[INFO] fetching crate mailgun46 0.2.0...
[INFO] checking mailgun46-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate mailgun46 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mailgun46 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailgun46 0.2.0
[INFO] finished tweaking crates.io crate mailgun46 0.2.0
[INFO] tweaked toml for crates.io crate mailgun46 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c34e0e7161bf2587328b4c9edfe01ce093636683ef58be8850a6c0cde67a01a6
[INFO] running `Command { std: "docker" "start" "-a" "c34e0e7161bf2587328b4c9edfe01ce093636683ef58be8850a6c0cde67a01a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c34e0e7161bf2587328b4c9edfe01ce093636683ef58be8850a6c0cde67a01a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34e0e7161bf2587328b4c9edfe01ce093636683ef58be8850a6c0cde67a01a6", kill_on_drop: false }`
[INFO] [stdout] c34e0e7161bf2587328b4c9edfe01ce093636683ef58be8850a6c0cde67a01a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0d194ea4c340619bce880f8c1d95fd535a34d09f08aebd3e768e4036c2afa8
[INFO] running `Command { std: "docker" "start" "-a" "ab0d194ea4c340619bce880f8c1d95fd535a34d09f08aebd3e768e4036c2afa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling http-types v2.11.1
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking openssl-sys v0.9.63
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking openssl v0.10.34
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_qs v0.7.2
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking deadpool v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking wiremock v0.5.3
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking mailgun46 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.17s
[INFO] running `Command { std: "docker" "inspect" "ab0d194ea4c340619bce880f8c1d95fd535a34d09f08aebd3e768e4036c2afa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0d194ea4c340619bce880f8c1d95fd535a34d09f08aebd3e768e4036c2afa8", kill_on_drop: false }`
[INFO] [stdout] ab0d194ea4c340619bce880f8c1d95fd535a34d09f08aebd3e768e4036c2afa8