae6c18d37b0bc7cb", kill_on_drop: false }`
[INFO] [stdout] 4bca0886bef2beaf0065ce4ead1d8723caa7a023199826f6ae6c18d37b0bc7cb
[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] b70212fe2009364af15c040f05b38c102b8ae7b6e5b312b51da1ca429b2f88f7
[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" "b70212fe2009364af15c040f05b38c102b8ae7b6e5b312b51da1ca429b2f88f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "b70212fe2009364af15c040f05b38c102b8ae7b6e5b312b51da1ca429b2f88f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70212fe2009364af15c040f05b38c102b8ae7b6e5b312b51da1ca429b2f88f7", kill_on_drop: false }`
[INFO] [stdout] b70212fe2009364af15c040f05b38c102b8ae7b6e5b312b51da1ca429b2f88f7
[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] 12eb90fbe227068cbe88d10b3a6c743ffa6a8d9a21079cfe0f838812a0bf6b11
[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" "12eb90fbe227068cbe88d10b3a6c743ffa6a8d9a21079cfe0f838812a0bf6b11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-445f65bd573d20ef
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test environment::test::assign_unknown ... ok
[INFO] [stdout] test environment::test::get_outer ... ok
[INFO] [stdout] test environment::test::define_then_get ... ok
[INFO] [stdout] test environment::test::get_unknown ... ok
[INFO] [stdout] test environment::test::define_then_assign_then_get ... ok
[INFO] [stdout] test environment::test::assign_outer ... ok
[INFO] [stdout] test environment::test::define_inner ... ok
[INFO] [stdout] test test::empty_string_literal ... ok
[INFO] [stdout] test test::mul_nil ... ok
[INFO] [stdout] test test::mul_div ... ok
[INFO] [stdout] test test::paren_number ... ok
[INFO] [stdout] test test::paren_empty ... ok
[INFO] [stdout] test test::div_precedence ... ok
[INFO] [stdout] test test::negate_number ... ok
[INFO] [stdout] test test::paren_imbalanced ... ok
[INFO] [stdout] test test::literal_number ... ok
[INFO] [stdout] test test::double_negate_bool ... ok
[INFO] [stdout] test test::cmp_lt ... ok
[INFO] [stdout] test test::repeated_addition ... ok
[INFO] [stdout] test test::negate_bool ... ok
[INFO] [stdout] test test::cmp_gt ... ok
[INFO] [stdout] test test::repeated_subtraction ... ok
[INFO] [stdout] test test::simple_addition ... ok
[INFO] [stdout] test test::cmp_ge ... ok
[INFO] [stdout] test test::print_hello ... ok
[INFO] [stdout] test test::simple_subtraction ... ok
[INFO] [stdout] test test::cmp_eq ... ok
[INFO] [stdout] test test::string_literal ... ok
[INFO] [stdout] test test::cmp_le ... ok
[INFO] [stdout] test test::simple_bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12eb90fbe227068cbe88d10b3a6c743ffa6a8d9a21079cfe0f838812a0bf6b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12eb90fbe227068cbe88d10b3a6c743ffa6a8d9a21079cfe0f838812a0bf6b11", kill_on_drop: false }`
[INFO] [stdout] 12eb90fbe227068cbe88d10b3a6c743ffa6a8d9a21079cfe0f838812a0bf6b11