[INFO] fetching crate random-unicode-emoji 1.0.2...
[INFO] building random-unicode-emoji-1.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate random-unicode-emoji 1.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate random-unicode-emoji 1.0.2
[INFO] finished tweaking crates.io crate random-unicode-emoji 1.0.2
[INFO] tweaked toml for crates.io crate random-unicode-emoji 1.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate random-unicode-emoji 1.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate random-unicode-emoji 1.0.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 922c4a494b8449dba52fbed5cbf229a64e0cf552a2c96140eb06fc0328d499b7
[INFO] running `Command { std: "docker" "start" "-a" "922c4a494b8449dba52fbed5cbf229a64e0cf552a2c96140eb06fc0328d499b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "922c4a494b8449dba52fbed5cbf229a64e0cf552a2c96140eb06fc0328d499b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922c4a494b8449dba52fbed5cbf229a64e0cf552a2c96140eb06fc0328d499b7", kill_on_drop: false }`
[INFO] [stdout] 922c4a494b8449dba52fbed5cbf229a64e0cf552a2c96140eb06fc0328d499b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156ac160ebc1a7d9bd1761c8de00df1c765a586dede247653e2306ec634adefb
[INFO] running `Command { std: "docker" "start" "-a" "156ac160ebc1a7d9bd1761c8de00df1c765a586dede247653e2306ec634adefb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling random-unicode-emoji v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "156ac160ebc1a7d9bd1761c8de00df1c765a586dede247653e2306ec634adefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156ac160ebc1a7d9bd1761c8de00df1c765a586dede247653e2306ec634adefb", kill_on_drop: false }`
[INFO] [stdout] 156ac160ebc1a7d9bd1761c8de00df1c765a586dede247653e2306ec634adefb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb09bb40c0cab0b2895189ec46d4a5f9811e49721049e2eec330e595e25bb8f
[INFO] running `Command { std: "docker" "start" "-a" "6cb09bb40c0cab0b2895189ec46d4a5f9811e49721049e2eec330e595e25bb8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-unicode-emoji v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6cb09bb40c0cab0b2895189ec46d4a5f9811e49721049e2eec330e595e25bb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb09bb40c0cab0b2895189ec46d4a5f9811e49721049e2eec330e595e25bb8f", kill_on_drop: false }`
[INFO] [stdout] 6cb09bb40c0cab0b2895189ec46d4a5f9811e49721049e2eec330e595e25bb8f