[INFO] fetching crate qcontext-derive 0.5.0...
[INFO] testing qcontext-derive-0.5.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate qcontext-derive 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate qcontext-derive 0.5.0
[INFO] finished tweaking crates.io crate qcontext-derive 0.5.0
[INFO] tweaked toml for crates.io crate qcontext-derive 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qcontext-derive 0.5.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.20.11 (available: v0.23.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8165b4d9cd37cc5faaf23395693c138c8cd7b161a193dde51c0bbc5b18de56e2
[INFO] running `Command { std: "docker" "start" "-a" "8165b4d9cd37cc5faaf23395693c138c8cd7b161a193dde51c0bbc5b18de56e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8165b4d9cd37cc5faaf23395693c138c8cd7b161a193dde51c0bbc5b18de56e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8165b4d9cd37cc5faaf23395693c138c8cd7b161a193dde51c0bbc5b18de56e2", kill_on_drop: false }`
[INFO] [stdout] 8165b4d9cd37cc5faaf23395693c138c8cd7b161a193dde51c0bbc5b18de56e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2107c9381e8b5a815b96fa5fb593f5a01bf9a62f7fc3366ddb4e6db60f47d32b
[INFO] running `Command { std: "docker" "start" "-a" "2107c9381e8b5a815b96fa5fb593f5a01bf9a62f7fc3366ddb4e6db60f47d32b", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling qcontext-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "2107c9381e8b5a815b96fa5fb593f5a01bf9a62f7fc3366ddb4e6db60f47d32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2107c9381e8b5a815b96fa5fb593f5a01bf9a62f7fc3366ddb4e6db60f47d32b", kill_on_drop: false }`
[INFO] [stdout] 2107c9381e8b5a815b96fa5fb593f5a01bf9a62f7fc3366ddb4e6db60f47d32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590e91a5dd5a98b7a8c75467dbaf7ddb1c8146494cd1b23fd06df943d9cc4fec
[INFO] running `Command { std: "docker" "start" "-a" "590e91a5dd5a98b7a8c75467dbaf7ddb1c8146494cd1b23fd06df943d9cc4fec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "590e91a5dd5a98b7a8c75467dbaf7ddb1c8146494cd1b23fd06df943d9cc4fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590e91a5dd5a98b7a8c75467dbaf7ddb1c8146494cd1b23fd06df943d9cc4fec", kill_on_drop: false }`
[INFO] [stdout] 590e91a5dd5a98b7a8c75467dbaf7ddb1c8146494cd1b23fd06df943d9cc4fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be2f13da17f46a549f09e3ace42c86ebb0ca2df3ff457a6d1348f5fd5a129c19
[INFO] running `Command { std: "docker" "start" "-a" "be2f13da17f46a549f09e3ace42c86ebb0ca2df3ff457a6d1348f5fd5a129c19", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "be2f13da17f46a549f09e3ace42c86ebb0ca2df3ff457a6d1348f5fd5a129c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2f13da17f46a549f09e3ace42c86ebb0ca2df3ff457a6d1348f5fd5a129c19", kill_on_drop: false }`
[INFO] [stdout] be2f13da17f46a549f09e3ace42c86ebb0ca2df3ff457a6d1348f5fd5a129c19