[INFO] cloning repository https://github.com/adambezecny/prometheus-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adambezecny/prometheus-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambezecny%2Fprometheus-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambezecny%2Fprometheus-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 558a0562326c5d97f2f704ee0b39102c682e1e9b
[INFO] checking adambezecny/prometheus-sample against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambezecny%2Fprometheus-sample" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adambezecny/prometheus-sample
[INFO] finished tweaking git repo https://github.com/adambezecny/prometheus-sample
[INFO] tweaked toml for git repo https://github.com/adambezecny/prometheus-sample written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adambezecny/prometheus-sample on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adambezecny/prometheus-sample 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.17
[INFO] [stderr]   Downloaded http-body v0.4.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded futures-core v0.3.17
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] [stderr]   Downloaded httpdate v1.0.1
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded futures-io v0.3.17
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded tokio-tungstenite v0.13.0
[INFO] [stderr]   Downloaded futures-channel v0.3.17
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded tokio-util v0.6.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] [stderr]   Downloaded tungstenite v0.12.0
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded warp v0.3.1
[INFO] [stderr]   Downloaded serde_json v1.0.68
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded protobuf v2.25.1
[INFO] [stderr]   Downloaded h2 v0.3.6
[INFO] [stderr]   Downloaded hyper v0.14.13
[INFO] [stderr]   Downloaded futures-util v0.3.17
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] [stderr]   Downloaded tokio v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eb301980977671d99742ab067d9b9948da5233ed6e7dd3a59336ea40d0bf87b
[INFO] running `Command { std: "docker" "start" "-a" "1eb301980977671d99742ab067d9b9948da5233ed6e7dd3a59336ea40d0bf87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb301980977671d99742ab067d9b9948da5233ed6e7dd3a59336ea40d0bf87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb301980977671d99742ab067d9b9948da5233ed6e7dd3a59336ea40d0bf87b", kill_on_drop: false }`
[INFO] [stdout] 1eb301980977671d99742ab067d9b9948da5233ed6e7dd3a59336ea40d0bf87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e98596b6b8e5abd9b2b643786abbdd7d8e74812559067a7ed4315c209b9b0e
[INFO] running `Command { std: "docker" "start" "-a" "54e98596b6b8e5abd9b2b643786abbdd7d8e74812559067a7ed4315c209b9b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking prometheus-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[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" "54e98596b6b8e5abd9b2b643786abbdd7d8e74812559067a7ed4315c209b9b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e98596b6b8e5abd9b2b643786abbdd7d8e74812559067a7ed4315c209b9b0e", kill_on_drop: false }`
[INFO] [stdout] 54e98596b6b8e5abd9b2b643786abbdd7d8e74812559067a7ed4315c209b9b0e