[INFO] fetching crate observer 0.2.5...
[INFO] checking observer-0.2.5 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate observer 0.2.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate observer 0.2.5 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observer 0.2.5
[INFO] finished tweaking crates.io crate observer 0.2.5
[INFO] tweaked toml for crates.io crate observer 0.2.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded observer_attribute v0.1.8
[INFO] [stderr]   Downloaded sqlparser v0.5.1
[INFO] [stderr]   Downloaded log4rs v0.11.0
[INFO] [stderr]   Downloaded r2d2-diesel v1.0.0
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9240169ec016fea55dcb1430cb60ae715610388dfe9df873583c6c14b0d689cd
[INFO] running `Command { std: "docker" "start" "-a" "9240169ec016fea55dcb1430cb60ae715610388dfe9df873583c6c14b0d689cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9240169ec016fea55dcb1430cb60ae715610388dfe9df873583c6c14b0d689cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9240169ec016fea55dcb1430cb60ae715610388dfe9df873583c6c14b0d689cd", kill_on_drop: false }`
[INFO] [stdout] 9240169ec016fea55dcb1430cb60ae715610388dfe9df873583c6c14b0d689cd
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef56fa551eaad391b925122725f3771d8ccf22551cac8487adc1e14c2e90906f
[INFO] running `Command { std: "docker" "start" "-a" "ef56fa551eaad391b925122725f3771d8ccf22551cac8487adc1e14c2e90906f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking sqlparser v0.5.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking diesel v1.4.8
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling observer_attribute v0.1.8
[INFO] [stderr]     Checking log4rs v0.11.0
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]     Checking observer v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ef56fa551eaad391b925122725f3771d8ccf22551cac8487adc1e14c2e90906f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef56fa551eaad391b925122725f3771d8ccf22551cac8487adc1e14c2e90906f", kill_on_drop: false }`
[INFO] [stdout] ef56fa551eaad391b925122725f3771d8ccf22551cac8487adc1e14c2e90906f