[INFO] cloning repository https://github.com/nethad/pingduck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nethad/pingduck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26774047dc3196921e37e41f08b7a7a91101cbe9
[INFO] checking nethad/pingduck against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nethad/pingduck on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nethad/pingduck
[INFO] finished tweaking git repo https://github.com/nethad/pingduck
[INFO] tweaked toml for git repo https://github.com/nethad/pingduck written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nethad/pingduck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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-6/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[INFO] the lockfile is outdated, regenerating it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" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/iron/body-parser.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded router v0.1.1
[INFO] [stderr]   Downloaded iron v0.3.1
[INFO] [stderr]   Downloaded quasi v0.16.0
[INFO] [stderr]   Downloaded aster v0.22.1
[INFO] [stderr]   Downloaded serde_macros v0.7.15
[INFO] [stderr]   Downloaded quasi_codegen v0.16.0
[INFO] [stderr]   Downloaded serde_codegen v0.7.15
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded persistent v0.4.0
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded iron v0.2.6
[INFO] [stderr] warning: parsed version requirement `0.2*` is no longer valid
[INFO] [stderr] 
[INFO] [stderr] Previous versions of Cargo accepted this malformed requirement,
[INFO] [stderr] but it is being deprecated. This was found when parsing the manifest
[INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`.
[INFO] [stderr] 
[INFO] [stderr] This will soon become a hard error, so it's either recommended to
[INFO] [stderr] update to a fixed version or contact the upstream maintainer about
[INFO] [stderr] this warning.
[INFO] [stderr] 
[INFO] [stderr]   Downloaded serde_codegen_internals v0.4.0
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded quasi_macros v0.16.0
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded persistent v0.0.9
[INFO] [stderr]   Downloaded serde_json v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f978f0f80ae112f9766b733c5e620794f002c2d519c89e45d9e492bfb16be442
[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" "f978f0f80ae112f9766b733c5e620794f002c2d519c89e45d9e492bfb16be442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f978f0f80ae112f9766b733c5e620794f002c2d519c89e45d9e492bfb16be442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f978f0f80ae112f9766b733c5e620794f002c2d519c89e45d9e492bfb16be442", kill_on_drop: false }`
[INFO] [stdout] f978f0f80ae112f9766b733c5e620794f002c2d519c89e45d9e492bfb16be442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3218458334fd7b5bb3ebc3416a8262c72ed89fe15e1f660f28e70dbfd748bd3
[INFO] running `Command { std: "docker" "start" "-a" "f3218458334fd7b5bb3ebc3416a8262c72ed89fe15e1f660f28e70dbfd748bd3", kill_on_drop: false }`
[INFO] [stderr] warning: parsed version requirement `0.2*` is no longer valid
[INFO] [stderr] 
[INFO] [stderr] Previous versions of Cargo accepted this malformed requirement,
[INFO] [stderr] but it is being deprecated. This was found when parsing the manifest
[INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`.
[INFO] [stderr] 
[INFO] [stderr] This will soon become a hard error, so it's either recommended to
[INFO] [stderr] update to a fixed version or contact the upstream maintainer about
[INFO] [stderr] this warning.
[INFO] [stderr] 
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling aster v0.22.1
[INFO] [stderr]    Compiling serde_codegen v0.7.15
[INFO] [stderr]    Compiling quasi v0.16.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.4.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.16.0/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-iter v0.1.42
[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 `quasi`
[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/serde_codegen_internals-0.4.0/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] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.22.1/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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f3218458334fd7b5bb3ebc3416a8262c72ed89fe15e1f660f28e70dbfd748bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3218458334fd7b5bb3ebc3416a8262c72ed89fe15e1f660f28e70dbfd748bd3", kill_on_drop: false }`
[INFO] [stdout] f3218458334fd7b5bb3ebc3416a8262c72ed89fe15e1f660f28e70dbfd748bd3