[INFO] fetching crate rags 0.1.0...
[INFO] checking rags-0.1.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate rags 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rags 0.1.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rags 0.1.0
[INFO] finished tweaking crates.io crate rags 0.1.0
[INFO] tweaked toml for crates.io crate rags 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded min-max-heap v1.3.0
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded tempfile v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 440418ac51138249aa81304f08ffea49124b68b46f460118d8f089fa84d8d1ca
[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" "440418ac51138249aa81304f08ffea49124b68b46f460118d8f089fa84d8d1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440418ac51138249aa81304f08ffea49124b68b46f460118d8f089fa84d8d1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440418ac51138249aa81304f08ffea49124b68b46f460118d8f089fa84d8d1ca", kill_on_drop: false }`
[INFO] [stdout] 440418ac51138249aa81304f08ffea49124b68b46f460118d8f089fa84d8d1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ffc4873eeff2397292a3174dff2faf764cdfe781a2762d1c82d1674e093e174
[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" "0ffc4873eeff2397292a3174dff2faf764cdfe781a2762d1c82d1674e093e174", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking min-max-heap v1.3.0
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.31s
[INFO] running `Command { std: "docker" "inspect" "0ffc4873eeff2397292a3174dff2faf764cdfe781a2762d1c82d1674e093e174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffc4873eeff2397292a3174dff2faf764cdfe781a2762d1c82d1674e093e174", kill_on_drop: false }`
[INFO] [stdout] 0ffc4873eeff2397292a3174dff2faf764cdfe781a2762d1c82d1674e093e174