[INFO] fetching crate edcert-letter 2.0.0...
[INFO] testing edcert-letter-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate edcert-letter 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate edcert-letter 2.0.0 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 edcert-letter 2.0.0
[INFO] finished tweaking crates.io crate edcert-letter 2.0.0
[INFO] tweaked toml for crates.io crate edcert-letter 2.0.0 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b361993c9791f0bc95fb7660076a42ebb5a0820746d0e050f2f749a44e4ebe1d
[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" "b361993c9791f0bc95fb7660076a42ebb5a0820746d0e050f2f749a44e4ebe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b361993c9791f0bc95fb7660076a42ebb5a0820746d0e050f2f749a44e4ebe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b361993c9791f0bc95fb7660076a42ebb5a0820746d0e050f2f749a44e4ebe1d", kill_on_drop: false }`
[INFO] [stdout] b361993c9791f0bc95fb7660076a42ebb5a0820746d0e050f2f749a44e4ebe1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8a8d160a9b051a48eaf2073188db482789d4ebaf1f3cae815fc9fb92fae29ddd
[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" "8a8d160a9b051a48eaf2073188db482789d4ebaf1f3cae815fc9fb92fae29ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling sodiumoxide v0.0.12
[INFO] [stderr]    Compiling edcert v9.0.1
[INFO] [stderr]    Compiling edcert-letter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "8a8d160a9b051a48eaf2073188db482789d4ebaf1f3cae815fc9fb92fae29ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8d160a9b051a48eaf2073188db482789d4ebaf1f3cae815fc9fb92fae29ddd", kill_on_drop: false }`
[INFO] [stdout] 8a8d160a9b051a48eaf2073188db482789d4ebaf1f3cae815fc9fb92fae29ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 63af5176de50c60a6e15a060bf7ba3396ae4d04af9c3e13f07c5c796cf5375dd
[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" "63af5176de50c60a6e15a060bf7ba3396ae4d04af9c3e13f07c5c796cf5375dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling edcert-letter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "63af5176de50c60a6e15a060bf7ba3396ae4d04af9c3e13f07c5c796cf5375dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63af5176de50c60a6e15a060bf7ba3396ae4d04af9c3e13f07c5c796cf5375dd", kill_on_drop: false }`
[INFO] [stdout] 63af5176de50c60a6e15a060bf7ba3396ae4d04af9c3e13f07c5c796cf5375dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 099183cf52242179bc3e46190d436b006acdaf31c477712137c903f3d3d128b1
[INFO] running `Command { std: "docker" "start" "-a" "099183cf52242179bc3e46190d436b006acdaf31c477712137c903f3d3d128b1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/edcert_letter-b6510ea030013e41)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test letter::test_deref ... ok
[INFO] [stdout] test letter::test_simple ... ok
[INFO] [stdout] test letter::test_certificate ... ok
[INFO] [stderr]    Doc-tests edcert-letter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "099183cf52242179bc3e46190d436b006acdaf31c477712137c903f3d3d128b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099183cf52242179bc3e46190d436b006acdaf31c477712137c903f3d3d128b1", kill_on_drop: false }`
[INFO] [stdout] 099183cf52242179bc3e46190d436b006acdaf31c477712137c903f3d3d128b1