[INFO] crate rhai 0.17.0 is already in cache
[INFO] testing rhai-0.17.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rhai 0.17.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rhai 0.17.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhai 0.17.0
[INFO] finished tweaking crates.io crate rhai 0.17.0
[INFO] tweaked toml for crates.io crate rhai 0.17.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rhai 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974bb83d8d9a13da7d0f2383eed4f6ad4f8d01092619a6d5565665950e04111c
[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" "974bb83d8d9a13da7d0f2383eed4f6ad4f8d01092619a6d5565665950e04111c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974bb83d8d9a13da7d0f2383eed4f6ad4f8d01092619a6d5565665950e04111c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974bb83d8d9a13da7d0f2383eed4f6ad4f8d01092619a6d5565665950e04111c", kill_on_drop: false }`
[INFO] [stdout] 974bb83d8d9a13da7d0f2383eed4f6ad4f8d01092619a6d5565665950e04111c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d46417f772a00b300ca06d7acbbf2ee07cf9685810b294070cae881e31a927
[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" "38d46417f772a00b300ca06d7acbbf2ee07cf9685810b294070cae881e31a927", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhai v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/fn_native.rs:10:80
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::stdlib::{boxed::Box, convert::TryFrom, fmt, rc::Rc, string::String, sync::Arc};
[INFO] [stdout]    |                                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stdlib::sync::RwLock`
[INFO] [stdout]   --> src/module.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::stdlib::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::math_basic::MAX_INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::math_basic::MAX_INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::module::FuncReturn`
[INFO] [stdout]  --> src/packages/time_basic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::module::FuncReturn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parser::INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Position`
[INFO] [stdout]  --> src/packages/time_basic.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_unchecked`
[INFO] [stdout]   --> src/fn_native.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) fn new_unchecked<S: Into<ImmutableString>>(name: S) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shl_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:170:15
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) fn shl_u<T: Shl<T>>(x: T, y: T) -> FuncReturn<<T as Shl<T>>::Output> {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shr_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) fn shr_u<T: Shr<T>>(x: T, y: T) -> FuncReturn<<T as Shr<T>>::Output> {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pow_i_i_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:228:15
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub(crate) fn pow_i_i_u(x: INT, y: INT) -> FuncReturn<INT> {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_iter`
[INFO] [stdout]   --> src/packages/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn contains_iter(&self, id: TypeId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/engine.rs:712:17
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 mem::replace(args.get_mut(0).unwrap(), this_pointer);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.63s
[INFO] running `Command { std: "docker" "inspect" "38d46417f772a00b300ca06d7acbbf2ee07cf9685810b294070cae881e31a927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d46417f772a00b300ca06d7acbbf2ee07cf9685810b294070cae881e31a927", kill_on_drop: false }`
[INFO] [stdout] 38d46417f772a00b300ca06d7acbbf2ee07cf9685810b294070cae881e31a927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69f9c0cb464842a79032dd5928543869083b781c5a644991d30346cb2f05a5ba
[INFO] running `Command { std: "docker" "start" "-a" "69f9c0cb464842a79032dd5928543869083b781c5a644991d30346cb2f05a5ba", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/fn_native.rs:10:80
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::stdlib::{boxed::Box, convert::TryFrom, fmt, rc::Rc, string::String, sync::Arc};
[INFO] [stdout]    |                                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stdlib::sync::RwLock`
[INFO] [stdout]   --> src/module.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::stdlib::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::math_basic::MAX_INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::math_basic::MAX_INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::module::FuncReturn`
[INFO] [stdout]  --> src/packages/time_basic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::module::FuncReturn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parser::INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Position`
[INFO] [stdout]  --> src/packages/time_basic.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_unchecked`
[INFO] [stdout]   --> src/fn_native.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) fn new_unchecked<S: Into<ImmutableString>>(name: S) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shl_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:170:15
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) fn shl_u<T: Shl<T>>(x: T, y: T) -> FuncReturn<<T as Shl<T>>::Output> {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shr_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) fn shr_u<T: Shr<T>>(x: T, y: T) -> FuncReturn<<T as Shr<T>>::Output> {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pow_i_i_u`
[INFO] [stdout]    --> src/packages/arithmetic.rs:228:15
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub(crate) fn pow_i_i_u(x: INT, y: INT) -> FuncReturn<INT> {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_iter`
[INFO] [stdout]   --> src/packages/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn contains_iter(&self, id: TypeId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/engine.rs:712:17
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 mem::replace(args.get_mut(0).unwrap(), this_pointer);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rhai v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/fn_native.rs:10:80
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::stdlib::{boxed::Box, convert::TryFrom, fmt, rc::Rc, string::String, sync::Arc};
[INFO] [stdout]    |                                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stdlib::sync::RwLock`
[INFO] [stdout]   --> src/module.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::stdlib::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::math_basic::MAX_INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::math_basic::MAX_INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::module::FuncReturn`
[INFO] [stdout]  --> src/packages/time_basic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::module::FuncReturn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::INT`
[INFO] [stdout]  --> src/packages/time_basic.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parser::INT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Position`
[INFO] [stdout]  --> src/packages/time_basic.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhai`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rhai --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=5bcc15b73f03f536 -C extra-filename=-5bcc15b73f03f536 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a4049703dfa73e00.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69f9c0cb464842a79032dd5928543869083b781c5a644991d30346cb2f05a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f9c0cb464842a79032dd5928543869083b781c5a644991d30346cb2f05a5ba", kill_on_drop: false }`
[INFO] [stdout] 69f9c0cb464842a79032dd5928543869083b781c5a644991d30346cb2f05a5ba