[INFO] cloning repository https://github.com/zhenfeizhang/bandersnatch-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhenfeizhang/bandersnatch-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Fbandersnatch-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Fbandersnatch-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eff4fc8dfd4289531fea29cb141de2fadf392a93
[INFO] checking zhenfeizhang/bandersnatch-rust against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Fbandersnatch-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhenfeizhang/bandersnatch-rust on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhenfeizhang/bandersnatch-rust
[INFO] finished tweaking git repo https://github.com/zhenfeizhang/bandersnatch-rust
[INFO] tweaked toml for git repo https://github.com/zhenfeizhang/bandersnatch-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/zhenfeizhang/bandersnatch-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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 ark-relations v0.3.0
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] [stderr]   Downloaded ark-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded ark-curve-constraint-tests v0.3.0
[INFO] [stderr]   Downloaded ark-algebra-test-templates v0.3.0
[INFO] [stderr]   Downloaded blst v0.3.4
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded ark-groth16 v0.3.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] b07afb5e3239b675fb970c163910dbf40b50c27dff19b6395a9516b3aa8e8ecf
[INFO] running `Command { std: "docker" "start" "-a" "b07afb5e3239b675fb970c163910dbf40b50c27dff19b6395a9516b3aa8e8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b07afb5e3239b675fb970c163910dbf40b50c27dff19b6395a9516b3aa8e8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07afb5e3239b675fb970c163910dbf40b50c27dff19b6395a9516b3aa8e8ecf", kill_on_drop: false }`
[INFO] [stdout] b07afb5e3239b675fb970c163910dbf40b50c27dff19b6395a9516b3aa8e8ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc30e5aa8da3325494b8683f3d879204e9cd79ad3964e550ae9edf89f19fa1e
[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" "4bc30e5aa8da3325494b8683f3d879204e9cd79ad3964e550ae9edf89f19fa1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling blst v0.3.4
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-poly v0.3.0
[INFO] [stderr]     Checking ark-snark v0.3.0
[INFO] [stderr]     Checking ark-r1cs-std v0.3.0
[INFO] [stderr]     Checking ark-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-bls12-377 v0.3.0
[INFO] [stderr]     Checking ark-algebra-test-templates v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bls12-377 v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-nonnative-field v0.3.0
[INFO] [stderr]     Checking ark-curve-constraint-tests v0.3.0
[INFO] [stderr]     Checking bandersnatch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ark-crypto-primitives v0.3.0
[INFO] [stderr]     Checking ark-groth16 v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "4bc30e5aa8da3325494b8683f3d879204e9cd79ad3964e550ae9edf89f19fa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc30e5aa8da3325494b8683f3d879204e9cd79ad3964e550ae9edf89f19fa1e", kill_on_drop: false }`
[INFO] [stdout] 4bc30e5aa8da3325494b8683f3d879204e9cd79ad3964e550ae9edf89f19fa1e