[INFO] fetching crate co_managed 0.2.1...
[INFO] checking co_managed-0.2.1 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate co_managed 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate co_managed 0.2.1 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate co_managed 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate co_managed 0.2.1
[INFO] tweaked toml for crates.io crate co_managed 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate co_managed 0.2.1 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded may_queue v0.1.8
[INFO] [stderr]   Downloaded miow v0.4.0
[INFO] [stderr]   Downloaded rcu_list v0.1.0
[INFO] [stderr]   Downloaded rcu_cell v1.1.6
[INFO] [stderr]   Downloaded may v0.3.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082b4aa8e17f2a7f3e101ea24681185be9835f3d1ae49f60c9d3c6df681b5ab1
[INFO] running `Command { std: "docker" "start" "-a" "082b4aa8e17f2a7f3e101ea24681185be9835f3d1ae49f60c9d3c6df681b5ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082b4aa8e17f2a7f3e101ea24681185be9835f3d1ae49f60c9d3c6df681b5ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082b4aa8e17f2a7f3e101ea24681185be9835f3d1ae49f60c9d3c6df681b5ab1", kill_on_drop: false }`
[INFO] [stdout] 082b4aa8e17f2a7f3e101ea24681185be9835f3d1ae49f60c9d3c6df681b5ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ad89a7df7826ef1807a99679c64f18075ee87c65d2c58d25ebdfca6cf6132d
[INFO] running `Command { std: "docker" "start" "-a" "12ad89a7df7826ef1807a99679c64f18075ee87c65d2c58d25ebdfca6cf6132d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling may_queue v0.1.8
[INFO] [stderr]    Compiling may v0.3.21
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking rcu_cell v1.1.6
[INFO] [stderr]     Checking rcu_list v0.1.0
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking co_managed v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "12ad89a7df7826ef1807a99679c64f18075ee87c65d2c58d25ebdfca6cf6132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ad89a7df7826ef1807a99679c64f18075ee87c65d2c58d25ebdfca6cf6132d", kill_on_drop: false }`
[INFO] [stdout] 12ad89a7df7826ef1807a99679c64f18075ee87c65d2c58d25ebdfca6cf6132d