[INFO] cloning repository https://github.com/blt/file_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/file_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e86f05fb9c2a1c44be002fb9e6d6b97470c7d701
[INFO] checking blt/file_gen against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/file_gen on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blt/file_gen
[INFO] finished tweaking git repo https://github.com/blt/file_gen
[INFO] tweaked toml for git repo https://github.com/blt/file_gen written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/file_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded nonzero_ext v0.2.0
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded utf8-width v0.1.5
[INFO] [stderr]   Downloaded arbitrary v1.0.1
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded governor v0.3.2
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded metrics-util v0.10.0
[INFO] [stderr]   Downloaded rdkafka v0.26.0
[INFO] [stderr]   Downloaded http-serde v1.0.3
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded metrics v0.17.0
[INFO] [stderr]   Downloaded ordered-float v2.7.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.2
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded raw-cpuid v9.1.1
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded hyper v0.14.11
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded byte-unit v4.0.12
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded quanta v0.4.1
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.1
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] [stderr]   Downloaded num_enum v0.5.2
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded metrics-macros v0.4.0
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.6.0
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded tokio v1.10.0
[INFO] [stderr]   Downloaded rdkafka-sys v4.0.0+1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 863e45c11fbcbdf5470005bd671604cd40a98e09bead1f8b47a9dbb01ba6b81a
[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" "863e45c11fbcbdf5470005bd671604cd40a98e09bead1f8b47a9dbb01ba6b81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863e45c11fbcbdf5470005bd671604cd40a98e09bead1f8b47a9dbb01ba6b81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e45c11fbcbdf5470005bd671604cd40a98e09bead1f8b47a9dbb01ba6b81a", kill_on_drop: false }`
[INFO] [stdout] 863e45c11fbcbdf5470005bd671604cd40a98e09bead1f8b47a9dbb01ba6b81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e1cf9e51b87dace032396c28ae547d5b36e8a477671eb30e8affe553e4030e9
[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" "4e1cf9e51b87dace032396c28ae547d5b36e8a477671eb30e8affe553e4030e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling metrics v0.17.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling rdkafka-sys v4.0.0+1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quanta v0.4.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling metrics-macros v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_arbitrary v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking metrics-util v0.10.0
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking governor v0.3.2
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking http-serde v1.0.3
[INFO] [stderr]     Checking byte-unit v4.0.12
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking lading_common v0.4.5 (/opt/rustwide/workdir/lading_common)
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.2
[INFO] [stderr]     Checking num_enum v0.5.2
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.6.0
[INFO] [stderr]     Checking rdkafka v0.26.0
[INFO] [stderr]     Checking lading_blackholes v0.4.5 (/opt/rustwide/workdir/lading_blackholes)
[INFO] [stderr]     Checking lading_generators v0.4.5 (/opt/rustwide/workdir/lading_generators)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "4e1cf9e51b87dace032396c28ae547d5b36e8a477671eb30e8affe553e4030e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1cf9e51b87dace032396c28ae547d5b36e8a477671eb30e8affe553e4030e9", kill_on_drop: false }`
[INFO] [stdout] 4e1cf9e51b87dace032396c28ae547d5b36e8a477671eb30e8affe553e4030e9