[INFO] fetching crate servant-codec 0.1.0...
[INFO] checking servant-codec-0.1.0 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate servant-codec 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate servant-codec 0.1.0 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate servant-codec 0.1.0
[INFO] finished tweaking crates.io crate servant-codec 0.1.0
[INFO] tweaked toml for crates.io crate servant-codec 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate servant-codec 0.1.0 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c8fe2de9abf7985174b70e26bed3839672398e126df6944d0085d2078758502
[INFO] running `Command { std: "docker" "start" "-a" "3c8fe2de9abf7985174b70e26bed3839672398e126df6944d0085d2078758502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c8fe2de9abf7985174b70e26bed3839672398e126df6944d0085d2078758502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8fe2de9abf7985174b70e26bed3839672398e126df6944d0085d2078758502", kill_on_drop: false }`
[INFO] [stdout] 3c8fe2de9abf7985174b70e26bed3839672398e126df6944d0085d2078758502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f21ffc5d252c83512d2c3316b71dfc1dad5ac23e964e11a14703f36d38b00a0
[INFO] running `Command { std: "docker" "start" "-a" "5f21ffc5d252c83512d2c3316b71dfc1dad5ac23e964e11a14703f36d38b00a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling test-case v1.0.0-alpha-1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking servant-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rng::rand_gen`
[INFO] [stdout]   --> src/utility/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use rng::rand_gen;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_of::type_of`
[INFO] [stdout]   --> src/utility/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use type_of::type_of;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rng::rand_gen`
[INFO] [stdout]   --> src/utility/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use rng::rand_gen;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.25s
[INFO] running `Command { std: "docker" "inspect" "5f21ffc5d252c83512d2c3316b71dfc1dad5ac23e964e11a14703f36d38b00a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f21ffc5d252c83512d2c3316b71dfc1dad5ac23e964e11a14703f36d38b00a0", kill_on_drop: false }`
[INFO] [stdout] 5f21ffc5d252c83512d2c3316b71dfc1dad5ac23e964e11a14703f36d38b00a0