[INFO] fetching crate rcs_backend 0.2.1...
[INFO] checking rcs_backend-0.2.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate rcs_backend 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rcs_backend 0.2.1
[INFO] finished tweaking crates.io crate rcs_backend 0.2.1
[INFO] tweaked toml for crates.io crate rcs_backend 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcs_backend 0.2.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rcs_backend 0.2.1 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_asn1 v0.6.1
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded hyper-tungstenite v0.5.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.29
[INFO] [stderr]   Downloaded pem v1.0.2
[INFO] [stderr]   Downloaded futures_codec v0.4.1
[INFO] [stderr]   Downloaded jsonwebtoken v8.0.1
[INFO] [stderr]   Downloaded async-tungstenite v0.16.1
[INFO] [stderr]   Downloaded pin-project v0.4.29
[INFO] [stderr]   Downloaded docker-api v0.8.0
[INFO] [stderr]   Downloaded tracing v0.1.30
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e74562d5fb7d9237e3a82b656a58c081c4970a2e5e44586fd72037ee9a9371b
[INFO] running `Command { std: "docker" "start" "-a" "5e74562d5fb7d9237e3a82b656a58c081c4970a2e5e44586fd72037ee9a9371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e74562d5fb7d9237e3a82b656a58c081c4970a2e5e44586fd72037ee9a9371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e74562d5fb7d9237e3a82b656a58c081c4970a2e5e44586fd72037ee9a9371b", kill_on_drop: false }`
[INFO] [stdout] 5e74562d5fb7d9237e3a82b656a58c081c4970a2e5e44586fd72037ee9a9371b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e9c62d346f244181ec5aca166c5d3168ec8a2992059f7f84a2b749079bfc1d
[INFO] running `Command { std: "docker" "start" "-a" "f7e9c62d346f244181ec5aca166c5d3168ec8a2992059f7f84a2b749079bfc1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling cookie v0.16.0
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pem v1.0.2
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking simple_asn1 v0.6.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-tungstenite v0.16.1
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking async-tungstenite v0.16.1
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking jsonwebtoken v8.0.1
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking hyper-tungstenite v0.5.0
[INFO] [stderr]     Checking docker-api v0.8.0
[INFO] [stderr]     Checking rcs_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.80s
[INFO] running `Command { std: "docker" "inspect" "f7e9c62d346f244181ec5aca166c5d3168ec8a2992059f7f84a2b749079bfc1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e9c62d346f244181ec5aca166c5d3168ec8a2992059f7f84a2b749079bfc1d", kill_on_drop: false }`
[INFO] [stdout] f7e9c62d346f244181ec5aca166c5d3168ec8a2992059f7f84a2b749079bfc1d