[INFO] fetching crate oftb 0.1.3...
[INFO] checking oftb-0.1.3 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate oftb 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate oftb 0.1.3 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oftb 0.1.3
[INFO] finished tweaking crates.io crate oftb 0.1.3
[INFO] tweaked toml for crates.io crate oftb 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842fb16de1dea1fe33d2be10cd83c7bc31c5d987c1e283eb2ff4e5677104f303
[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" "842fb16de1dea1fe33d2be10cd83c7bc31c5d987c1e283eb2ff4e5677104f303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842fb16de1dea1fe33d2be10cd83c7bc31c5d987c1e283eb2ff4e5677104f303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842fb16de1dea1fe33d2be10cd83c7bc31c5d987c1e283eb2ff4e5677104f303", kill_on_drop: false }`
[INFO] [stdout] 842fb16de1dea1fe33d2be10cd83c7bc31c5d987c1e283eb2ff4e5677104f303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14246b4306ae60fc7515b6d7edb52b638eb93095433f92547563e9facde6f824
[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" "14246b4306ae60fc7515b6d7edb52b638eb93095433f92547563e9facde6f824", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking gc v0.3.6
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pretty_logger v0.1.8
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling synstructure v0.5.2
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]    Compiling gc_derive v0.3.1
[INFO] [stderr]     Checking oftlisp v0.1.3
[INFO] [stderr]     Checking oftlisp-anf v0.1.3
[INFO] [stderr]     Checking oftb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut err: &Error = &err;
[INFO] [stdout]   |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut err: &Error = &err;
[INFO] [stdout]   |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/util.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 |     while let Some(next) = err.cause() {
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/util.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 |     while let Some(next) = err.cause() {
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.59s
[INFO] running `Command { std: "docker" "inspect" "14246b4306ae60fc7515b6d7edb52b638eb93095433f92547563e9facde6f824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14246b4306ae60fc7515b6d7edb52b638eb93095433f92547563e9facde6f824", kill_on_drop: false }`
[INFO] [stdout] 14246b4306ae60fc7515b6d7edb52b638eb93095433f92547563e9facde6f824