[INFO] fetching crate edcert-letter 2.0.0...
[INFO] checking edcert-letter-2.0.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate edcert-letter 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate edcert-letter 2.0.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsodium-sys v0.0.12
[INFO] [stderr]   Downloaded edcert v9.0.1
[INFO] [stderr]   Downloaded secrets v0.11.1
[INFO] [stderr]   Downloaded sodiumoxide v0.0.12
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36b8e4364bea0053df43e9320707f0ead48f0c2bafa24c311934a1f23cbf221c
[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" "36b8e4364bea0053df43e9320707f0ead48f0c2bafa24c311934a1f23cbf221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36b8e4364bea0053df43e9320707f0ead48f0c2bafa24c311934a1f23cbf221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b8e4364bea0053df43e9320707f0ead48f0c2bafa24c311934a1f23cbf221c", kill_on_drop: false }`
[INFO] [stdout] 36b8e4364bea0053df43e9320707f0ead48f0c2bafa24c311934a1f23cbf221c
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09040fe14ec9920acf17fdfbab5e6507a599f0a92d6ca2eb96faf27f143d9b1
[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" "f09040fe14ec9920acf17fdfbab5e6507a599f0a92d6ca2eb96faf27f143d9b1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libsodium-sys v0.0.12
[INFO] [stderr]     Checking secrets v0.11.1
[INFO] [stderr]     Checking sodiumoxide v0.0.12
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking edcert v9.0.1
[INFO] [stderr]     Checking edcert-letter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "f09040fe14ec9920acf17fdfbab5e6507a599f0a92d6ca2eb96faf27f143d9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09040fe14ec9920acf17fdfbab5e6507a599f0a92d6ca2eb96faf27f143d9b1", kill_on_drop: false }`
[INFO] [stdout] f09040fe14ec9920acf17fdfbab5e6507a599f0a92d6ca2eb96faf27f143d9b1