[INFO] fetching crate libslide 0.0.1...
[INFO] checking libslide-0.0.1 against try#19359abcd1be36c9ba1922a244cf9abf02af7a22 for pr-114716
[INFO] extracting crate libslide 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate libslide 0.0.1 on toolchain 19359abcd1be36c9ba1922a244cf9abf02af7a22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libslide 0.0.1
[INFO] finished tweaking crates.io crate libslide 0.0.1
[INFO] tweaked toml for crates.io crate libslide 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acc06820387be95a1b21eaee0e41db8e06aa02ee9e955d61a40568087e68d5e5
[INFO] running `Command { std: "docker" "start" "-a" "acc06820387be95a1b21eaee0e41db8e06aa02ee9e955d61a40568087e68d5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acc06820387be95a1b21eaee0e41db8e06aa02ee9e955d61a40568087e68d5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc06820387be95a1b21eaee0e41db8e06aa02ee9e955d61a40568087e68d5e5", kill_on_drop: false }`
[INFO] [stdout] acc06820387be95a1b21eaee0e41db8e06aa02ee9e955d61a40568087e68d5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+19359abcd1be36c9ba1922a244cf9abf02af7a22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252cc7cea5765a1099da39abc1e01cb2e274f6d28776e5cff15d7ea7018ca0bd
[INFO] running `Command { std: "docker" "start" "-a" "252cc7cea5765a1099da39abc1e01cb2e274f6d28776e5cff15d7ea7018ca0bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/integer/big.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub const ONE: &Integer = {
[INFO] [stdout]     |                    ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/integer/big.rs:253:24
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub const NEG_ONE: &Integer = {
[INFO] [stdout]     |                        ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub const ZERO: &Rational = {
[INFO] [stdout]     |                     ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub const ONE: &Rational = {
[INFO] [stdout]     |                    ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rug-1.20.1/src/rational/big.rs:216:24
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub const NEG_ONE: &Rational = {
[INFO] [stdout]     |                        ^ explicit lifetime name needed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0637`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rug` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "252cc7cea5765a1099da39abc1e01cb2e274f6d28776e5cff15d7ea7018ca0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252cc7cea5765a1099da39abc1e01cb2e274f6d28776e5cff15d7ea7018ca0bd", kill_on_drop: false }`
[INFO] [stdout] 252cc7cea5765a1099da39abc1e01cb2e274f6d28776e5cff15d7ea7018ca0bd