[INFO] cloning repository https://github.com/Ajhaa/rusty_url_encoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ajhaa/rusty_url_encoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAjhaa%2Frusty_url_encoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAjhaa%2Frusty_url_encoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5bb494293c98189790d40c629fa127c4b2e3eec
[INFO] checking Ajhaa/rusty_url_encoder against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAjhaa%2Frusty_url_encoder" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ajhaa/rusty_url_encoder on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ajhaa/rusty_url_encoder
[INFO] finished tweaking git repo https://github.com/Ajhaa/rusty_url_encoder
[INFO] tweaked toml for git repo https://github.com/Ajhaa/rusty_url_encoder written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ajhaa/rusty_url_encoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2641df17f6a830f03fd6625069da3d91a341a69b576401ae250ca1d7cffb7619
[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" "2641df17f6a830f03fd6625069da3d91a341a69b576401ae250ca1d7cffb7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2641df17f6a830f03fd6625069da3d91a341a69b576401ae250ca1d7cffb7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2641df17f6a830f03fd6625069da3d91a341a69b576401ae250ca1d7cffb7619", kill_on_drop: false }`
[INFO] [stdout] 2641df17f6a830f03fd6625069da3d91a341a69b576401ae250ca1d7cffb7619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0696ec541918e71fbff66b2e755592ab815e9a36c2878b88c9ddf6dc8bdc526
[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" "b0696ec541918e71fbff66b2e755592ab815e9a36c2878b88c9ddf6dc8bdc526", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_macros v0.7.21
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/phf_macros-0.7.21/src/lib.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stdout]    |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/phf_macros-0.7.21/src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `phf_macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b0696ec541918e71fbff66b2e755592ab815e9a36c2878b88c9ddf6dc8bdc526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0696ec541918e71fbff66b2e755592ab815e9a36c2878b88c9ddf6dc8bdc526", kill_on_drop: false }`
[INFO] [stdout] b0696ec541918e71fbff66b2e755592ab815e9a36c2878b88c9ddf6dc8bdc526