[INFO] cloning repository https://github.com/bwhetherington/toy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwhetherington/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f6b1fd862a8c137436e6d20c1b74958c09ca030
[INFO] checking bwhetherington/toy-lang against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang" "/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/bwhetherington/toy-lang on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] finished tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] tweaked toml for git repo https://github.com/bwhetherington/toy-lang written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bwhetherington/toy-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ba1fd2ac82085defdf9e62efba7a45717736ca08b98499f31d1892f23c9aa7
[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" "c6ba1fd2ac82085defdf9e62efba7a45717736ca08b98499f31d1892f23c9aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ba1fd2ac82085defdf9e62efba7a45717736ca08b98499f31d1892f23c9aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ba1fd2ac82085defdf9e62efba7a45717736ca08b98499f31d1892f23c9aa7", kill_on_drop: false }`
[INFO] [stdout] c6ba1fd2ac82085defdf9e62efba7a45717736ca08b98499f31d1892f23c9aa7
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ddfe80623c9d4a3095f45fef9e33c67acfb7cbc8bb1f63db39890f9e656e40
[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" "73ddfe80623c9d4a3095f45fef9e33c67acfb7cbc8bb1f63db39890f9e656e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking rscript2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Weak`
[INFO] [stdout]  --> src/runtime/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rc::{Rc, Weak},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ptr`
[INFO] [stdout]  --> src/runtime/engine.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Ptr, Scope, Value,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BuiltinFn`
[INFO] [stdout]  --> src/runtime/env.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::runtime::{BuiltinFn, Scope, Value};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TLResult`, `ptr`
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     common::{TLError, TLResult},
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 13 |     module::{CacheLoader, FileLoader},
[INFO] [stdout] 14 |     runtime::{ptr, Engine},
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Weak`
[INFO] [stdout]  --> src/runtime/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rc::{Rc, Weak},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ptr`
[INFO] [stdout]  --> src/runtime/engine.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Ptr, Scope, Value,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BuiltinFn`
[INFO] [stdout]  --> src/runtime/env.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::runtime::{BuiltinFn, Scope, Value};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TLResult`, `ptr`
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     common::{TLError, TLResult},
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 13 |     module::{CacheLoader, FileLoader},
[INFO] [stdout] 14 |     runtime::{ptr, Engine},
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_pub`
[INFO] [stdout]   --> src/runtime/engine.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |             DStatement::Definition(is_pub, name, value) => {
[INFO] [stdout]    |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_pub`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_pub`
[INFO] [stdout]   --> src/runtime/engine.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |             DStatement::Definition(is_pub, name, value) => {
[INFO] [stdout]    |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_pub`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_with_error`
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_with_error(s: &str, err: &TLError) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_with_error`
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_with_error(s: &str, err: &TLError) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "73ddfe80623c9d4a3095f45fef9e33c67acfb7cbc8bb1f63db39890f9e656e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ddfe80623c9d4a3095f45fef9e33c67acfb7cbc8bb1f63db39890f9e656e40", kill_on_drop: false }`
[INFO] [stdout] 73ddfe80623c9d4a3095f45fef9e33c67acfb7cbc8bb1f63db39890f9e656e40