[INFO] cloning repository https://github.com/anderspitman/assg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderspitman/assg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72659a062c7e406cb555ee2d9a0a073a0a937309
[INFO] checking anderspitman/assg against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anderspitman/assg 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 git repo https://github.com/anderspitman/assg
[INFO] finished tweaking git repo https://github.com/anderspitman/assg
[INFO] tweaked toml for git repo https://github.com/anderspitman/assg written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anderspitman/assg already has a lockfile, it will not be regenerated
[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 serde v1.0.66
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded shared_child v0.3.2
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded duct v0.10.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded syntect v2.1.0
[INFO] [stderr]   Downloaded onig v3.2.2
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded chrono v0.4.3
[INFO] [stderr]   Downloaded plist v0.2.4
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded serde_json v1.0.21
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] [stderr]   Downloaded os_pipe v0.6.1
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded onig_sys v68.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 846cfeab7eff0971bf4cfd8f7ecc303915a89e75f31769152a772f584c2a5ab9
[INFO] running `Command { std: "docker" "start" "-a" "846cfeab7eff0971bf4cfd8f7ecc303915a89e75f31769152a772f584c2a5ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846cfeab7eff0971bf4cfd8f7ecc303915a89e75f31769152a772f584c2a5ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846cfeab7eff0971bf4cfd8f7ecc303915a89e75f31769152a772f584c2a5ab9", kill_on_drop: false }`
[INFO] [stdout] 846cfeab7eff0971bf4cfd8f7ecc303915a89e75f31769152a772f584c2a5ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 55664b51ba8b5830d7b92e43d6d24ffbbff9add009346885801551b65ad628b8
[INFO] running `Command { std: "docker" "start" "-a" "55664b51ba8b5830d7b92e43d6d24ffbbff9add009346885801551b65ad628b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling onig_sys v68.0.1
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking assg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "55664b51ba8b5830d7b92e43d6d24ffbbff9add009346885801551b65ad628b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55664b51ba8b5830d7b92e43d6d24ffbbff9add009346885801551b65ad628b8", kill_on_drop: false }`
[INFO] [stdout] 55664b51ba8b5830d7b92e43d6d24ffbbff9add009346885801551b65ad628b8