[INFO] cloning repository https://github.com/urugang/create-lang-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urugang/create-lang-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furugang%2Fcreate-lang-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furugang%2Fcreate-lang-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1443b2f41183f242324d59b1e2a8827acf6bbfdd
[INFO] testing urugang/create-lang-with-rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furugang%2Fcreate-lang-with-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urugang/create-lang-with-rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/urugang/create-lang-with-rust
[INFO] finished tweaking git repo https://github.com/urugang/create-lang-with-rust
[INFO] tweaked toml for git repo https://github.com/urugang/create-lang-with-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/urugang/create-lang-with-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fbd98a24cc20b4e980d64081f44385dc97823ec3950ecf3672ffc281ac00b11
[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" "5fbd98a24cc20b4e980d64081f44385dc97823ec3950ecf3672ffc281ac00b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fbd98a24cc20b4e980d64081f44385dc97823ec3950ecf3672ffc281ac00b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbd98a24cc20b4e980d64081f44385dc97823ec3950ecf3672ffc281ac00b11", kill_on_drop: false }`
[INFO] [stdout] 5fbd98a24cc20b4e980d64081f44385dc97823ec3950ecf3672ffc281ac00b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e128f2cf184117c31e20d31a039093b4fed025db2597d0eaa187d9edabaafbb
[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" "7e128f2cf184117c31e20d31a039093b4fed025db2597d0eaa187d9edabaafbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling meetup-2019-02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 [SExp::Ident("+"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:71:64
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     self.binary_op(ByteOp::Add, first, second, rest);
[INFO] [stdout]    |                                                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 [SExp::Ident("-"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:74:64
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     self.binary_op(ByteOp::Sub, first, second, rest);
[INFO] [stdout]    |                                                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 [SExp::Ident("<"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/codegen.rs:77:65
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     self.binary_op(ByteOp::Less, first, second, rest);
[INFO] [stdout]    |                                                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `args` in this scope
[INFO] [stdout]    --> src/codegen.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 [callee, args..] => {
[INFO] [stdout]     |                          ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::env::args;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `args` in this scope
[INFO] [stdout]    --> src/codegen.rs:116:32
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     for arg in args  {
[INFO] [stdout]     |                                ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::env::args;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `args` in this scope
[INFO] [stdout]    --> src/codegen.rs:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     self.emit(ByteOp::Call(args.len()));
[INFO] [stdout]     |                                            ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::env::args;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: half-open range patterns are unstable
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 [SExp::Ident("+"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: half-open range patterns are unstable
[INFO] [stdout]   --> src/codegen.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 [SExp::Ident("-"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: half-open range patterns are unstable
[INFO] [stdout]   --> src/codegen.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 [SExp::Ident("<"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: half-open range patterns are unstable
[INFO] [stdout]    --> src/codegen.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 [callee, args..] => {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 [SExp::Ident("+"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stdout]   --> src/codegen.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 [SExp::Ident("-"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stdout]   --> src/codegen.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 [SExp::Ident("<"), first, second, rest..] => {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stdout]    --> src/codegen.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 [callee, args..] => {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `meetup-2019-02`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7e128f2cf184117c31e20d31a039093b4fed025db2597d0eaa187d9edabaafbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e128f2cf184117c31e20d31a039093b4fed025db2597d0eaa187d9edabaafbb", kill_on_drop: false }`
[INFO] [stdout] 7e128f2cf184117c31e20d31a039093b4fed025db2597d0eaa187d9edabaafbb
