[INFO] fetching crate suffix_cmd 0.1.33...
[INFO] checking suffix_cmd-0.1.33 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate suffix_cmd 0.1.33 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate suffix_cmd 0.1.33 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 crates.io crate suffix_cmd 0.1.33
[INFO] removed path dependency suffix from crates.io crate suffix_cmd 0.1.33
[INFO] finished tweaking crates.io crate suffix_cmd 0.1.33
[INFO] tweaked toml for crates.io crate suffix_cmd 0.1.33 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9a7134e233dae51c1dd08ad6563ece1cc46744c341e822c2ddafe8d24b7222f5
[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" "9a7134e233dae51c1dd08ad6563ece1cc46744c341e822c2ddafe8d24b7222f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7134e233dae51c1dd08ad6563ece1cc46744c341e822c2ddafe8d24b7222f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7134e233dae51c1dd08ad6563ece1cc46744c341e822c2ddafe8d24b7222f5", kill_on_drop: false }`
[INFO] [stdout] 9a7134e233dae51c1dd08ad6563ece1cc46744c341e822c2ddafe8d24b7222f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e10199a8742d43d6b84b7c194e3802de288904475dc9fec2a537e86b72c666b8
[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" "e10199a8742d43d6b84b7c194e3802de288904475dc9fec2a537e86b72c666b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking suffix v1.2.0
[INFO] [stderr]     Checking rustc-serialize v0.2.13
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/serialize.rs:331:26
[INFO] [stdout]     |
[INFO] [stdout] 331 |         s.emit_str(&self[])
[INFO] [stdout]     |                          ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:1046:44
[INFO] [stdout]      |
[INFO] [stdout] 1046 |             Json::String(ref s) => Some(&s[]),
[INFO] [stdout]      |                                            ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:2141:63
[INFO] [stdout]      |
[INFO] [stdout] 2141 |         let idx = match names.iter().position(|n| *n == &name[]) {
[INFO] [stdout]      |                   ----- while parsing this match expression   ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3367:43
[INFO] [stdout]      |
[INFO] [stdout] 3367 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stdout]      |                                           ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3383:43
[INFO] [stdout]      |
[INFO] [stdout] 3383 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stdout]      |                                           ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3423:45
[INFO] [stdout]      |
[INFO] [stdout] 3423 |             let printed = from_utf8(&writer[]).unwrap();
[INFO] [stdout]      |                                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3817:42
[INFO] [stdout]      |
[INFO] [stdout] 3817 |         tree_map.insert("a".to_string(), 1us);
[INFO] [stdout]      |                                          ^^^ invalid suffix `us`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3821:42
[INFO] [stdout]      |
[INFO] [stdout] 3821 |         hash_map.insert("a".to_string(), 1us);
[INFO] [stdout]      |                                          ^^^ invalid suffix `us`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e10199a8742d43d6b84b7c194e3802de288904475dc9fec2a537e86b72c666b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10199a8742d43d6b84b7c194e3802de288904475dc9fec2a537e86b72c666b8", kill_on_drop: false }`
[INFO] [stdout] e10199a8742d43d6b84b7c194e3802de288904475dc9fec2a537e86b72c666b8