[INFO] cloning repository https://github.com/lukeasrodgers/rust-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeasrodgers/rust-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c6776efe03ae03c2088e706026546325903bbee
[INFO] testing lukeasrodgers/rust-echo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-echo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukeasrodgers/rust-echo 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/lukeasrodgers/rust-echo
[INFO] finished tweaking git repo https://github.com/lukeasrodgers/rust-echo
[INFO] tweaked toml for git repo https://github.com/lukeasrodgers/rust-echo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lukeasrodgers/rust-echo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0fd5bf13e1d1377ae9fc4cf4e1f40eb4f08350bec51e20d44319259585e976d5
[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" "0fd5bf13e1d1377ae9fc4cf4e1f40eb4f08350bec51e20d44319259585e976d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd5bf13e1d1377ae9fc4cf4e1f40eb4f08350bec51e20d44319259585e976d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd5bf13e1d1377ae9fc4cf4e1f40eb4f08350bec51e20d44319259585e976d5", kill_on_drop: false }`
[INFO] [stdout] 0fd5bf13e1d1377ae9fc4cf4e1f40eb4f08350bec51e20d44319259585e976d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e162479408233eb4364aff8495cc85a23dbffa7fa04db0b4a1e0f42c607286fb
[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" "e162479408233eb4364aff8495cc85a23dbffa7fa04db0b4a1e0f42c607286fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.1.10
[INFO] [stderr]    Compiling getopts v0.1.4
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:864:28
[INFO] [stdout]     |
[INFO] [stdout] 864 |     let mut machine = |&mut: cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]     |                            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.10/src/re.rs:782:46
[INFO] [stdout]     |
[INFO] [stdout] 782 |         let text = re.replace_all(text, |&mut: refs: &Captures| -> String {
[INFO] [stdout]     |                                              ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 | #[derive(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]     |                                ^^^^
[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/regex-0.1.10/src/lib.rs:378:1
[INFO] [stdout]     |
[INFO] [stdout] 378 | extern crate unicode;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `String` in module `fmt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 | impl fmt::String for Fail {
[INFO] [stdout]     |           ^^^^^^ not found in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:565:20
[INFO] [stdout]     |
[INFO] [stdout] 565 |     let mut vals = range(0, n_opts).map(f).collect::<Vec<_>>();
[INFO] [stdout]     |                    ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 89  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:667:14
[INFO] [stdout]     |
[INFO] [stdout] 667 |     for i in range(0, n_opts) {
[INFO] [stdout]     |              ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 89  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.1.4/src/lib.rs:735:22
[INFO] [stdout]     |
[INFO] [stdout] 735 |             for _ in range(0, 24 - rowlen) {
[INFO] [stdout]     |                      ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 89  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` due to 3 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e162479408233eb4364aff8495cc85a23dbffa7fa04db0b4a1e0f42c607286fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e162479408233eb4364aff8495cc85a23dbffa7fa04db0b4a1e0f42c607286fb", kill_on_drop: false }`
[INFO] [stdout] e162479408233eb4364aff8495cc85a23dbffa7fa04db0b4a1e0f42c607286fb