[INFO] fetching crate message_verifier 1.1.0...
[INFO] checking message_verifier-1.1.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate message_verifier 1.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate message_verifier 1.1.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate message_verifier 1.1.0
[INFO] finished tweaking crates.io crate message_verifier 1.1.0
[INFO] tweaked toml for crates.io crate message_verifier 1.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af40a959f30c99916d62a1e2b042937ed094bfaf7faf8aa9ef2784d2d357fc65
[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" "af40a959f30c99916d62a1e2b042937ed094bfaf7faf8aa9ef2784d2d357fc65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af40a959f30c99916d62a1e2b042937ed094bfaf7faf8aa9ef2784d2d357fc65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af40a959f30c99916d62a1e2b042937ed094bfaf7faf8aa9ef2784d2d357fc65", kill_on_drop: false }`
[INFO] [stdout] af40a959f30c99916d62a1e2b042937ed094bfaf7faf8aa9ef2784d2d357fc65
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b417c566d3a225db1e27f0153df1879f8a826ec9e284cf1a787e0a3fbe0e20
[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" "f4b417c566d3a225db1e27f0153df1879f8a826ec9e284cf1a787e0a3fbe0e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking message_verifier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]    --> src/lib.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     use std::str;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / error_chain! {
[INFO] [stdout] 59 | |     foreign_links {
[INFO] [stdout] 60 | |         DecodeBase64(FromBase64Error);
[INFO] [stdout] 61 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout] 80 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / error_chain! {
[INFO] [stdout] 59 | |     foreign_links {
[INFO] [stdout] 60 | |         DecodeBase64(FromBase64Error);
[INFO] [stdout] 61 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout] 80 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / error_chain! {
[INFO] [stdout] 59 | |     foreign_links {
[INFO] [stdout] 60 | |         DecodeBase64(FromBase64Error);
[INFO] [stdout] 61 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout] 80 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / error_chain! {
[INFO] [stdout] 59 | |     foreign_links {
[INFO] [stdout] 60 | |         DecodeBase64(FromBase64Error);
[INFO] [stdout] 61 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout] 80 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.18s
[INFO] running `Command { std: "docker" "inspect" "f4b417c566d3a225db1e27f0153df1879f8a826ec9e284cf1a787e0a3fbe0e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b417c566d3a225db1e27f0153df1879f8a826ec9e284cf1a787e0a3fbe0e20", kill_on_drop: false }`
[INFO] [stdout] f4b417c566d3a225db1e27f0153df1879f8a826ec9e284cf1a787e0a3fbe0e20