[INFO] fetching crate rustpython-bytecode 0.1.2...
[INFO] checking rustpython-bytecode-0.1.2 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rustpython-bytecode 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustpython-bytecode 0.1.2 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustpython-bytecode 0.1.2
[INFO] finished tweaking crates.io crate rustpython-bytecode 0.1.2
[INFO] tweaked toml for crates.io crate rustpython-bytecode 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c1622db0a093e7c85c160fe1fd243a2ccc7c872d82c5b7639b6fe3e0fcac8ce
[INFO] running `Command { std: "docker" "start" "-a" "2c1622db0a093e7c85c160fe1fd243a2ccc7c872d82c5b7639b6fe3e0fcac8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1622db0a093e7c85c160fe1fd243a2ccc7c872d82c5b7639b6fe3e0fcac8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1622db0a093e7c85c160fe1fd243a2ccc7c872d82c5b7639b6fe3e0fcac8ce", kill_on_drop: false }`
[INFO] [stdout] 2c1622db0a093e7c85c160fe1fd243a2ccc7c872d82c5b7639b6fe3e0fcac8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdc391a03e287483c060ff76fe4e985a01969db02da483d3a731bd3711bb9bfd
[INFO] running `Command { std: "docker" "start" "-a" "cdc391a03e287483c060ff76fe4e985a01969db02da483d3a731bd3711bb9bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lz4-compress v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rustpython-bytecode v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.09s
[INFO] running `Command { std: "docker" "inspect" "cdc391a03e287483c060ff76fe4e985a01969db02da483d3a731bd3711bb9bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc391a03e287483c060ff76fe4e985a01969db02da483d3a731bd3711bb9bfd", kill_on_drop: false }`
[INFO] [stdout] cdc391a03e287483c060ff76fe4e985a01969db02da483d3a731bd3711bb9bfd