[INFO] fetching crate edcert-letter 2.0.0...
[INFO] checking edcert-letter-2.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate edcert-letter 2.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate edcert-letter 2.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages
[INFO] [stderr]       Adding chrono v0.2.25 (latest: v0.4.37)
[INFO] [stderr]       Adding libc v0.1.12 (latest: v0.2.153)
[INFO] [stderr]       Adding libsodium-sys v0.0.12 (latest: v0.2.7)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding secrets v0.11.1 (latest: v1.2.0)
[INFO] [stderr]       Adding serde v0.7.15 (latest: v1.0.197)
[INFO] [stderr]       Adding sodiumoxide v0.0.12 (latest: v0.2.7)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded secrets v0.11.1
[INFO] [stderr]   Downloaded libsodium-sys v0.0.12
[INFO] [stderr]   Downloaded edcert v9.0.1
[INFO] [stderr]   Downloaded sodiumoxide v0.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b46db39ed54f872ed08dd095b9afbbdb7da9afe50525d94f375730ab4d285cb
[INFO] running `Command { std: "docker" "start" "-a" "7b46db39ed54f872ed08dd095b9afbbdb7da9afe50525d94f375730ab4d285cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b46db39ed54f872ed08dd095b9afbbdb7da9afe50525d94f375730ab4d285cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b46db39ed54f872ed08dd095b9afbbdb7da9afe50525d94f375730ab4d285cb", kill_on_drop: false }`
[INFO] [stdout] 7b46db39ed54f872ed08dd095b9afbbdb7da9afe50525d94f375730ab4d285cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7bc1607fcdd6b21000dd4c0cf8201189bce063f303c1b0cc58147984e96fbe
[INFO] running `Command { std: "docker" "start" "-a" "9a7bc1607fcdd6b21000dd4c0cf8201189bce063f303c1b0cc58147984e96fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking serde v0.7.15
[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-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[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` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: edcert v9.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9a7bc1607fcdd6b21000dd4c0cf8201189bce063f303c1b0cc58147984e96fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7bc1607fcdd6b21000dd4c0cf8201189bce063f303c1b0cc58147984e96fbe", kill_on_drop: false }`
[INFO] [stdout] 9a7bc1607fcdd6b21000dd4c0cf8201189bce063f303c1b0cc58147984e96fbe