[INFO] crate arc_ast 0.1.0 is already in cache
[INFO] testing arc_ast-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate arc_ast 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arc_ast 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arc_ast 0.1.0
[INFO] finished tweaking crates.io crate arc_ast 0.1.0
[INFO] tweaked toml for crates.io crate arc_ast 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bbd1f89e72c3109478a6da9b8849b9715c1f04c45a2ee804875e0e327746d76
[INFO] running `"docker" "start" "-a" "3bbd1f89e72c3109478a6da9b8849b9715c1f04c45a2ee804875e0e327746d76"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling arc_number v0.1.1
[INFO] [stderr]    Compiling arc_ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ops::IndexMut`
[INFO] [stderr]  --> src/utils/ast_impl.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::VecDeque, ops::IndexMut};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/utils/ast_traits.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::{self, Debug, Display, Error, Formatter},
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `length` is assigned to, but never used
[INFO] [stderr]   --> src/utils/ast_traits.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut length = 0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_length` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `"docker" "inspect" "3bbd1f89e72c3109478a6da9b8849b9715c1f04c45a2ee804875e0e327746d76"`
[INFO] running `"docker" "rm" "-f" "3bbd1f89e72c3109478a6da9b8849b9715c1f04c45a2ee804875e0e327746d76"`
[INFO] [stdout] 3bbd1f89e72c3109478a6da9b8849b9715c1f04c45a2ee804875e0e327746d76
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f50690aa7b19b8d07b084bb83e5e20423727005ec10a04239759eab4faacbd27
[INFO] running `"docker" "start" "-a" "f50690aa7b19b8d07b084bb83e5e20423727005ec10a04239759eab4faacbd27"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arc_ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ops::IndexMut`
[INFO] [stderr]  --> src/utils/ast_impl.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::VecDeque, ops::IndexMut};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/utils/ast_traits.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::{self, Debug, Display, Error, Formatter},
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `length` is assigned to, but never used
[INFO] [stderr]   --> src/utils/ast_traits.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut length = 0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_length` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::IndexMut`
[INFO] [stderr]  --> src/utils/ast_impl.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::VecDeque, ops::IndexMut};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/utils/ast_traits.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::{self, Debug, Display, Error, Formatter},
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `length` is assigned to, but never used
[INFO] [stderr]   --> src/utils/ast_traits.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut length = 0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_length` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "f50690aa7b19b8d07b084bb83e5e20423727005ec10a04239759eab4faacbd27"`
[INFO] running `"docker" "rm" "-f" "f50690aa7b19b8d07b084bb83e5e20423727005ec10a04239759eab4faacbd27"`
[INFO] [stdout] f50690aa7b19b8d07b084bb83e5e20423727005ec10a04239759eab4faacbd27
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5c86886d48c2ad3fa85815a385d7523f103e75c9cd94abbf67013c4c128ba05
[INFO] running `"docker" "start" "-a" "a5c86886d48c2ad3fa85815a385d7523f103e75c9cd94abbf67013c4c128ba05"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `ops::IndexMut`
[INFO] [stderr]  --> src/utils/ast_impl.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::VecDeque, ops::IndexMut};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/utils/ast_traits.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::{self, Debug, Display, Error, Formatter},
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `length` is assigned to, but never used
[INFO] [stderr]   --> src/utils/ast_traits.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut length = 0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_length` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::IndexMut`
[INFO] [stderr]  --> src/utils/ast_impl.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::VecDeque, ops::IndexMut};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/utils/ast_traits.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::{self, Debug, Display, Error, Formatter},
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `length` is assigned to, but never used
[INFO] [stderr]   --> src/utils/ast_traits.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut length = 0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_length` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arc_ast-17073039ee8f3520
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/display-d28899a0b514bd2a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_dict ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/number-07e99d11b31b1246
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests arc_ast
[INFO] [stdout] test test_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a5c86886d48c2ad3fa85815a385d7523f103e75c9cd94abbf67013c4c128ba05"`
[INFO] running `"docker" "rm" "-f" "a5c86886d48c2ad3fa85815a385d7523f103e75c9cd94abbf67013c4c128ba05"`
[INFO] [stdout] a5c86886d48c2ad3fa85815a385d7523f103e75c9cd94abbf67013c4c128ba05