[INFO] fetching crate ssb-multiformats 0.4.0...
[INFO] testing ssb-multiformats-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ssb-multiformats 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ssb-multiformats 0.4.0 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 ssb-multiformats 0.4.0
[INFO] finished tweaking crates.io crate ssb-multiformats 0.4.0
[INFO] tweaked toml for crates.io crate ssb-multiformats 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ssb-multiformats 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25ba9ce36d91def4b6497cc31bd039fc6b46cd2e3088cd9f9839a54547dac9af
[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" "25ba9ce36d91def4b6497cc31bd039fc6b46cd2e3088cd9f9839a54547dac9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ba9ce36d91def4b6497cc31bd039fc6b46cd2e3088cd9f9839a54547dac9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ba9ce36d91def4b6497cc31bd039fc6b46cd2e3088cd9f9839a54547dac9af", kill_on_drop: false }`
[INFO] [stdout] 25ba9ce36d91def4b6497cc31bd039fc6b46cd2e3088cd9f9839a54547dac9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5e541377cbe5b125629706dbeffade90f178a9111769e969393f14a0d8baca72
[INFO] running `Command { std: "docker" "start" "-a" "5e541377cbe5b125629706dbeffade90f178a9111769e969393f14a0d8baca72", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ed25519 v1.0.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling stream-cipher v0.4.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.9.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling poly1305 v0.6.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling hmac v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling salsa20 v0.5.2
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.4.2
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling ssb-crypto v0.2.1
[INFO] [stderr]    Compiling ssb-multiformats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.35s
[INFO] running `Command { std: "docker" "inspect" "5e541377cbe5b125629706dbeffade90f178a9111769e969393f14a0d8baca72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e541377cbe5b125629706dbeffade90f178a9111769e969393f14a0d8baca72", kill_on_drop: false }`
[INFO] [stdout] 5e541377cbe5b125629706dbeffade90f178a9111769e969393f14a0d8baca72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] eaa8a7669271b16528ca9ce942fab20974e9e313d119c43d281a4ad3f2cbfafd
[INFO] running `Command { std: "docker" "start" "-a" "eaa8a7669271b16528ca9ce942fab20974e9e313d119c43d281a4ad3f2cbfafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssb-multiformats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "eaa8a7669271b16528ca9ce942fab20974e9e313d119c43d281a4ad3f2cbfafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa8a7669271b16528ca9ce942fab20974e9e313d119c43d281a4ad3f2cbfafd", kill_on_drop: false }`
[INFO] [stdout] eaa8a7669271b16528ca9ce942fab20974e9e313d119c43d281a4ad3f2cbfafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 779197b3eeca3016a3e010704fc87ad7f2e23198e19f0bb37a474505f6acf63a
[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" "779197b3eeca3016a3e010704fc87ad7f2e23198e19f0bb37a474505f6acf63a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ssb_multiformats-b8fb39ec1013f7dc
[INFO] [stdout] test multibox::test_from_legacy ... ok
[INFO] [stderr]    Doc-tests ssb-multiformats
[INFO] [stdout] test multihash::test_from_legacy ... ok
[INFO] [stdout] test multibox::test_to_legacy ... ok
[INFO] [stdout] test multikey::test_from_legacy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "779197b3eeca3016a3e010704fc87ad7f2e23198e19f0bb37a474505f6acf63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779197b3eeca3016a3e010704fc87ad7f2e23198e19f0bb37a474505f6acf63a", kill_on_drop: false }`
[INFO] [stdout] 779197b3eeca3016a3e010704fc87ad7f2e23198e19f0bb37a474505f6acf63a