[INFO] fetching crate numbat-codec 0.0.17...
[INFO] checking numbat-codec-0.0.17 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate numbat-codec 0.0.17 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate numbat-codec 0.0.17
[INFO] finished tweaking crates.io crate numbat-codec 0.0.17
[INFO] tweaked toml for crates.io crate numbat-codec 0.0.17 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate numbat-codec 0.0.17 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.7.1 (available: v0.7.6)
[INFO] [stderr]       Adding libc v0.2.64 (available: v0.2.177)
[INFO] [stderr]       Adding numbat-codec-derive v0.0.17 (available: v0.0.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] [stderr]   Downloaded numbat-codec-derive v0.0.17
[INFO] [stderr]   Downloaded libc v0.2.64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2998aa08a459cab06c3c5779bc2082c317ed0a928178965505778623bdff20f0
[INFO] running `Command { std: "docker" "start" "-a" "2998aa08a459cab06c3c5779bc2082c317ed0a928178965505778623bdff20f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2998aa08a459cab06c3c5779bc2082c317ed0a928178965505778623bdff20f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2998aa08a459cab06c3c5779bc2082c317ed0a928178965505778623bdff20f0", kill_on_drop: false }`
[INFO] [stdout] 2998aa08a459cab06c3c5779bc2082c317ed0a928178965505778623bdff20f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e2b7f3d64ce51ecf17b3044b07e88cca99baf0897a68aacf294a466870e378
[INFO] running `Command { std: "docker" "start" "-a" "54e2b7f3d64ce51ecf17b3044b07e88cca99baf0897a68aacf294a466870e378", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking numbat-codec v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling numbat-codec-derive v0.0.17
[INFO] [stdout] warning: method `simple_function` is never used
[INFO] [stdout]   --> tests/derive_struct_with_generic_test.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SimpleTrait {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 13 |     fn simple_function(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "54e2b7f3d64ce51ecf17b3044b07e88cca99baf0897a68aacf294a466870e378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e2b7f3d64ce51ecf17b3044b07e88cca99baf0897a68aacf294a466870e378", kill_on_drop: false }`
[INFO] [stdout] 54e2b7f3d64ce51ecf17b3044b07e88cca99baf0897a68aacf294a466870e378