[INFO] cloning repository https://github.com/clobber-rs/clobber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clobber-rs/clobber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5ed6b03270ddcd2ca1849dfe173531904af01b0
[INFO] checking clobber-rs/clobber against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber" "/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/clobber-rs/clobber on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clobber-rs/clobber
[INFO] finished tweaking git repo https://github.com/clobber-rs/clobber
[INFO] tweaked toml for git repo https://github.com/clobber-rs/clobber written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/clobber-rs/clobber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js_int v0.2.1
[INFO] [stderr]   Downloaded ruma v0.4.0
[INFO] [stderr]   Downloaded ruma-serde v0.5.0
[INFO] [stderr]   Downloaded ruma-common v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
[INFO] [stderr]   Downloaded futures-locks v0.6.0
[INFO] [stderr]   Downloaded ruma-signatures v0.9.0
[INFO] [stderr]   Downloaded chacha20 v0.8.1
[INFO] [stderr]   Downloaded matrix-sdk-common v0.4.1
[INFO] [stderr]   Downloaded ruma-identifiers v0.20.0
[INFO] [stderr]   Downloaded olm-rs v2.0.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.0
[INFO] [stderr]   Downloaded matrix-sdk-crypto v0.4.1
[INFO] [stderr]   Downloaded ruma-api-macros v0.18.3
[INFO] [stderr]   Downloaded ruma-identifiers-macros v0.20.0
[INFO] [stderr]   Downloaded ruma-client-api v0.12.2
[INFO] [stderr]   Downloaded ruma-api v0.18.3
[INFO] [stderr]   Downloaded olm-sys v1.1.3
[INFO] [stderr]   Downloaded ruma-federation-api v0.3.1
[INFO] [stderr]   Downloaded ruma-events-macros v0.24.5
[INFO] [stderr]   Downloaded sled v0.34.7
[INFO] [stderr]   Downloaded wildmatch v2.1.0
[INFO] [stderr]   Downloaded assign v1.1.1
[INFO] [stderr]   Downloaded matrix-sdk-base v0.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.21
[INFO] [stderr]   Downloaded ruma-events v0.24.5
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.5.0
[INFO] [stderr]   Downloaded ruma-serde-macros v0.5.0
[INFO] [stderr]   Downloaded ruma-state-res v0.4.1
[INFO] [stderr]   Downloaded matrix-sdk v0.4.1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 791d7c409e218a60f78d4761c9b09133fea7fbb23adfa63638474d7796ddf13a
[INFO] running `Command { std: "docker" "start" "-a" "791d7c409e218a60f78d4761c9b09133fea7fbb23adfa63638474d7796ddf13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791d7c409e218a60f78d4761c9b09133fea7fbb23adfa63638474d7796ddf13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791d7c409e218a60f78d4761c9b09133fea7fbb23adfa63638474d7796ddf13a", kill_on_drop: false }`
[INFO] [stdout] 791d7c409e218a60f78d4761c9b09133fea7fbb23adfa63638474d7796ddf13a
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3b3fb2b632d8ec1ad05591e544973959c81536ee8872dd4d3c0c9bbb07d2fac2
[INFO] running `Command { std: "docker" "start" "-a" "3b3fb2b632d8ec1ad05591e544973959c81536ee8872dd4d3c0c9bbb07d2fac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking der v0.4.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling olm-sys v1.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking spki v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking pbkdf2 v0.9.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.20.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking pkcs8 v0.7.5
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]     Checking chacha20poly1305 v0.9.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking backoff v0.3.0
[INFO] [stderr]     Checking js_int v0.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking olm-rs v2.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.21
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling ruma-serde-macros v0.5.0
[INFO] [stderr]    Compiling ruma-events-macros v0.24.5
[INFO] [stderr]    Compiling ruma-api-macros v0.18.3
[INFO] [stderr]     Checking js-sys v0.3.54
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking ruma-serde v0.5.0
[INFO] [stderr]     Checking ruma-identifiers v0.20.0
[INFO] [stderr]     Checking ruma-common v0.6.0
[INFO] [stderr]     Checking ruma-signatures v0.9.0
[INFO] [stderr]     Checking web-sys v0.3.54
[INFO] [stderr]     Checking ruma-api v0.18.3
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking ruma-events v0.24.5
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking ruma-federation-api v0.3.1
[INFO] [stderr]     Checking ruma-state-res v0.4.1
[INFO] [stderr]     Checking ruma-client-api v0.12.2
[INFO] [stderr]     Checking ruma v0.4.0
[INFO] [stderr]     Checking matrix-sdk-common v0.4.1
[INFO] [stderr]     Checking matrix-sdk-crypto v0.4.1
[INFO] [stderr]     Checking matrix-sdk-base v0.4.1
[INFO] [stderr]     Checking matrix-sdk v0.4.1
[INFO] [stderr]     Checking clobber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 49s
[INFO] running `Command { std: "docker" "inspect" "3b3fb2b632d8ec1ad05591e544973959c81536ee8872dd4d3c0c9bbb07d2fac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3fb2b632d8ec1ad05591e544973959c81536ee8872dd4d3c0c9bbb07d2fac2", kill_on_drop: false }`
[INFO] [stdout] 3b3fb2b632d8ec1ad05591e544973959c81536ee8872dd4d3c0c9bbb07d2fac2