[INFO] fetching crate telegrust-histo 0.1.2...
[INFO] testing telegrust-histo-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate telegrust-histo 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate telegrust-histo 0.1.2
[INFO] finished tweaking crates.io crate telegrust-histo 0.1.2
[INFO] tweaked toml for crates.io crate telegrust-histo 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate telegrust-histo 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate telegrust-histo 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc687f51a630f23b6f803b16aac6293e0c94c47d06a8287c579daa3e7f55e88
[INFO] running `Command { std: "docker" "start" "-a" "2fc687f51a630f23b6f803b16aac6293e0c94c47d06a8287c579daa3e7f55e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc687f51a630f23b6f803b16aac6293e0c94c47d06a8287c579daa3e7f55e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc687f51a630f23b6f803b16aac6293e0c94c47d06a8287c579daa3e7f55e88", kill_on_drop: false }`
[INFO] [stdout] 2fc687f51a630f23b6f803b16aac6293e0c94c47d06a8287c579daa3e7f55e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb0c7ad008bd71c3ce713f187d207eb423cb3a81c74aeec5c46e85bb32e6a40
[INFO] running `Command { std: "docker" "start" "-a" "1fb0c7ad008bd71c3ce713f187d207eb423cb3a81c74aeec5c46e85bb32e6a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling plotlib v0.5.1
[INFO] [stderr]    Compiling telegrust-histo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1fb0c7ad008bd71c3ce713f187d207eb423cb3a81c74aeec5c46e85bb32e6a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb0c7ad008bd71c3ce713f187d207eb423cb3a81c74aeec5c46e85bb32e6a40", kill_on_drop: false }`
[INFO] [stdout] 1fb0c7ad008bd71c3ce713f187d207eb423cb3a81c74aeec5c46e85bb32e6a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d37889bfdd85340e08e4fbaccd7e0f526221e01a727ffbd65bb7b57ee4d68728
[INFO] running `Command { std: "docker" "start" "-a" "d37889bfdd85340e08e4fbaccd7e0f526221e01a727ffbd65bb7b57ee4d68728", kill_on_drop: false }`
[INFO] [stderr]    Compiling telegrust-histo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d37889bfdd85340e08e4fbaccd7e0f526221e01a727ffbd65bb7b57ee4d68728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37889bfdd85340e08e4fbaccd7e0f526221e01a727ffbd65bb7b57ee4d68728", kill_on_drop: false }`
[INFO] [stdout] d37889bfdd85340e08e4fbaccd7e0f526221e01a727ffbd65bb7b57ee4d68728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 212472de8fa6565d7baa0e0ac5569cac252de1b220d2e2ded0109f18afe42327
[INFO] running `Command { std: "docker" "start" "-a" "212472de8fa6565d7baa0e0ac5569cac252de1b220d2e2ded0109f18afe42327", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/telegrust_histo-e5bc2327704ed929)
[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" "212472de8fa6565d7baa0e0ac5569cac252de1b220d2e2ded0109f18afe42327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212472de8fa6565d7baa0e0ac5569cac252de1b220d2e2ded0109f18afe42327", kill_on_drop: false }`
[INFO] [stdout] 212472de8fa6565d7baa0e0ac5569cac252de1b220d2e2ded0109f18afe42327