[INFO] fetching crate value-trait 0.2.8...
[INFO] checking value-trait-0.2.8 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate value-trait 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate value-trait 0.2.8 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 value-trait 0.2.8
[INFO] finished tweaking crates.io crate value-trait 0.2.8
[INFO] tweaked toml for crates.io crate value-trait 0.2.8 written to /workspace/builds/worker-6/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] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b3c61bd13ee7fd391b26634453983b9faa8e041137443dd1dd11c78bded4f3ec
[INFO] running `Command { std: "docker" "start" "-a" "b3c61bd13ee7fd391b26634453983b9faa8e041137443dd1dd11c78bded4f3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3c61bd13ee7fd391b26634453983b9faa8e041137443dd1dd11c78bded4f3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c61bd13ee7fd391b26634453983b9faa8e041137443dd1dd11c78bded4f3ec", kill_on_drop: false }`
[INFO] [stdout] b3c61bd13ee7fd391b26634453983b9faa8e041137443dd1dd11c78bded4f3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2749b6cf9b34a3c2665d20c69e7c49a248ae5e8b9930f66a73e0d553c0e5105a
[INFO] running `Command { std: "docker" "start" "-a" "2749b6cf9b34a3c2665d20c69e7c49a248ae5e8b9930f66a73e0d553c0e5105a", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]     Checking value-trait v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "2749b6cf9b34a3c2665d20c69e7c49a248ae5e8b9930f66a73e0d553c0e5105a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2749b6cf9b34a3c2665d20c69e7c49a248ae5e8b9930f66a73e0d553c0e5105a", kill_on_drop: false }`
[INFO] [stdout] 2749b6cf9b34a3c2665d20c69e7c49a248ae5e8b9930f66a73e0d553c0e5105a