[INFO] crate wither 0.8.0 is already in cache
[INFO] checking wither-0.8.0 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate wither 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wither 0.8.0 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wither 0.8.0
[INFO] finished tweaking crates.io crate wither 0.8.0
[INFO] tweaked toml for crates.io crate wither 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6facb9026fe75eb7db92f98b1185e6807975be548cc7e055b42adcd65c9aadde
[INFO] running `"docker" "start" "-a" "6facb9026fe75eb7db92f98b1185e6807975be548cc7e055b42adcd65c9aadde"`
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking wither v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wither_derive v0.8.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/fixtures/mod.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn migrations() -> Vec<Box<wither::Migration>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn wither::Migration`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/fixtures/mod.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn migrations() -> Vec<Box<wither::Migration>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn wither::Migration`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.70s
[INFO] running `"docker" "inspect" "6facb9026fe75eb7db92f98b1185e6807975be548cc7e055b42adcd65c9aadde"`
[INFO] running `"docker" "rm" "-f" "6facb9026fe75eb7db92f98b1185e6807975be548cc7e055b42adcd65c9aadde"`
[INFO] [stdout] 6facb9026fe75eb7db92f98b1185e6807975be548cc7e055b42adcd65c9aadde