[INFO] fetching crate rair 0.1.0...
[INFO] testing rair-0.1.0 against 1.52.1 for beta-1.52-2
[INFO] extracting crate rair 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rair 0.1.0 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rair 0.1.0
[INFO] finished tweaking crates.io crate rair 0.1.0
[INFO] tweaked toml for crates.io crate rair 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rair 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca82f8b0098cec7506c8d36a8015101587a3f04190a8b45a0fd0721ae228164
[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" "bca82f8b0098cec7506c8d36a8015101587a3f04190a8b45a0fd0721ae228164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca82f8b0098cec7506c8d36a8015101587a3f04190a8b45a0fd0721ae228164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca82f8b0098cec7506c8d36a8015101587a3f04190a8b45a0fd0721ae228164", kill_on_drop: false }`
[INFO] [stdout] bca82f8b0098cec7506c8d36a8015101587a3f04190a8b45a0fd0721ae228164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd60943f7dffe9b5bf2dbf6b984ce6d6443372bc08414e302424abbb8e40069
[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" "3dd60943f7dffe9b5bf2dbf6b984ce6d6443372bc08414e302424abbb8e40069", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling half v1.4.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling rair-env v0.1.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling rustyline v5.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rustyline-derive v0.2.0
[INFO] [stderr]    Compiling rcmd v0.1.0
[INFO] [stderr]    Compiling rtrees v0.1.0
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling rair-io v0.1.0
[INFO] [stderr]    Compiling rcore v0.1.0
[INFO] [stderr]    Compiling rair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "3dd60943f7dffe9b5bf2dbf6b984ce6d6443372bc08414e302424abbb8e40069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd60943f7dffe9b5bf2dbf6b984ce6d6443372bc08414e302424abbb8e40069", kill_on_drop: false }`
[INFO] [stdout] 3dd60943f7dffe9b5bf2dbf6b984ce6d6443372bc08414e302424abbb8e40069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", 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] 39d602cb66bb65b91d500b6f805a6e7a4ef17dbca5134fd3b6811ae2adf4b833
[INFO] running `Command { std: "docker" "start" "-a" "39d602cb66bb65b91d500b6f805a6e7a4ef17dbca5134fd3b6811ae2adf4b833", kill_on_drop: false }`
[INFO] [stderr]    Compiling rair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "39d602cb66bb65b91d500b6f805a6e7a4ef17dbca5134fd3b6811ae2adf4b833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d602cb66bb65b91d500b6f805a6e7a4ef17dbca5134fd3b6811ae2adf4b833", kill_on_drop: false }`
[INFO] [stdout] 39d602cb66bb65b91d500b6f805a6e7a4ef17dbca5134fd3b6811ae2adf4b833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] e2d814a5c1b21dbec597f478bbe2a0ed65b9a2a46b3b42acd02a0940a6b26eac
[INFO] running `Command { std: "docker" "start" "-a" "e2d814a5c1b21dbec597f478bbe2a0ed65b9a2a46b3b42acd02a0940a6b26eac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rair-753e2bce1725ff4e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test files::test_files::test_history ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2d814a5c1b21dbec597f478bbe2a0ed65b9a2a46b3b42acd02a0940a6b26eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d814a5c1b21dbec597f478bbe2a0ed65b9a2a46b3b42acd02a0940a6b26eac", kill_on_drop: false }`
[INFO] [stdout] e2d814a5c1b21dbec597f478bbe2a0ed65b9a2a46b3b42acd02a0940a6b26eac