[INFO] fetching crate pro_lang 3.0.0-rc2...
[INFO] checking pro_lang-3.0.0-rc2 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pro_lang 3.0.0-rc2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pro_lang 3.0.0-rc2 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_lang 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang 3.0.0-rc2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pro_lang_macro v3.0.0-rc2
[INFO] [stderr]   Downloaded pro_storage v3.0.0-rc2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 085b32ce0f0f7d74900ffe17f77cda06bb71c184acc1d6b54d52f338605b1a61
[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" "085b32ce0f0f7d74900ffe17f77cda06bb71c184acc1d6b54d52f338605b1a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "085b32ce0f0f7d74900ffe17f77cda06bb71c184acc1d6b54d52f338605b1a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085b32ce0f0f7d74900ffe17f77cda06bb71c184acc1d6b54d52f338605b1a61", kill_on_drop: false }`
[INFO] [stdout] 085b32ce0f0f7d74900ffe17f77cda06bb71c184acc1d6b54d52f338605b1a61
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--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] 2fd59faac5cc83bc0e0e06205352d4347acd93b71ae761d4335b42a34d64ef1d
[INFO] running `Command { std: "docker" "start" "-a" "2fd59faac5cc83bc0e0e06205352d4347acd93b71ae761d4335b42a34d64ef1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking array-init v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling pro_prelude v3.0.0-rc2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]     Checking pro_allocator v3.0.0-rc2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling pro_storage_derive v3.0.0-rc2
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling pro_lang_ir v3.0.0-rc2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling pro_lang_codegen v3.0.0-rc2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]     Checking tetsy-scale-codec v2.0.1
[INFO] [stderr]     Checking tetsy-scale-info v0.5.1
[INFO] [stderr]     Checking pro_primitives v3.0.0-rc2
[INFO] [stderr]     Checking pro_metadata v3.0.0-rc2
[INFO] [stderr]    Compiling pro_lang_macro v3.0.0-rc2
[INFO] [stderr]     Checking pro_env v3.0.0-rc2
[INFO] [stderr]     Checking pro_storage v3.0.0-rc2
[INFO] [stderr]     Checking pro_lang v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.69s
[INFO] running `Command { std: "docker" "inspect" "2fd59faac5cc83bc0e0e06205352d4347acd93b71ae761d4335b42a34d64ef1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd59faac5cc83bc0e0e06205352d4347acd93b71ae761d4335b42a34d64ef1d", kill_on_drop: false }`
[INFO] [stdout] 2fd59faac5cc83bc0e0e06205352d4347acd93b71ae761d4335b42a34d64ef1d