[INFO] fetching crate numlang 0.1.3...
[INFO] testing numlang-0.1.3 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate numlang 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate numlang 0.1.3
[INFO] finished tweaking crates.io crate numlang 0.1.3
[INFO] tweaked toml for crates.io crate numlang 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numlang 0.1.3 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate numlang 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2976508438c8ada97e0bc8365d832ff932987b5758affed6de412c1d5068e3ce
[INFO] running `Command { std: "docker" "start" "-a" "2976508438c8ada97e0bc8365d832ff932987b5758affed6de412c1d5068e3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2976508438c8ada97e0bc8365d832ff932987b5758affed6de412c1d5068e3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2976508438c8ada97e0bc8365d832ff932987b5758affed6de412c1d5068e3ce", kill_on_drop: false }`
[INFO] [stdout] 2976508438c8ada97e0bc8365d832ff932987b5758affed6de412c1d5068e3ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ece47e6eb358a53f0cb47dbd4032c7ef2251e43e8efaf968780b907f0d2a72a7
[INFO] running `Command { std: "docker" "start" "-a" "ece47e6eb358a53f0cb47dbd4032c7ef2251e43e8efaf968780b907f0d2a72a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling numlang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ece47e6eb358a53f0cb47dbd4032c7ef2251e43e8efaf968780b907f0d2a72a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece47e6eb358a53f0cb47dbd4032c7ef2251e43e8efaf968780b907f0d2a72a7", kill_on_drop: false }`
[INFO] [stdout] ece47e6eb358a53f0cb47dbd4032c7ef2251e43e8efaf968780b907f0d2a72a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2158bbaf4b33e4ab0a5d52caab5dbb9e8cd0b005d8afa0f5c8a320bc50c8e02e
[INFO] running `Command { std: "docker" "start" "-a" "2158bbaf4b33e4ab0a5d52caab5dbb9e8cd0b005d8afa0f5c8a320bc50c8e02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling numlang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "2158bbaf4b33e4ab0a5d52caab5dbb9e8cd0b005d8afa0f5c8a320bc50c8e02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2158bbaf4b33e4ab0a5d52caab5dbb9e8cd0b005d8afa0f5c8a320bc50c8e02e", kill_on_drop: false }`
[INFO] [stdout] 2158bbaf4b33e4ab0a5d52caab5dbb9e8cd0b005d8afa0f5c8a320bc50c8e02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f27bf059a7fa8cae7a3453fb6fc7bbe3f8133db1654ec23883b3e2e63b0239cb
[INFO] running `Command { std: "docker" "start" "-a" "f27bf059a7fa8cae7a3453fb6fc7bbe3f8133db1654ec23883b3e2e63b0239cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/numlang-cee83dce9d1778ca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f27bf059a7fa8cae7a3453fb6fc7bbe3f8133db1654ec23883b3e2e63b0239cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27bf059a7fa8cae7a3453fb6fc7bbe3f8133db1654ec23883b3e2e63b0239cb", kill_on_drop: false }`
[INFO] [stdout] f27bf059a7fa8cae7a3453fb6fc7bbe3f8133db1654ec23883b3e2e63b0239cb