[INFO] cloning repository https://github.com/mattcompiles/duct_tape
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcompiles/duct_tape" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcompiles%2Fduct_tape", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcompiles%2Fduct_tape'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb2513d8dbd2d0034645dcbc7871c5fad7fd42a4
[INFO] testing mattcompiles/duct_tape against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcompiles%2Fduct_tape" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcompiles/duct_tape 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 git repo https://github.com/mattcompiles/duct_tape
[INFO] finished tweaking git repo https://github.com/mattcompiles/duct_tape
[INFO] tweaked toml for git repo https://github.com/mattcompiles/duct_tape written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcompiles/duct_tape already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 1606b7ba3056ab899dd2856a988065eeddd6b1725fa92bad622aad04769298f3
[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" "1606b7ba3056ab899dd2856a988065eeddd6b1725fa92bad622aad04769298f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1606b7ba3056ab899dd2856a988065eeddd6b1725fa92bad622aad04769298f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1606b7ba3056ab899dd2856a988065eeddd6b1725fa92bad622aad04769298f3", kill_on_drop: false }`
[INFO] [stdout] 1606b7ba3056ab899dd2856a988065eeddd6b1725fa92bad622aad04769298f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d63f55b7d5fd1c0436ecafa90ff77c7e93d701205ac244c580c062e741dd2636
[INFO] running `Command { std: "docker" "start" "-a" "d63f55b7d5fd1c0436ecafa90ff77c7e93d701205ac244c580c062e741dd2636", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling retain_mut v0.1.3
[INFO] [stderr]    Compiling node-builtins v0.1.0
[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 owning_ref v0.4.1
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling ordered-float v2.7.0
[INFO] [stderr]    Compiling swc_atoms v0.2.6
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling swc_ecma_transforms_macros v0.2.1
[INFO] [stderr]    Compiling static-map-macro v0.2.1
[INFO] [stderr]    Compiling swc_ecma_codegen_macros v0.5.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling st-map v0.1.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling swc_visit v0.2.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling sourcemap v6.0.1
[INFO] [stderr]    Compiling node-resolve v2.2.0
[INFO] [stderr]    Compiling swc_common v0.10.23
[INFO] [stderr]    Compiling swc_ecma_ast v0.47.0
[INFO] [stderr]    Compiling swc_ecma_visit v0.33.0
[INFO] [stderr]    Compiling swc_ecma_parser v0.61.3
[INFO] [stderr]    Compiling swc_ecma_utils v0.38.0
[INFO] [stderr]    Compiling swc_ecma_loader v0.9.1
[INFO] [stderr]    Compiling swc_ecma_transforms_base v0.20.2
[INFO] [stderr]    Compiling swc_ecma_codegen v0.60.1
[INFO] [stderr]    Compiling swc_ecma_transforms_classes v0.6.0
[INFO] [stderr]    Compiling swc_ecma_transforms_typescript v0.26.0
[INFO] [stderr]    Compiling swc_ecma_transforms_react v0.25.1
[INFO] [stderr]    Compiling swc_ecma_transforms_optimization v0.27.2
[INFO] [stderr]    Compiling swc_ecma_transforms_module v0.24.1
[INFO] [stderr]    Compiling swc_ecma_transforms_proposal v0.24.0
[INFO] [stderr]    Compiling swc_ecma_transforms_compat v0.23.0
[INFO] [stderr]    Compiling swc_ecma_transforms v0.57.0
[INFO] [stderr]    Compiling swc_ecma_preset_env v0.27.0
[INFO] [stderr]    Compiling swc_ecmascript v0.43.0
[INFO] [stderr]    Compiling ducttape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 28s
[INFO] running `Command { std: "docker" "inspect" "d63f55b7d5fd1c0436ecafa90ff77c7e93d701205ac244c580c062e741dd2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63f55b7d5fd1c0436ecafa90ff77c7e93d701205ac244c580c062e741dd2636", kill_on_drop: false }`
[INFO] [stdout] d63f55b7d5fd1c0436ecafa90ff77c7e93d701205ac244c580c062e741dd2636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0dc149ade386fef98ac75dc1c7808c034b374837741985f6fb19b6ab924cdf36
[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" "0dc149ade386fef98ac75dc1c7808c034b374837741985f6fb19b6ab924cdf36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ducttape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "0dc149ade386fef98ac75dc1c7808c034b374837741985f6fb19b6ab924cdf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc149ade386fef98ac75dc1c7808c034b374837741985f6fb19b6ab924cdf36", kill_on_drop: false }`
[INFO] [stdout] 0dc149ade386fef98ac75dc1c7808c034b374837741985f6fb19b6ab924cdf36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 5c69365604b872de56eb84362bec08630f3cb4d3dcd6725060bb85a315b6ca79
[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" "5c69365604b872de56eb84362bec08630f3cb4d3dcd6725060bb85a315b6ca79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ducttape-dbf198b4c2b81f8a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ducttape-15db5e826fb093cc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ducttape
[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 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" "5c69365604b872de56eb84362bec08630f3cb4d3dcd6725060bb85a315b6ca79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c69365604b872de56eb84362bec08630f3cb4d3dcd6725060bb85a315b6ca79", kill_on_drop: false }`
[INFO] [stdout] 5c69365604b872de56eb84362bec08630f3cb4d3dcd6725060bb85a315b6ca79