[INFO] cloning repository https://github.com/expenses/scale-forwards-compatibility-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/expenses/scale-forwards-compatibility-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fscale-forwards-compatibility-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fscale-forwards-compatibility-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e8f2332f84495017e652551f0f520da0a197461
[INFO] checking expenses/scale-forwards-compatibility-test against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fscale-forwards-compatibility-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/expenses/scale-forwards-compatibility-test on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/expenses/scale-forwards-compatibility-test
[INFO] finished tweaking git repo https://github.com/expenses/scale-forwards-compatibility-test
[INFO] tweaked toml for git repo https://github.com/expenses/scale-forwards-compatibility-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/expenses/scale-forwards-compatibility-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] 69b5bfd8ebd758ee7ad93a791b9fefcec113644dfcf74694aed60c5bc062e9b8
[INFO] running `Command { std: "docker" "start" "-a" "69b5bfd8ebd758ee7ad93a791b9fefcec113644dfcf74694aed60c5bc062e9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b5bfd8ebd758ee7ad93a791b9fefcec113644dfcf74694aed60c5bc062e9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b5bfd8ebd758ee7ad93a791b9fefcec113644dfcf74694aed60c5bc062e9b8", kill_on_drop: false }`
[INFO] [stdout] 69b5bfd8ebd758ee7ad93a791b9fefcec113644dfcf74694aed60c5bc062e9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1871d47b466475521b37eaa6d39fcf4845d45adbf8a374bdd83b57dd32975e44
[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" "1871d47b466475521b37eaa6d39fcf4845d45adbf8a374bdd83b57dd32975e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking scale-forwards-compatibility-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_structs`
[INFO] [stdout]    --> src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn test_structs() -> (version_1::Struct, version_2::Struct, version_3::Struct) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.16s
[INFO] running `Command { std: "docker" "inspect" "1871d47b466475521b37eaa6d39fcf4845d45adbf8a374bdd83b57dd32975e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1871d47b466475521b37eaa6d39fcf4845d45adbf8a374bdd83b57dd32975e44", kill_on_drop: false }`
[INFO] [stdout] 1871d47b466475521b37eaa6d39fcf4845d45adbf8a374bdd83b57dd32975e44