[INFO] fetching crate modulo-n-tools 0.2.0...
[INFO] checking modulo-n-tools-0.2.0 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] extracting crate modulo-n-tools 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] finished tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] tweaked toml for crates.io crate modulo-n-tools 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modulo-n-tools 0.2.0 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding test-case v1.2.3 (available: v3.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e40d0a5de163295b97215b035aeb2aae30e8e2ee85e82aeef67fb3935a323f
[INFO] running `Command { std: "docker" "start" "-a" "58e40d0a5de163295b97215b035aeb2aae30e8e2ee85e82aeef67fb3935a323f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e40d0a5de163295b97215b035aeb2aae30e8e2ee85e82aeef67fb3935a323f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e40d0a5de163295b97215b035aeb2aae30e8e2ee85e82aeef67fb3935a323f", kill_on_drop: false }`
[INFO] [stdout] 58e40d0a5de163295b97215b035aeb2aae30e8e2ee85e82aeef67fb3935a323f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e246b4c08b1075617080f45165b10632b39f6f67eb2c182c196aaa948f42a4c
[INFO] running `Command { std: "docker" "start" "-a" "7e246b4c08b1075617080f45165b10632b39f6f67eb2c182c196aaa948f42a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking modulo-n-tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7e246b4c08b1075617080f45165b10632b39f6f67eb2c182c196aaa948f42a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e246b4c08b1075617080f45165b10632b39f6f67eb2c182c196aaa948f42a4c", kill_on_drop: false }`
[INFO] [stdout] 7e246b4c08b1075617080f45165b10632b39f6f67eb2c182c196aaa948f42a4c