[INFO] fetching crate hg-core 0.0.1...
[INFO] testing hg-core-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate hg-core 0.0.1 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate hg-core 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hg-core 0.0.1
[INFO] finished tweaking crates.io crate hg-core 0.0.1
[INFO] tweaked toml for crates.io crate hg-core 0.0.1 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7975647d5a9f1e8229e9ed8b90a5c6b2cf22c7a3ecc011cf67a58626501dbee
[INFO] running `Command { std: "docker" "start" "-a" "d7975647d5a9f1e8229e9ed8b90a5c6b2cf22c7a3ecc011cf67a58626501dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7975647d5a9f1e8229e9ed8b90a5c6b2cf22c7a3ecc011cf67a58626501dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7975647d5a9f1e8229e9ed8b90a5c6b2cf22c7a3ecc011cf67a58626501dbee", kill_on_drop: false }`
[INFO] [stdout] d7975647d5a9f1e8229e9ed8b90a5c6b2cf22c7a3ecc011cf67a58626501dbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c242922cf39a9f5f91ffd9fde86ebec6bfbd6bb5903b5d876501d1ad6da358cb
[INFO] running `Command { std: "docker" "start" "-a" "c242922cf39a9f5f91ffd9fde86ebec6bfbd6bb5903b5d876501d1ad6da358cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Revision`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "c242922cf39a9f5f91ffd9fde86ebec6bfbd6bb5903b5d876501d1ad6da358cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c242922cf39a9f5f91ffd9fde86ebec6bfbd6bb5903b5d876501d1ad6da358cb", kill_on_drop: false }`
[INFO] [stdout] c242922cf39a9f5f91ffd9fde86ebec6bfbd6bb5903b5d876501d1ad6da358cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a732fd8365a47d0daf35a6f6e465c8633a851b132d16ac3693d9569abf5aeff
[INFO] running `Command { std: "docker" "start" "-a" "5a732fd8365a47d0daf35a6f6e465c8633a851b132d16ac3693d9569abf5aeff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Revision`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Revision`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/test_missing_ancestors.rs:162:16
[INFO] [stdout]     |
[INFO] [stdout] 162 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 163 | |             "Equality assertion failed (left != right)
[INFO] [stdout] 164 | |                 left={:?}
[INFO] [stdout] 165 | |                 right={:?}
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |             self.random_seed,
[INFO] [stdout] 177 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 162 |         panic!(
[INFO] [stdout] 163 |             "Equality assertion failed (left != right)
[INFO] [stdout] 164 |                 left={:?}
[INFO] [stdout] 165 |                 right={:?}
[INFO] [stdout] 166 |                 graph={:?}
[INFO] [stdout] 167 |                 current bases={:?}
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/test_missing_ancestors.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 237 |         panic!(err_msg);
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 237 |         panic!("{}", err_msg);
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 237 |         std::panic::panic_any(err_msg);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "5a732fd8365a47d0daf35a6f6e465c8633a851b132d16ac3693d9569abf5aeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a732fd8365a47d0daf35a6f6e465c8633a851b132d16ac3693d9569abf5aeff", kill_on_drop: false }`
[INFO] [stdout] 5a732fd8365a47d0daf35a6f6e465c8633a851b132d16ac3693d9569abf5aeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebfa268dabd734b0f754238143e8237745b8f7daa1719ac3e81aef8851c7fe40
[INFO] running `Command { std: "docker" "start" "-a" "ebfa268dabd734b0f754238143e8237745b8f7daa1719ac3e81aef8851c7fe40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
[INFO] [stderr]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Revision`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `hg-core` (lib) generated 1 warning
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/test_missing_ancestors.rs:162:16
[INFO] [stderr]     |
[INFO] [stderr] 162 |           panic!(format!(
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 163 | |             "Equality assertion failed (left != right)
[INFO] [stderr] 164 | |                 left={:?}
[INFO] [stderr] 165 | |                 right={:?}
[INFO] [stderr] ...   |
[INFO] [stderr] 176 | |             self.random_seed,
[INFO] [stderr] 177 | |         ));
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 162 |         panic!(
[INFO] [stderr] 163 |             "Equality assertion failed (left != right)
[INFO] [stderr] 164 |                 left={:?}
[INFO] [stderr] 165 |                 right={:?}
[INFO] [stderr] 166 |                 graph={:?}
[INFO] [stderr] 167 |                 current bases={:?}
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/test_missing_ancestors.rs:237:16
[INFO] [stderr]     |
[INFO] [stderr] 237 |         panic!(err_msg);
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 237 |         panic!("{}", err_msg);
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 237 |         std::panic::panic_any(err_msg);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hg-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `hg-core` (test "test_missing_ancestors") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hg-e5c63cb8452ae4d3)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test ancestors::tests::test_contains ... ok
[INFO] [stdout] test ancestors::tests::test_empty ... ok
[INFO] [stdout] test ancestors::tests::test_initrev_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_contains_iter ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_iter_contains ... ok
[INFO] [stdout] test ancestors::tests::test_list_ancestor ... ok
[INFO] [stdout] test ancestors::tests::test_missing_ancestors ... ok
[INFO] [stdout] test ancestors::tests::test_missing_bases ... ok
[INFO] [stdout] test ancestors::tests::test_next_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_missing_remove ... ok
[INFO] [stdout] test ancestors::tests::test_nullrev_input ... ok
[INFO] [stdout] test ancestors::tests::test_peek ... ok
[INFO] [stdout] test ancestors::tests::test_remove_ancestors_from_case1 ... ok
[INFO] [stdout] test dagops::tests::test_heads ... ok
[INFO] [stdout] test dagops::tests::test_retain_heads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_missing_ancestors.rs (/opt/rustwide/target/debug/deps/test_missing_ancestors-4c6623bffe0494b0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_missing_ancestors_compare_naive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hg
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebfa268dabd734b0f754238143e8237745b8f7daa1719ac3e81aef8851c7fe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfa268dabd734b0f754238143e8237745b8f7daa1719ac3e81aef8851c7fe40", kill_on_drop: false }`
[INFO] [stdout] ebfa268dabd734b0f754238143e8237745b8f7daa1719ac3e81aef8851c7fe40
