[INFO] cloning repository https://github.com/9646516/U2.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9646516/U2.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9646516%2FU2.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9646516%2FU2.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 483578b1263bb4c362ef20ac335edbbd416baee5
[INFO] checking 9646516/U2.rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9646516%2FU2.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9646516/U2.rs on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/9646516/U2.rs
[INFO] finished tweaking git repo https://github.com/9646516/U2.rs
[INFO] tweaked toml for git repo https://github.com/9646516/U2.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/9646516/U2.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded rev_lines v0.2.1
[INFO] [stderr]   Downloaded atom_syndication v0.9.1
[INFO] [stderr]   Downloaded rss v1.10.0
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.2
[INFO] [stderr]   Downloaded sysinfo v0.16.4
[INFO] [stderr]   Downloaded select v0.5.0
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8086e13a1fe9fc765a809d6e68ec42e4fea2249d448949694bdf33c6490e50e1
[INFO] running `Command { std: "docker" "start" "-a" "8086e13a1fe9fc765a809d6e68ec42e4fea2249d448949694bdf33c6490e50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8086e13a1fe9fc765a809d6e68ec42e4fea2249d448949694bdf33c6490e50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8086e13a1fe9fc765a809d6e68ec42e4fea2249d448949694bdf33c6490e50e1", kill_on_drop: false }`
[INFO] [stdout] 8086e13a1fe9fc765a809d6e68ec42e4fea2249d448949694bdf33c6490e50e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f74a5986c8bee458863098acdc90d47dbaee298a104d3a472671d2b2495ed4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f74a5986c8bee458863098acdc90d47dbaee298a104d3a472671d2b2495ed4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.16.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking rev_lines v0.2.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking diligent-date-parser v0.1.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking atom_syndication v0.9.1
[INFO] [stderr]     Checking rss v1.10.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]     Checking u2 v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "8f74a5986c8bee458863098acdc90d47dbaee298a104d3a472671d2b2495ed4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f74a5986c8bee458863098acdc90d47dbaee298a104d3a472671d2b2495ed4d", kill_on_drop: false }`
[INFO] [stdout] 8f74a5986c8bee458863098acdc90d47dbaee298a104d3a472671d2b2495ed4d