[INFO] fetching crate rational_extensions 0.4.7...
[INFO] building rational_extensions-0.4.7 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rational_extensions 0.4.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rational_extensions 0.4.7
[INFO] finished tweaking crates.io crate rational_extensions 0.4.7
[INFO] tweaked toml for crates.io crate rational_extensions 0.4.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rational_extensions 0.4.7 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rational_extensions 0.4.7 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 708fd474845ef6036995299647e71c35cac0f90a0d0fffeb1b1848cb7962ba76
[INFO] running `Command { std: "docker" "start" "-a" "708fd474845ef6036995299647e71c35cac0f90a0d0fffeb1b1848cb7962ba76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708fd474845ef6036995299647e71c35cac0f90a0d0fffeb1b1848cb7962ba76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708fd474845ef6036995299647e71c35cac0f90a0d0fffeb1b1848cb7962ba76", kill_on_drop: false }`
[INFO] [stdout] 708fd474845ef6036995299647e71c35cac0f90a0d0fffeb1b1848cb7962ba76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a0c95b32b7308b20f1c42fd9d0955050239dda4e61cf83ba64d919345b08646
[INFO] running `Command { std: "docker" "start" "-a" "3a0c95b32b7308b20f1c42fd9d0955050239dda4e61cf83ba64d919345b08646", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rational_extensions v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "3a0c95b32b7308b20f1c42fd9d0955050239dda4e61cf83ba64d919345b08646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0c95b32b7308b20f1c42fd9d0955050239dda4e61cf83ba64d919345b08646", kill_on_drop: false }`
[INFO] [stdout] 3a0c95b32b7308b20f1c42fd9d0955050239dda4e61cf83ba64d919345b08646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54a9255ffaa449b3eb184230dcde2b9832a14ce188f15cca04e430fa1c9e8be
[INFO] running `Command { std: "docker" "start" "-a" "b54a9255ffaa449b3eb184230dcde2b9832a14ce188f15cca04e430fa1c9e8be", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling rational_extensions v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "b54a9255ffaa449b3eb184230dcde2b9832a14ce188f15cca04e430fa1c9e8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a9255ffaa449b3eb184230dcde2b9832a14ce188f15cca04e430fa1c9e8be", kill_on_drop: false }`
[INFO] [stdout] b54a9255ffaa449b3eb184230dcde2b9832a14ce188f15cca04e430fa1c9e8be