[INFO] fetching crate hg-core 0.0.1...
[INFO] building hg-core-0.0.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate hg-core 0.0.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate hg-core 0.0.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116877f100d67503e313b1a651035c57129862820bb7e82607e9b8b67abd5415
[INFO] running `Command { std: "docker" "start" "-a" "116877f100d67503e313b1a651035c57129862820bb7e82607e9b8b67abd5415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116877f100d67503e313b1a651035c57129862820bb7e82607e9b8b67abd5415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116877f100d67503e313b1a651035c57129862820bb7e82607e9b8b67abd5415", kill_on_drop: false }`
[INFO] [stdout] 116877f100d67503e313b1a651035c57129862820bb7e82607e9b8b67abd5415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ad474bceae8c6a2a7bf49e0155ddd724a3b56a35416137c149971e406a12b5
[INFO] running `Command { std: "docker" "start" "-a" "09ad474bceae8c6a2a7bf49e0155ddd724a3b56a35416137c149971e406a12b5", 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "09ad474bceae8c6a2a7bf49e0155ddd724a3b56a35416137c149971e406a12b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ad474bceae8c6a2a7bf49e0155ddd724a3b56a35416137c149971e406a12b5", kill_on_drop: false }`
[INFO] [stdout] 09ad474bceae8c6a2a7bf49e0155ddd724a3b56a35416137c149971e406a12b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ade31fbc5a2b0b56e79178ac16efa113caf455887b23a576c8c4be21eef9ae
[INFO] running `Command { std: "docker" "start" "-a" "85ade31fbc5a2b0b56e79178ac16efa113caf455887b23a576c8c4be21eef9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (75b84863966839e5, 8a92c743b00988cf), 0, 0
[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] SG_CR_Eslkdjf: autocfg, (7e2d6cfdc7efe119, d6509b5afc61ad7c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (c03c2d1bb5db281c, f36d1db23f0cffb0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (a1a50b3b34f3ebbc, 950454c84025fe3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_core, (aa33eb8b8ad39903, f8813b30f0e0c583), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (bd87efb8b5ea612, 49b7c9456159e2d7), 0, 0
[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] SG_CR_Eslkdjf: autocfg, (d500fb7779572652, 39bbcd882291c296), 0, 0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr] SG_CR_Eslkdjf: rand_xorshift, (16d710514bdb269c, 7480efeaca8945b3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_os, (9ec5d742efd126d4, 5ba081b975b4d95d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_os, (2597321546c805f, 174c390a70c74a32), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_os, (dd32afcb50ce9dd, 9692f9a1feca2b3a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_os, (22bc60eaa36a6dbf, a83dda63ae6e9df7), 0, 0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (a54edb055147664b, 14d2c6eb58a40a7f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (701cd9b8ddf6f568, 5db6e99679c1ee59), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (53d6194ab75a21a3, f461d0ad2209a1bc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (19aa92f5217d1b53, f280019893737c1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (637561e1db1e899a, 76072c429d72a501), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand_isaac, (77a10c1fa6afdb44, 2b0a1e8bb10817fe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (6d05f5ef0d641fe2, cf61282b81644781), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (e75819c1d6ebf6e9, 7c3649a4f9f05a78), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (fadd488df32a855d, 96a0d86c0ca1d11e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (4a12e08ee2e4979b, 122707e049202ecd), 8, 24
[INFO] [stderr] SG_CR_Eslkdjf: rand, (829175ac5ee4bcdb, 90fd5dcff1da851b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (829175ac5ee4bcdb, 90fd5dcff1da851b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (ca399e426d9d3936, eebb9d24326bdfc8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (e05a642e4a72eada, a14a0cbaf9c14f27), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (525736459e5de750, f1df8fc416e72376), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (96469af7f423c9d, 85a76644ad93bf04), 0, 0
[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] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: test_missing_ancestors, (460350ca2e347c0e, 2280be9a9429c34), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: test_missing_ancestors, (70667d53f8b51c0d, 4a07afee7fdc4a12), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: test_missing_ancestors, (e64c68f52c691c42, a2e8265d5ae0ded3), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (fcd898f0387c43a9, b880c7797e549f4e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (fc868ee9abc72187, 37f79a8c8940f9cf), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (fc868ee9abc72187, 37f79a8c8940f9cf), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (5318a03657652938, 88152b7ac7b22391), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (63d883bdb746393e, d091b00d54d4db0d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (544e74a5d776096b, 1da183d7f4186c43), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (fb070dbb26bf409e, f24542b1e856516c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (f00ce67d45dc5f4a, b66c8cd71784273d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (f088062c755afdb7, dbf06f382ba2b857), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (11b31ac4c15669eb, 76faf4d11ef931f7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (137fd708563f4799, 99d5fe6add7bad8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (173a2dcb942fd057, 3d28c46f007c1a59), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (964b53b84e64e3e7, 7cb778b15385b383), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (964b53b84e64e3e7, 7cb778b15385b383), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (6108ed7a392d662c, 1877f5690941fa3c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (cd8c4522c155e109, ca25db8bc020c6a6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (98a6949c1aa4f00, ccf7970402b9a097), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (5cb6bbf328d03ce0, 52f94ba56df381de), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (290813f22f7c57e3, 5ad22fbd9aaed1b3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (cd9142ddf5812271, 8567ef229616a1ee), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (8f88b67787e9391, df9e5e9ad800da1d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (92d66b60e379645e, d5f325c264befb26), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (79d2eaa4e06ac710, da7f440b59628785), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (ae665bc2ca78cb11, ecac389fb12e39d1), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (d21661fab968bf0c, 78cc5b6653d5c3ba), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (5fedbc1abab9698e, 79e9ec6fb51eec4b), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (ece8a8dfeeac986b, d363e82737b298ea), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (1c65836b56d08cb4, 827891fff116d3e2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (d10d28058c3eeb3e, cf0618fccf5c5fad), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (ee90a3beb288b9bc, 410ac8d886916787), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (890e817d3d723a55, da123e072e5e358b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (57b90d7ec84358b4, f7a3b2479fcb9466), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (cdcaa08c0d37b462, 2dc9f08e00878649), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (2e603890d25f027b, dd982141895b1181), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: hg, (6813fa1e7e2edb0f, a0a61fb44d68a9d5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: hg, (678110a9d45c73b4, 2acf198fdc5ce7a3), 0, 0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "85ade31fbc5a2b0b56e79178ac16efa113caf455887b23a576c8c4be21eef9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ade31fbc5a2b0b56e79178ac16efa113caf455887b23a576c8c4be21eef9ae", kill_on_drop: false }`
[INFO] [stdout] 85ade31fbc5a2b0b56e79178ac16efa113caf455887b23a576c8c4be21eef9ae