[INFO] fetching crate magnet_schema 0.8.0...
[INFO] checking magnet_schema-0.8.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate magnet_schema 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate magnet_schema 0.8.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnet_schema 0.8.0
[INFO] finished tweaking crates.io crate magnet_schema 0.8.0
[INFO] tweaked toml for crates.io crate magnet_schema 0.8.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded magnet_derive v0.8.0
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded bson v0.13.0
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43d85adf4be48d3e7b341f6c9391ec84ccef4039123a3c951821c0bcd32a2a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e43d85adf4be48d3e7b341f6c9391ec84ccef4039123a3c951821c0bcd32a2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43d85adf4be48d3e7b341f6c9391ec84ccef4039123a3c951821c0bcd32a2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43d85adf4be48d3e7b341f6c9391ec84ccef4039123a3c951821c0bcd32a2a5", kill_on_drop: false }`
[INFO] [stdout] e43d85adf4be48d3e7b341f6c9391ec84ccef4039123a3c951821c0bcd32a2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5f6a275f58487da3607a0d919f2950c3e54f162976c268e1b076d57b179dbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe5f6a275f58487da3607a0d919f2950c3e54f162976c268e1b076d57b179dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking magnet_schema v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling magnet_derive v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/tests.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |             where E: Into<Box<error::Error + Send + Sync>> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.67s
[INFO] running `Command { std: "docker" "inspect" "fe5f6a275f58487da3607a0d919f2950c3e54f162976c268e1b076d57b179dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5f6a275f58487da3607a0d919f2950c3e54f162976c268e1b076d57b179dbc", kill_on_drop: false }`
[INFO] [stdout] fe5f6a275f58487da3607a0d919f2950c3e54f162976c268e1b076d57b179dbc