[INFO] fetching crate factom 2.1.1...
[INFO] testing factom-2.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate factom 2.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate factom 2.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate factom 2.1.1
[INFO] finished tweaking crates.io crate factom 2.1.1
[INFO] tweaked toml for crates.io crate factom 2.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate factom 2.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d38a4397b2c6f91b1f99b6947d4d0711bbca88d19a09820c69af17cc720300ac
[INFO] running `"docker" "start" "-a" "d38a4397b2c6f91b1f99b6947d4d0711bbca88d19a09820c69af17cc720300ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling http-body v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.0
[INFO] [stderr]    Compiling hyper-tls v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling factom v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "d38a4397b2c6f91b1f99b6947d4d0711bbca88d19a09820c69af17cc720300ac"`
[INFO] running `"docker" "rm" "-f" "d38a4397b2c6f91b1f99b6947d4d0711bbca88d19a09820c69af17cc720300ac"`
[INFO] [stdout] d38a4397b2c6f91b1f99b6947d4d0711bbca88d19a09820c69af17cc720300ac
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 314160dc9782ee4ace4afecedb2fd7ee86eb4ac420810fc05c974c4b4fbffcef
[INFO] running `"docker" "start" "-a" "314160dc9782ee4ace4afecedb2fd7ee86eb4ac420810fc05c974c4b4fbffcef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling factom v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `factom`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mod --edition=2018 tests/mod.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="tokio"' --cfg 'feature="tokio-executor"' -C metadata=73730fa38bddad45 -C extra-filename=-73730fa38bddad45 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bs58=/opt/rustwide/target/debug/deps/libbs58-8ecafe7012df7d41.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-650768a26d9f690b.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f38dc3c2a15dea9e.rlib --extern factom=/opt/rustwide/target/debug/deps/libfactom-207b7dcca3ab73f0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-869a21f2dcaf16ea.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-0a11f02431b9194b.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-9d87e3243b63f4df.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-d820c3cf07f9e07f.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-11299f42c569897c.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-74d16980d2922cbc.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-c5c460509c2af327.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f89dca920246a153.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-18363845bb698461.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-530e0f29cb34e7ae.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ee9e69fa46de885a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-60b4d621ed540fb0.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-3338a3f5e8937841.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-afeb55eff9cc2e0e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `factom`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name create_entry --edition=2018 examples/create_entry.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="tokio"' --cfg 'feature="tokio-executor"' -C metadata=56e940fe41d44ebf -C extra-filename=-56e940fe41d44ebf --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bs58=/opt/rustwide/target/debug/deps/libbs58-8ecafe7012df7d41.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-650768a26d9f690b.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f38dc3c2a15dea9e.rlib --extern factom=/opt/rustwide/target/debug/deps/libfactom-207b7dcca3ab73f0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-869a21f2dcaf16ea.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-0a11f02431b9194b.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-9d87e3243b63f4df.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-d820c3cf07f9e07f.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-11299f42c569897c.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-74d16980d2922cbc.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-c5c460509c2af327.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f89dca920246a153.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-18363845bb698461.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-530e0f29cb34e7ae.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ee9e69fa46de885a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-60b4d621ed540fb0.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-3338a3f5e8937841.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-afeb55eff9cc2e0e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `factom`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ecaddresses --edition=2018 examples/ecaddresses.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="tokio"' --cfg 'feature="tokio-executor"' -C metadata=03f7bd1528b526c7 -C extra-filename=-03f7bd1528b526c7 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bs58=/opt/rustwide/target/debug/deps/libbs58-8ecafe7012df7d41.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-650768a26d9f690b.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f38dc3c2a15dea9e.rlib --extern factom=/opt/rustwide/target/debug/deps/libfactom-207b7dcca3ab73f0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-869a21f2dcaf16ea.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-0a11f02431b9194b.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-9d87e3243b63f4df.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-d820c3cf07f9e07f.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-11299f42c569897c.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-74d16980d2922cbc.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-c5c460509c2af327.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f89dca920246a153.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-18363845bb698461.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-530e0f29cb34e7ae.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ee9e69fa46de885a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-60b4d621ed540fb0.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-3338a3f5e8937841.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-afeb55eff9cc2e0e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "314160dc9782ee4ace4afecedb2fd7ee86eb4ac420810fc05c974c4b4fbffcef"`
[INFO] running `"docker" "rm" "-f" "314160dc9782ee4ace4afecedb2fd7ee86eb4ac420810fc05c974c4b4fbffcef"`
[INFO] [stdout] 314160dc9782ee4ace4afecedb2fd7ee86eb4ac420810fc05c974c4b4fbffcef