[INFO] fetching crate flatzinc-serde 0.4.4...
[INFO] checking flatzinc-serde-0.4.4 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate flatzinc-serde 0.4.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate flatzinc-serde 0.4.4
[INFO] finished tweaking crates.io crate flatzinc-serde 0.4.4
[INFO] tweaked toml for crates.io crate flatzinc-serde 0.4.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatzinc-serde 0.4.4 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flatzinc-serde 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.5.1
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] [stderr]   Downloaded rangelist v0.4.0
[INFO] [stderr]   Downloaded ustr v1.1.0
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf95302a3b7c2378c6a909e426adae225df82e5827f4bc2caab714633bc79000
[INFO] running `Command { std: "docker" "start" "-a" "cf95302a3b7c2378c6a909e426adae225df82e5827f4bc2caab714633bc79000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf95302a3b7c2378c6a909e426adae225df82e5827f4bc2caab714633bc79000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf95302a3b7c2378c6a909e426adae225df82e5827f4bc2caab714633bc79000", kill_on_drop: false }`
[INFO] [stdout] cf95302a3b7c2378c6a909e426adae225df82e5827f4bc2caab714633bc79000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aad574ac73ffdf6cf6cb88784d2f41710354cf1005f6aeda88131213136bbd5
[INFO] running `Command { std: "docker" "start" "-a" "3aad574ac73ffdf6cf6cb88784d2f41710354cf1005f6aeda88131213136bbd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking rangelist v0.4.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ustr v1.1.0
[INFO] [stderr]     Checking flatzinc-serde v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "3aad574ac73ffdf6cf6cb88784d2f41710354cf1005f6aeda88131213136bbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aad574ac73ffdf6cf6cb88784d2f41710354cf1005f6aeda88131213136bbd5", kill_on_drop: false }`
[INFO] [stdout] 3aad574ac73ffdf6cf6cb88784d2f41710354cf1005f6aeda88131213136bbd5