[INFO] fetching crate liboscore-msgbackend 0.2.4...
[INFO] checking liboscore-msgbackend-0.2.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate liboscore-msgbackend 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate liboscore-msgbackend 0.2.4
[INFO] finished tweaking crates.io crate liboscore-msgbackend 0.2.4
[INFO] tweaked toml for crates.io crate liboscore-msgbackend 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liboscore-msgbackend 0.2.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liboscore-msgbackend 0.2.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coap-numbers v0.2.3
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded coap-message v0.3.1
[INFO] [stderr]   Downloaded coap-message-implementations v0.1.1
[INFO] [stderr]   Downloaded coap-message-utils v0.3.2
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d9fed18c00f6d391fd5a2deecb1083b7fbcbf93aa3d78428e76f287ba02b84
[INFO] running `Command { std: "docker" "start" "-a" "e4d9fed18c00f6d391fd5a2deecb1083b7fbcbf93aa3d78428e76f287ba02b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d9fed18c00f6d391fd5a2deecb1083b7fbcbf93aa3d78428e76f287ba02b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d9fed18c00f6d391fd5a2deecb1083b7fbcbf93aa3d78428e76f287ba02b84", kill_on_drop: false }`
[INFO] [stdout] e4d9fed18c00f6d391fd5a2deecb1083b7fbcbf93aa3d78428e76f287ba02b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b863e668d6fc51321f830b867b3c987c41c697badf3606230fdcfffd3a16eeef
[INFO] running `Command { std: "docker" "start" "-a" "b863e668d6fc51321f830b867b3c987c41c697badf3606230fdcfffd3a16eeef", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking coap-numbers v0.2.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking coap-message v0.3.1
[INFO] [stderr]     Checking coap-message-utils v0.3.2
[INFO] [stderr]     Checking coap-message-implementations v0.1.1
[INFO] [stderr]     Checking liboscore-msgbackend v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[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" "b863e668d6fc51321f830b867b3c987c41c697badf3606230fdcfffd3a16eeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b863e668d6fc51321f830b867b3c987c41c697badf3606230fdcfffd3a16eeef", kill_on_drop: false }`
[INFO] [stdout] b863e668d6fc51321f830b867b3c987c41c697badf3606230fdcfffd3a16eeef