[INFO] fetching crate liquid-value 0.20.0-alpha.6...
[INFO] checking liquid-value-0.20.0-alpha.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate liquid-value 0.20.0-alpha.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate liquid-value 0.20.0-alpha.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liquid-value 0.20.0-alpha.6
[INFO] finished tweaking crates.io crate liquid-value 0.20.0-alpha.6
[INFO] tweaked toml for crates.io crate liquid-value 0.20.0-alpha.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded liquid-error v0.20.0-alpha.6
[INFO] [stderr]   Downloaded kstring v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b04f42889fb04c8a0fbd2130aa923dc2663791bea6ec38fce80e366acffae22e
[INFO] running `Command { std: "docker" "start" "-a" "b04f42889fb04c8a0fbd2130aa923dc2663791bea6ec38fce80e366acffae22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b04f42889fb04c8a0fbd2130aa923dc2663791bea6ec38fce80e366acffae22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04f42889fb04c8a0fbd2130aa923dc2663791bea6ec38fce80e366acffae22e", kill_on_drop: false }`
[INFO] [stdout] b04f42889fb04c8a0fbd2130aa923dc2663791bea6ec38fce80e366acffae22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd99877113de3596679c15d980b655c3542e5da5026ff39c9cc2970cad65cda5
[INFO] running `Command { std: "docker" "start" "-a" "bd99877113de3596679c15d980b655c3542e5da5026ff39c9cc2970cad65cda5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking kstring v0.1.2
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking liquid-error v0.20.0-alpha.6
[INFO] [stderr]     Checking liquid-value v0.20.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.93s
[INFO] running `Command { std: "docker" "inspect" "bd99877113de3596679c15d980b655c3542e5da5026ff39c9cc2970cad65cda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd99877113de3596679c15d980b655c3542e5da5026ff39c9cc2970cad65cda5", kill_on_drop: false }`
[INFO] [stdout] bd99877113de3596679c15d980b655c3542e5da5026ff39c9cc2970cad65cda5