[INFO] fetching crate ymlctx 0.1.8...
[INFO] checking ymlctx-0.1.8 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate ymlctx 0.1.8 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate ymlctx 0.1.8 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ymlctx 0.1.8
[INFO] finished tweaking crates.io crate ymlctx 0.1.8
[INFO] tweaked toml for crates.io crate ymlctx 0.1.8 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3cls v0.5.4
[INFO] [stderr]   Downloaded rpds v0.5.0
[INFO] [stderr]   Downloaded mashup v0.1.13+deprecated
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.5.4
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded pyo3 v0.5.4
[INFO] [stderr]   Downloaded mashup-impl v0.1.13+deprecated
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c2137066815f082c3ab43b92e9d1d7a3f4b985100d0823afafb15c4e9c30e9
[INFO] running `Command { std: "docker" "start" "-a" "20c2137066815f082c3ab43b92e9d1d7a3f4b985100d0823afafb15c4e9c30e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c2137066815f082c3ab43b92e9d1d7a3f4b985100d0823afafb15c4e9c30e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c2137066815f082c3ab43b92e9d1d7a3f4b985100d0823afafb15c4e9c30e9", kill_on_drop: false }`
[INFO] [stdout] 20c2137066815f082c3ab43b92e9d1d7a3f4b985100d0823afafb15c4e9c30e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da686de2fe79145fcc08498256f77617b0aaa4682c813f28369fc087914eb954
[INFO] running `Command { std: "docker" "start" "-a" "da686de2fe79145fcc08498256f77617b0aaa4682c813f28369fc087914eb954", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rpds v0.5.0
[INFO] [stderr]     Checking ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "da686de2fe79145fcc08498256f77617b0aaa4682c813f28369fc087914eb954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da686de2fe79145fcc08498256f77617b0aaa4682c813f28369fc087914eb954", kill_on_drop: false }`
[INFO] [stdout] da686de2fe79145fcc08498256f77617b0aaa4682c813f28369fc087914eb954