[INFO] fetching crate bellman_ce 0.3.5...
[INFO] checking bellman_ce-0.3.5 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate bellman_ce 0.3.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bellman_ce 0.3.5 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bellman_ce 0.3.5
[INFO] finished tweaking crates.io crate bellman_ce 0.3.5
[INFO] tweaked toml for crates.io crate bellman_ce 0.3.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_ce v0.10.3
[INFO] [stderr]   Downloaded ff_derive_ce v0.8.0
[INFO] [stderr]   Downloaded pairing_ce v0.21.1
[INFO] [stderr]   Downloaded prefetch v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] f271957f6b6f46ac4aafd01e671bc18acf805b1d3c4220ae85c80c8ec2f56e83
[INFO] running `Command { std: "docker" "start" "-a" "f271957f6b6f46ac4aafd01e671bc18acf805b1d3c4220ae85c80c8ec2f56e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f271957f6b6f46ac4aafd01e671bc18acf805b1d3c4220ae85c80c8ec2f56e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f271957f6b6f46ac4aafd01e671bc18acf805b1d3c4220ae85c80c8ec2f56e83", kill_on_drop: false }`
[INFO] [stdout] f271957f6b6f46ac4aafd01e671bc18acf805b1d3c4220ae85c80c8ec2f56e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] bdae792c4ef38560806339d396fccb2094e1846baa07a490aec1d587c327c09d
[INFO] running `Command { std: "docker" "start" "-a" "bdae792c4ef38560806339d396fccb2094e1846baa07a490aec1d587c327c09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling ff_derive_ce v0.8.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking ff_ce v0.10.3
[INFO] [stderr]     Checking pairing_ce v0.21.1
[INFO] [stderr]     Checking bellman_ce v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.23s
[INFO] running `Command { std: "docker" "inspect" "bdae792c4ef38560806339d396fccb2094e1846baa07a490aec1d587c327c09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdae792c4ef38560806339d396fccb2094e1846baa07a490aec1d587c327c09d", kill_on_drop: false }`
[INFO] [stdout] bdae792c4ef38560806339d396fccb2094e1846baa07a490aec1d587c327c09d