[INFO] fetching crate eosio_core 0.2.1...
[INFO] checking eosio_core-0.2.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate eosio_core 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate eosio_core 0.2.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eosio_core 0.2.1
[INFO] finished tweaking crates.io crate eosio_core 0.2.1
[INFO] tweaked toml for crates.io crate eosio_core 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eosio_numstr_macros v0.2.1
[INFO] [stderr]   Downloaded eosio_bytes v0.2.1
[INFO] [stderr]   Downloaded eosio_bytes_derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] e5ee93594991056d1845e39cf8dbff9ebca72fd59d73001fa67df61d7b532894
[INFO] running `Command { std: "docker" "start" "-a" "e5ee93594991056d1845e39cf8dbff9ebca72fd59d73001fa67df61d7b532894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ee93594991056d1845e39cf8dbff9ebca72fd59d73001fa67df61d7b532894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ee93594991056d1845e39cf8dbff9ebca72fd59d73001fa67df61d7b532894", kill_on_drop: false }`
[INFO] [stdout] e5ee93594991056d1845e39cf8dbff9ebca72fd59d73001fa67df61d7b532894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16b64e050d769ac1e407310bcb361e53079275ff0582de9f722d92228c6259b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a16b64e050d769ac1e407310bcb361e53079275ff0582de9f722d92228c6259b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling eosio_numstr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling eosio_bytes_derive v0.2.1
[INFO] [stderr]    Compiling eosio_numstr_macros_impl v0.2.1
[INFO] [stderr]     Checking eosio_numstr_macros v0.2.1
[INFO] [stderr]     Checking eosio_bytes v0.2.1
[INFO] [stderr]     Checking eosio_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/asset.rs:361:31
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/symbol.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.03s
[INFO] running `Command { std: "docker" "inspect" "a16b64e050d769ac1e407310bcb361e53079275ff0582de9f722d92228c6259b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16b64e050d769ac1e407310bcb361e53079275ff0582de9f722d92228c6259b", kill_on_drop: false }`
[INFO] [stdout] a16b64e050d769ac1e407310bcb361e53079275ff0582de9f722d92228c6259b