[INFO] cloning repository https://github.com/mgree/mgt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgree/mgt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67cdc3def907bd9e1c796ca4925d0410f4a5ac1
[INFO] checking mgree/mgt against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgree/mgt on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgree/mgt
[INFO] finished tweaking git repo https://github.com/mgree/mgt
[INFO] tweaked toml for git repo https://github.com/mgree/mgt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mgree/mgt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.0
[INFO] [stderr]   Downloaded lalrpop v0.19.0
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd7df9296e6c85c5d3bbc66e481de6c241940bd617b603f7c445e1e1b8936940
[INFO] running `Command { std: "docker" "start" "-a" "bd7df9296e6c85c5d3bbc66e481de6c241940bd617b603f7c445e1e1b8936940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7df9296e6c85c5d3bbc66e481de6c241940bd617b603f7c445e1e1b8936940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7df9296e6c85c5d3bbc66e481de6c241940bd617b603f7c445e1e1b8936940", kill_on_drop: false }`
[INFO] [stdout] bd7df9296e6c85c5d3bbc66e481de6c241940bd617b603f7c445e1e1b8936940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f7fdf69915ee0cda1056ecd74ff263699607891e30740a67e3fb8de140154a
[INFO] running `Command { std: "docker" "start" "-a" "51f7fdf69915ee0cda1056ecd74ff263699607891e30740a67e3fb8de140154a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]    Compiling mgt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/syntax.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[allow(clippy::all)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `lalrpop_mod`
[INFO] [stdout]   --> src/syntax.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | lalrpop_mod!(parser);
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/syntax.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[allow(clippy::all)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `lalrpop_mod`
[INFO] [stdout]   --> src/syntax.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | lalrpop_mod!(parser);
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OrdSet` is imported redundantly
[INFO] [stdout]     --> src/infer.rs:1434:9
[INFO] [stdout]      |
[INFO] [stdout] 1433 |     use super::*;
[INFO] [stdout]      |         -------- the item `OrdSet` is already imported here
[INFO] [stdout] 1434 |     use im_rc::OrdSet;
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_triple` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/mgt-c20f8312f888609e/out/parser.rs:8114:8
[INFO] [stdout]      |
[INFO] [stdout] 8113 | pub trait ___ToTriple<'input, > {
[INFO] [stdout]      |           ----------- associated function in this trait
[INFO] [stdout] 8114 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), ___lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_triple` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/mgt-c20f8312f888609e/out/parser.rs:8114:8
[INFO] [stdout]      |
[INFO] [stdout] 8113 | pub trait ___ToTriple<'input, > {
[INFO] [stdout]      |           ----------- associated function in this trait
[INFO] [stdout] 8114 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), ___lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "51f7fdf69915ee0cda1056ecd74ff263699607891e30740a67e3fb8de140154a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f7fdf69915ee0cda1056ecd74ff263699607891e30740a67e3fb8de140154a", kill_on_drop: false }`
[INFO] [stdout] 51f7fdf69915ee0cda1056ecd74ff263699607891e30740a67e3fb8de140154a
[INFO] checking mgree/mgt against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgree/mgt on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgree/mgt
[INFO] finished tweaking git repo https://github.com/mgree/mgt
[INFO] tweaked toml for git repo https://github.com/mgree/mgt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mgree/mgt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa894ed4540d9114924471413c12dc42c7cb91f505e66ba9f73de4fa2b72898
[INFO] running `Command { std: "docker" "start" "-a" "eaa894ed4540d9114924471413c12dc42c7cb91f505e66ba9f73de4fa2b72898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa894ed4540d9114924471413c12dc42c7cb91f505e66ba9f73de4fa2b72898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa894ed4540d9114924471413c12dc42c7cb91f505e66ba9f73de4fa2b72898", kill_on_drop: false }`
[INFO] [stdout] eaa894ed4540d9114924471413c12dc42c7cb91f505e66ba9f73de4fa2b72898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c9b24a606316d3fea8a8c4dc22331db3a0bb171a474315f92a1430db79ecd2
[INFO] running `Command { std: "docker" "start" "-a" "75c9b24a606316d3fea8a8c4dc22331db3a0bb171a474315f92a1430db79ecd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout]      | |                          -------- temporary value created here
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout]      | |                           --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] 1321 | |             Doc::Fail => &Doc::Fail,
[INFO] [stdout]      | |                           --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1324 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                  ----------------------------------------------------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1324 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                                                           ---------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1324 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                                       --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1328 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                  --------------------------------------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1328 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                                                           -------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1328 | |                 &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                                       --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /          RefDoc(match doc {
[INFO] [stdout] 1318 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |              Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1332 | |                  &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | __________________-
[INFO] [stdout] 1333 | ||                     RefDoc(&Doc::Line),
[INFO] [stdout] 1334 | ||                     RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout] 1335 | ||                 )))
[INFO] [stdout]      | ||___________________- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |          })
[INFO] [stdout]      | |___________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /          RefDoc(match doc {
[INFO] [stdout] 1318 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |              Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1332 | |                  &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | _____________________________________-
[INFO] [stdout] 1333 | ||                     RefDoc(&Doc::Line),
[INFO] [stdout] 1334 | ||                     RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout] 1335 | ||                 )))
[INFO] [stdout]      | ||_________________- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |          })
[INFO] [stdout]      | |___________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1334 | |                     RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout]      | |                             ---------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1333 | |                     RefDoc(&Doc::Line),
[INFO] [stdout]      | |                             --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1339 | |                 &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))))
[INFO] [stdout]      | |                  ------------------------------------------------------------------------ temporary value created here
[INFO] [stdout] 1340 | |             }
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1339 | |                 &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))))
[INFO] [stdout]      | |                                     --------------------------------------------------- temporary value created here
[INFO] [stdout] 1340 | |             }
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1339 | |                 &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))))
[INFO] [stdout]      | |                                                                              -------- temporary value created here
[INFO] [stdout] 1340 | |             }
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.10.0/src/lib.rs:1317:9
[INFO] [stdout]      |
[INFO] [stdout] 1317 | /         RefDoc(match doc {
[INFO] [stdout] 1318 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1319 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1320 | |             Doc::Line => &Doc::Line,
[INFO] [stdout] ...    |
[INFO] [stdout] 1339 | |                 &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil))))
[INFO] [stdout]      | |                                                          --------- temporary value created here
[INFO] [stdout] 1340 | |             }
[INFO] [stdout] 1341 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1342 | |         })
[INFO] [stdout]      | |__________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pretty` (lib) due to 18 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75c9b24a606316d3fea8a8c4dc22331db3a0bb171a474315f92a1430db79ecd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c9b24a606316d3fea8a8c4dc22331db3a0bb171a474315f92a1430db79ecd2", kill_on_drop: false }`
[INFO] [stdout] 75c9b24a606316d3fea8a8c4dc22331db3a0bb171a474315f92a1430db79ecd2