[INFO] fetching crate tmkms 0.10.0-alpha8...
[INFO] testing tmkms-0.10.0-alpha8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tmkms 0.10.0-alpha8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tmkms 0.10.0-alpha8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tmkms 0.10.0-alpha8
[INFO] finished tweaking crates.io crate tmkms 0.10.0-alpha8
[INFO] tweaked toml for crates.io crate tmkms 0.10.0-alpha8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tmkms 0.10.0-alpha8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 1eb00b6c30d08c18bd1cf148f9ddebb7cc340f074a1f87ddf10bc6cad0826903
[INFO] running `Command { std: "docker" "start" "-a" "1eb00b6c30d08c18bd1cf148f9ddebb7cc340f074a1f87ddf10bc6cad0826903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb00b6c30d08c18bd1cf148f9ddebb7cc340f074a1f87ddf10bc6cad0826903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb00b6c30d08c18bd1cf148f9ddebb7cc340f074a1f87ddf10bc6cad0826903", kill_on_drop: false }`
[INFO] [stdout] 1eb00b6c30d08c18bd1cf148f9ddebb7cc340f074a1f87ddf10bc6cad0826903
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 043a1729c76d2affdc6343f87ec77d2dd3d0324537cab194b75f3a108bc7d87b
[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" "043a1729c76d2affdc6343f87ec77d2dd3d0324537cab194b75f3a108bc7d87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling const-oid v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling canonical-path v2.0.2
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crypto-mac v0.9.1
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling poly1305 v0.6.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling hmac v0.9.0
[INFO] [stderr]    Compiling bitvec v0.18.4
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling prost-amino v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling anomaly v0.2.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling color-backtrace v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling elliptic-curve v0.6.6
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling chacha20 v0.6.0
[INFO] [stderr]    Compiling merlin v2.0.0
[INFO] [stderr]    Compiling hkd32 v0.5.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ecdsa v0.8.5
[INFO] [stderr]    Compiling chacha20poly1305 v0.7.1
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]    Compiling gumdrop v0.7.0
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling k256 v0.5.10
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling secrecy v0.6.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling tendermint-proto v0.17.0-rc3
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling abscissa_core v0.5.2
[INFO] [stderr]    Compiling tendermint v0.17.0-rc3
[INFO] [stderr]    Compiling tmkms v0.10.0-alpha8 (/opt/rustwide/workdir)
[INFO] [stdout] error: please enable one of the following backends with cargo's --features argument: yubihsm, ledgertm, softsign (e.g. --features=yubihsm)
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / compile_error!(
[INFO] [stdout] 8  | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stdout] 9  | |      yubihsm, ledgertm, softsign (e.g. --features=yubihsm)"
[INFO] [stdout] 10 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmkms`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "043a1729c76d2affdc6343f87ec77d2dd3d0324537cab194b75f3a108bc7d87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043a1729c76d2affdc6343f87ec77d2dd3d0324537cab194b75f3a108bc7d87b", kill_on_drop: false }`
[INFO] [stdout] 043a1729c76d2affdc6343f87ec77d2dd3d0324537cab194b75f3a108bc7d87b