[INFO] fetching crate ursa 0.3.5...
[INFO] checking ursa-0.3.5 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate ursa 0.3.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ursa 0.3.5 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ursa 0.3.5
[INFO] finished tweaking crates.io crate ursa 0.3.5
[INFO] tweaked toml for crates.io crate ursa 0.3.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--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 secp256k1 v0.17.2
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded ffi-support v0.4.2
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded sha2-asm v0.5.4
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded bytebuffer-rs v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b2bcc8677d2be1f72b57e2cfad08ae7ff7ac4181738b9c4b981b24b57a3b3c2
[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" "0b2bcc8677d2be1f72b57e2cfad08ae7ff7ac4181738b9c4b981b24b57a3b3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2bcc8677d2be1f72b57e2cfad08ae7ff7ac4181738b9c4b981b24b57a3b3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2bcc8677d2be1f72b57e2cfad08ae7ff7ac4181738b9c4b981b24b57a3b3c2", kill_on_drop: false }`
[INFO] [stdout] 0b2bcc8677d2be1f72b57e2cfad08ae7ff7ac4181738b9c4b981b24b57a3b3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] cc918244446cde4dcd3de3e237fe8e80ab2ee773a2e8b80120377f81ed7eddf9
[INFO] running `Command { std: "docker" "start" "-a" "cc918244446cde4dcd3de3e237fe8e80ab2ee773a2e8b80120377f81ed7eddf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v1.0.0
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[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking itoa v0.4.6
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[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling vcpkg v0.2.10
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking miracl_core v1.0.0
[INFO] [stderr]     Checking int_traits v0.1.1
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bytebuffer-rs v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking block-modes v0.4.0
[INFO] [stderr]     Checking polyval v0.4.3
[INFO] [stderr]     Checking poly1305 v0.6.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling zip v0.5.9
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]    Compiling libsodium-ffi v0.2.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking amcl_wrapper v0.4.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking ursa v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "cc918244446cde4dcd3de3e237fe8e80ab2ee773a2e8b80120377f81ed7eddf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc918244446cde4dcd3de3e237fe8e80ab2ee773a2e8b80120377f81ed7eddf9", kill_on_drop: false }`
[INFO] [stdout] cc918244446cde4dcd3de3e237fe8e80ab2ee773a2e8b80120377f81ed7eddf9