[INFO] fetching crate blind-rsa-signatures 0.15.0...
[INFO] checking blind-rsa-signatures-0.15.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate blind-rsa-signatures 0.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate blind-rsa-signatures 0.15.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blind-rsa-signatures 0.15.0
[INFO] finished tweaking crates.io crate blind-rsa-signatures 0.15.0
[INFO] tweaked toml for crates.io crate blind-rsa-signatures 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding pem-rfc7468 v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding pkcs1 v0.4.1 (latest: v0.7.5)
[INFO] [stderr]       Adding pkcs8 v0.9.0 (latest: v0.10.2)
[INFO] [stderr]       Adding rsa v0.8.2 (latest: v0.9.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding spki v0.6.0 (latest: v0.7.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64ct v1.6.0
[INFO] [stderr]   Downloaded signature v2.2.0
[INFO] [stderr]   Downloaded hmac-sha256 v1.1.7
[INFO] [stderr]   Downloaded pem-rfc7468 v0.6.0
[INFO] [stderr]   Downloaded spki v0.6.0
[INFO] [stderr]   Downloaded const-oid v0.9.6
[INFO] [stderr]   Downloaded hmac-sha512 v1.1.5
[INFO] [stderr]   Downloaded pkcs8 v0.9.0
[INFO] [stderr]   Downloaded pkcs1 v0.4.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.4
[INFO] [stderr]   Downloaded der v0.6.1
[INFO] [stderr]   Downloaded rsa v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f74779f98ef15a1502e56f00dec58793cbbd5e9d9472f7e45ca1dc934a654c
[INFO] running `Command { std: "docker" "start" "-a" "b1f74779f98ef15a1502e56f00dec58793cbbd5e9d9472f7e45ca1dc934a654c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f74779f98ef15a1502e56f00dec58793cbbd5e9d9472f7e45ca1dc934a654c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f74779f98ef15a1502e56f00dec58793cbbd5e9d9472f7e45ca1dc934a654c", kill_on_drop: false }`
[INFO] [stdout] b1f74779f98ef15a1502e56f00dec58793cbbd5e9d9472f7e45ca1dc934a654c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc9e88a8f9fae1568089a0e2235561bedf8d00b8cb3d14214ae0c4a513de3d9
[INFO] running `Command { std: "docker" "start" "-a" "bcc9e88a8f9fae1568089a0e2235561bedf8d00b8cb3d14214ae0c4a513de3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hmac-sha256 v1.1.7
[INFO] [stderr]     Checking hmac-sha512 v1.1.5
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking rsa v0.8.2
[INFO] [stderr]     Checking blind-rsa-signatures v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "bcc9e88a8f9fae1568089a0e2235561bedf8d00b8cb3d14214ae0c4a513de3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc9e88a8f9fae1568089a0e2235561bedf8d00b8cb3d14214ae0c4a513de3d9", kill_on_drop: false }`
[INFO] [stdout] bcc9e88a8f9fae1568089a0e2235561bedf8d00b8cb3d14214ae0c4a513de3d9
[INFO] checking blind-rsa-signatures-0.15.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate blind-rsa-signatures 0.15.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate blind-rsa-signatures 0.15.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blind-rsa-signatures 0.15.0
[INFO] finished tweaking crates.io crate blind-rsa-signatures 0.15.0
[INFO] tweaked toml for crates.io crate blind-rsa-signatures 0.15.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding pem-rfc7468 v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding pkcs1 v0.4.1 (latest: v0.7.5)
[INFO] [stderr]       Adding pkcs8 v0.9.0 (latest: v0.10.2)
[INFO] [stderr]       Adding rsa v0.8.2 (latest: v0.9.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding spki v0.6.0 (latest: v0.7.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00ff64f3977d974e47c91264e8c1bad8c7b76960795e4e246344407a6bc69173
[INFO] running `Command { std: "docker" "start" "-a" "00ff64f3977d974e47c91264e8c1bad8c7b76960795e4e246344407a6bc69173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ff64f3977d974e47c91264e8c1bad8c7b76960795e4e246344407a6bc69173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ff64f3977d974e47c91264e8c1bad8c7b76960795e4e246344407a6bc69173", kill_on_drop: false }`
[INFO] [stdout] 00ff64f3977d974e47c91264e8c1bad8c7b76960795e4e246344407a6bc69173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1834efc106650e3decb6f9263548b0e897c3f29aa57857fc5a30d35bc3a1e03a
[INFO] running `Command { std: "docker" "start" "-a" "1834efc106650e3decb6f9263548b0e897c3f29aa57857fc5a30d35bc3a1e03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hmac-sha256 v1.1.7
[INFO] [stderr]     Checking hmac-sha512 v1.1.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking rsa v0.8.2
[INFO] [stderr]     Checking blind-rsa-signatures v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "1834efc106650e3decb6f9263548b0e897c3f29aa57857fc5a30d35bc3a1e03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1834efc106650e3decb6f9263548b0e897c3f29aa57857fc5a30d35bc3a1e03a", kill_on_drop: false }`
[INFO] [stdout] 1834efc106650e3decb6f9263548b0e897c3f29aa57857fc5a30d35bc3a1e03a