[INFO] cloning repository https://github.com/a-phillips/Matasano-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-phillips/Matasano-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FMatasano-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FMatasano-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b5470d94f0fc302e20132a70db1da75843eff9e
[INFO] testing a-phillips/Matasano-Rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FMatasano-Rust" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-phillips/Matasano-Rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-phillips/Matasano-Rust
[INFO] finished tweaking git repo https://github.com/a-phillips/Matasano-Rust
[INFO] tweaked toml for git repo https://github.com/a-phillips/Matasano-Rust written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/a-phillips/Matasano-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 957eeaed8d7a3f48ce58fa83ea1331630053ef066cb29ea2ceeb585843611bc2
[INFO] running `Command { std: "docker" "start" "-a" "957eeaed8d7a3f48ce58fa83ea1331630053ef066cb29ea2ceeb585843611bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957eeaed8d7a3f48ce58fa83ea1331630053ef066cb29ea2ceeb585843611bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957eeaed8d7a3f48ce58fa83ea1331630053ef066cb29ea2ceeb585843611bc2", kill_on_drop: false }`
[INFO] [stdout] 957eeaed8d7a3f48ce58fa83ea1331630053ef066cb29ea2ceeb585843611bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f27990a388f539d6823356e12572fbdafa0abfb8f4c309ec0be2aee6936dff
[INFO] running `Command { std: "docker" "start" "-a" "75f27990a388f539d6823356e12572fbdafa0abfb8f4c309ec0be2aee6936dff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.2.7
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.7/src/json.rs:630:39
[INFO] [stdout]     |
[INFO] [stdout] 630 |         let out = str::from_utf8(&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-0.2.7/src/json.rs:901:39
[INFO] [stdout]     |
[INFO] [stdout] 901 |         let out = str::from_utf8(&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-0.2.7/src/json.rs:1054:44
[INFO] [stdout]      |
[INFO] [stdout] 1054 |             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-0.2.7/src/json.rs:2149:63
[INFO] [stdout]      |
[INFO] [stdout] 2149 |         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-0.2.7/src/json.rs:3359:43
[INFO] [stdout]      |
[INFO] [stdout] 3359 |         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-0.2.7/src/json.rs:3375:43
[INFO] [stdout]      |
[INFO] [stdout] 3375 |         let json_str = from_utf8(&mem_buf[]).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-0.2.7/src/json.rs:3410:27
[INFO] [stdout]      |
[INFO] [stdout] 3410 |         for i in range(0, 4us) {
[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: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.7/src/json.rs:3415:45
[INFO] [stdout]      |
[INFO] [stdout] 3415 |             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-0.2.7/src/json.rs:3791:42
[INFO] [stdout]      |
[INFO] [stdout] 3791 |         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-0.2.7/src/json.rs:3795:42
[INFO] [stdout]      |
[INFO] [stdout] 3795 |         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-0.2.7/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 11 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` due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "75f27990a388f539d6823356e12572fbdafa0abfb8f4c309ec0be2aee6936dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f27990a388f539d6823356e12572fbdafa0abfb8f4c309ec0be2aee6936dff", kill_on_drop: false }`
[INFO] [stdout] 75f27990a388f539d6823356e12572fbdafa0abfb8f4c309ec0be2aee6936dff