[INFO] fetching crate polynomial-ring 0.3.2...
[INFO] checking polynomial-ring-0.3.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate polynomial-ring 0.3.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.3.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-ring 0.3.2
[INFO] finished tweaking crates.io crate polynomial-ring 0.3.2
[INFO] tweaked toml for crates.io crate polynomial-ring 0.3.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 auto_ops v0.3.0
[INFO] [stderr]   Downloaded ring-algorithm v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4def7f1e0d8af6f31e231423f6596bd1dff881f33ab86f40fe26e639c884979f
[INFO] running `Command { std: "docker" "start" "-a" "4def7f1e0d8af6f31e231423f6596bd1dff881f33ab86f40fe26e639c884979f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4def7f1e0d8af6f31e231423f6596bd1dff881f33ab86f40fe26e639c884979f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4def7f1e0d8af6f31e231423f6596bd1dff881f33ab86f40fe26e639c884979f", kill_on_drop: false }`
[INFO] [stdout] 4def7f1e0d8af6f31e231423f6596bd1dff881f33ab86f40fe26e639c884979f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85bf23c9e444b96849a4aad36e926d0467108fded7d3e2f8f19098a9d4dff272
[INFO] running `Command { std: "docker" "start" "-a" "85bf23c9e444b96849a4aad36e926d0467108fded7d3e2f8f19098a9d4dff272", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking auto_ops v0.3.0
[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 num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ring-algorithm v0.3.0
[INFO] [stderr]     Checking polynomial-ring v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "85bf23c9e444b96849a4aad36e926d0467108fded7d3e2f8f19098a9d4dff272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85bf23c9e444b96849a4aad36e926d0467108fded7d3e2f8f19098a9d4dff272", kill_on_drop: false }`
[INFO] [stdout] 85bf23c9e444b96849a4aad36e926d0467108fded7d3e2f8f19098a9d4dff272