[INFO] cloning repository https://github.com/simpoir/weesels-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simpoir/weesels-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fweesels-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fweesels-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a723c274562fd33638a29ff0f58b29f5fda640a3
[INFO] checking simpoir/weesels-rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpoir%2Fweesels-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simpoir/weesels-rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simpoir/weesels-rs
[INFO] finished tweaking git repo https://github.com/simpoir/weesels-rs
[INFO] tweaked toml for git repo https://github.com/simpoir/weesels-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/simpoir/weesels-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded tui v0.12.0
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded notify-rust v4.0.0
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded async-lock v2.2.0
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded async-io v1.1.8
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] [stderr]   Downloaded openssl-probe v0.1.2
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded openssl-sys v0.9.58
[INFO] [stderr]   Downloaded smol v1.2.2
[INFO] [stderr]   Downloaded openssl v0.10.30
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded async-semaphore v1.2.0
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded core-foundation v0.7.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.13
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded futures-lite v1.9.0
[INFO] [stderr]   Downloaded async-native-tls v0.3.3
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.0
[INFO] [stderr]   Downloaded native-tls v0.2.4
[INFO] [stderr]   Downloaded winrt-notification v0.2.2
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded async-barrier v1.1.0
[INFO] [stderr]   Downloaded async-net v1.4.6
[INFO] [stderr]   Downloaded wepoll-sys v3.0.0
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded nb-connect v1.0.1
[INFO] [stderr]   Downloaded async-fs v1.3.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded polling v2.0.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded backtrace v0.3.51
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded futures-sink v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8eae9ee09778d0b24eb9e7fd3c10df91cbf619eef304d3e48cad17496bdd47a
[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" "e8eae9ee09778d0b24eb9e7fd3c10df91cbf619eef304d3e48cad17496bdd47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8eae9ee09778d0b24eb9e7fd3c10df91cbf619eef304d3e48cad17496bdd47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eae9ee09778d0b24eb9e7fd3c10df91cbf619eef304d3e48cad17496bdd47a", kill_on_drop: false }`
[INFO] [stdout] e8eae9ee09778d0b24eb9e7fd3c10df91cbf619eef304d3e48cad17496bdd47a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8b3ed976da94f5ed025bb49d94d6690a2fe80cfc08c9c91ccdc1cb739464a6
[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" "fd8b3ed976da94f5ed025bb49d94d6690a2fe80cfc08c9c91ccdc1cb739464a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking async-semaphore v1.2.0
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking async-barrier v1.1.0
[INFO] [stderr]     Checking async-rwlock v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking async-lock v2.2.0
[INFO] [stderr]     Checking futures-lite v1.9.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking async-fs v1.3.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking nb-connect v1.0.1
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-io v1.1.8
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tui v0.12.0
[INFO] [stderr]     Checking async-process v1.0.0
[INFO] [stderr]     Checking async-net v1.4.6
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking smol v1.2.2
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking pin-project v0.4.25
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking weesels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:589:10
[INFO] [stdout]     |
[INFO] [stdout] 589 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:656:10
[INFO] [stdout]     |
[INFO] [stdout] 656 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:692:10
[INFO] [stdout]     |
[INFO] [stdout] 692 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:726:10
[INFO] [stdout]     |
[INFO] [stdout] 726 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:755:10
[INFO] [stdout]     |
[INFO] [stdout] 755 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/wee/de.rs:778:10
[INFO] [stdout]     |
[INFO] [stdout] 778 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "fd8b3ed976da94f5ed025bb49d94d6690a2fe80cfc08c9c91ccdc1cb739464a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8b3ed976da94f5ed025bb49d94d6690a2fe80cfc08c9c91ccdc1cb739464a6", kill_on_drop: false }`
[INFO] [stdout] fd8b3ed976da94f5ed025bb49d94d6690a2fe80cfc08c9c91ccdc1cb739464a6