[INFO] fetching crate gemgen 0.2.0...
[INFO] testing gemgen-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate gemgen 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gemgen 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gemgen 0.2.0
[INFO] finished tweaking crates.io crate gemgen 0.2.0
[INFO] tweaked toml for crates.io crate gemgen 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate gemgen 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faee201b3648c6dc52bb1494357fbf45af28c2a364dea39b910c4bd8ca1e1209
[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" "faee201b3648c6dc52bb1494357fbf45af28c2a364dea39b910c4bd8ca1e1209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faee201b3648c6dc52bb1494357fbf45af28c2a364dea39b910c4bd8ca1e1209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faee201b3648c6dc52bb1494357fbf45af28c2a364dea39b910c4bd8ca1e1209", kill_on_drop: false }`
[INFO] [stdout] faee201b3648c6dc52bb1494357fbf45af28c2a364dea39b910c4bd8ca1e1209
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19425091951b4042e14754728299b5bd54bfbb283098fe7c0ea2d8812b5de60f
[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" "19425091951b4042e14754728299b5bd54bfbb283098fe7c0ea2d8812b5de60f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling signature v1.3.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[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-rational v0.2.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.2
[INFO] [stderr]    Compiling secrecy v0.6.0
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]    Compiling parity-scale-codec v1.3.6
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-storage v2.0.1
[INFO] [stderr]    Compiling sp-tracing v2.0.1
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.1
[INFO] [stderr]    Compiling primitive-types v0.7.3
[INFO] [stderr]    Compiling sp-externalities v0.8.1
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.1
[INFO] [stderr]    Compiling sp-core v2.0.1
[INFO] [stderr]    Compiling gemblockchain v0.2.0
[INFO] [stderr]    Compiling gemgen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "19425091951b4042e14754728299b5bd54bfbb283098fe7c0ea2d8812b5de60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19425091951b4042e14754728299b5bd54bfbb283098fe7c0ea2d8812b5de60f", kill_on_drop: false }`
[INFO] [stdout] 19425091951b4042e14754728299b5bd54bfbb283098fe7c0ea2d8812b5de60f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fe539c4814ef19b44de2da450999a1b773691d84a3af01f2a4e784971417703
[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" "0fe539c4814ef19b44de2da450999a1b773691d84a3af01f2a4e784971417703", kill_on_drop: false }`
[INFO] [stderr]    Compiling gemgen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "0fe539c4814ef19b44de2da450999a1b773691d84a3af01f2a4e784971417703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe539c4814ef19b44de2da450999a1b773691d84a3af01f2a4e784971417703", kill_on_drop: false }`
[INFO] [stdout] 0fe539c4814ef19b44de2da450999a1b773691d84a3af01f2a4e784971417703
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] a7fa44f37de29667c9935ee470b2361bd44c509e45b25cec5efd5261fd93a6f7
[INFO] running `Command { std: "docker" "start" "-a" "a7fa44f37de29667c9935ee470b2361bd44c509e45b25cec5efd5261fd93a6f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gemgen-b7bb022a120778e5)
[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" "a7fa44f37de29667c9935ee470b2361bd44c509e45b25cec5efd5261fd93a6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fa44f37de29667c9935ee470b2361bd44c509e45b25cec5efd5261fd93a6f7", kill_on_drop: false }`
[INFO] [stdout] a7fa44f37de29667c9935ee470b2361bd44c509e45b25cec5efd5261fd93a6f7