[INFO] cloning repository https://github.com/sajuthankappan/urlshortener-rest-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sajuthankappan/urlshortener-rest-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajuthankappan%2Furlshortener-rest-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajuthankappan%2Furlshortener-rest-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1cd2d286d6decf7504312b7ab9e758687b9355f
[INFO] checking sajuthankappan/urlshortener-rest-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajuthankappan%2Furlshortener-rest-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sajuthankappan/urlshortener-rest-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sajuthankappan/urlshortener-rest-rs
[INFO] finished tweaking git repo https://github.com/sajuthankappan/urlshortener-rest-rs
[INFO] tweaked toml for git repo https://github.com/sajuthankappan/urlshortener-rest-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sajuthankappan/urlshortener-rest-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/sajuthankappan/urlshortener-rs`
[INFO] [stderr]     Updating git repository `https://github.com/sajuthankappan/urlshortener-codec-rs`
[INFO] [stderr]     Updating git repository `https://github.com/sajuthankappan/urlshortener-core-rs`
[INFO] [stderr]     Updating git repository `https://github.com/sajuthankappan/urlshortener-data-rs`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79d911ab7a6a47a01a18192828d6dc3e20cd6f146c7c07b66a946289c29f0067
[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" "79d911ab7a6a47a01a18192828d6dc3e20cd6f146c7c07b66a946289c29f0067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d911ab7a6a47a01a18192828d6dc3e20cd6f146c7c07b66a946289c29f0067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d911ab7a6a47a01a18192828d6dc3e20cd6f146c7c07b66a946289c29f0067", kill_on_drop: false }`
[INFO] [stdout] 79d911ab7a6a47a01a18192828d6dc3e20cd6f146c7c07b66a946289c29f0067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c51a5c60cfff3e4849fdec0d416e138a668058f9ea1bc6bd9bc7a7dc545c7a4d
[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" "c51a5c60cfff3e4849fdec0d416e138a668058f9ea1bc6bd9bc7a7dc545c7a4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling serde_codegen_internals v0.8.9
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.27.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling quasi v0.20.1
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_codegen_internals-0.8.9/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_codegen_internals`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.20.1/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c51a5c60cfff3e4849fdec0d416e138a668058f9ea1bc6bd9bc7a7dc545c7a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51a5c60cfff3e4849fdec0d416e138a668058f9ea1bc6bd9bc7a7dc545c7a4d", kill_on_drop: false }`
[INFO] [stdout] c51a5c60cfff3e4849fdec0d416e138a668058f9ea1bc6bd9bc7a7dc545c7a4d