[INFO] fetching crate nitroglycerin 0.4.5...
[INFO] testing nitroglycerin-0.4.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nitroglycerin 0.4.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nitroglycerin 0.4.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nitroglycerin 0.4.5
[INFO] finished tweaking crates.io crate nitroglycerin 0.4.5
[INFO] tweaked toml for crates.io crate nitroglycerin 0.4.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded nitroglycerin_derive v0.4.2
[INFO] [stderr]   Downloaded rusoto_core v0.47.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded oauth2 v4.1.0
[INFO] [stderr]   Downloaded rusoto_credential v0.47.0
[INFO] [stderr]   Downloaded rusoto_signature v0.47.0
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.4
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.47.0
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] aa05970eddaa7995defe9a4b7f33bfc2c8d41608a62fd87cdb06b43ef7c0ae81
[INFO] running `Command { std: "docker" "start" "-a" "aa05970eddaa7995defe9a4b7f33bfc2c8d41608a62fd87cdb06b43ef7c0ae81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa05970eddaa7995defe9a4b7f33bfc2c8d41608a62fd87cdb06b43ef7c0ae81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa05970eddaa7995defe9a4b7f33bfc2c8d41608a62fd87cdb06b43ef7c0ae81", kill_on_drop: false }`
[INFO] [stdout] aa05970eddaa7995defe9a4b7f33bfc2c8d41608a62fd87cdb06b43ef7c0ae81
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] c863f03264322f83cb9b6dcf394363eaab48809e0226c65840d2355851d87fba
[INFO] running `Command { std: "docker" "start" "-a" "c863f03264322f83cb9b6dcf394363eaab48809e0226c65840d2355851d87fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling nitroglycerin_derive v0.4.2
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling rusoto_credential v0.47.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling rusoto_signature v0.47.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.47.0
[INFO] [stderr]    Compiling nitroglycerin v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.39s
[INFO] running `Command { std: "docker" "inspect" "c863f03264322f83cb9b6dcf394363eaab48809e0226c65840d2355851d87fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c863f03264322f83cb9b6dcf394363eaab48809e0226c65840d2355851d87fba", kill_on_drop: false }`
[INFO] [stdout] c863f03264322f83cb9b6dcf394363eaab48809e0226c65840d2355851d87fba
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32dfc1e33b4c545d0c53297c3afc5d426c6d9fad8fe90cb384c40a40bc06fa58
[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" "32dfc1e33b4c545d0c53297c3afc5d426c6d9fad8fe90cb384c40a40bc06fa58", kill_on_drop: false }`
[INFO] [stderr]    Compiling nitroglycerin v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "32dfc1e33b4c545d0c53297c3afc5d426c6d9fad8fe90cb384c40a40bc06fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dfc1e33b4c545d0c53297c3afc5d426c6d9fad8fe90cb384c40a40bc06fa58", kill_on_drop: false }`
[INFO] [stdout] 32dfc1e33b4c545d0c53297c3afc5d426c6d9fad8fe90cb384c40a40bc06fa58
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ca8538bdddeed2d3129bdef8d202d9d57266c2e262d215d58926f1b4d285adf8
[INFO] running `Command { std: "docker" "start" "-a" "ca8538bdddeed2d3129bdef8d202d9d57266c2e262d215d58926f1b4d285adf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nitroglycerin-995c80c7e78428d6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nitroglycerin
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca8538bdddeed2d3129bdef8d202d9d57266c2e262d215d58926f1b4d285adf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8538bdddeed2d3129bdef8d202d9d57266c2e262d215d58926f1b4d285adf8", kill_on_drop: false }`
[INFO] [stdout] ca8538bdddeed2d3129bdef8d202d9d57266c2e262d215d58926f1b4d285adf8