[INFO] fetching crate oftb 0.1.3...
[INFO] checking oftb-0.1.3 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate oftb 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate oftb 0.1.3 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded oftlisp-anf v0.1.3
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded pretty_logger v0.1.8
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efc5f4da469013f69d4fc49dc57137048dee5be27894bc69528f184f8ef5df59
[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" "efc5f4da469013f69d4fc49dc57137048dee5be27894bc69528f184f8ef5df59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efc5f4da469013f69d4fc49dc57137048dee5be27894bc69528f184f8ef5df59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc5f4da469013f69d4fc49dc57137048dee5be27894bc69528f184f8ef5df59", kill_on_drop: false }`
[INFO] [stdout] efc5f4da469013f69d4fc49dc57137048dee5be27894bc69528f184f8ef5df59
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4edcbf381285385c3a2cb38e9307f1ecade8852369876b6592dfc31e8db68bee
[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" "4edcbf381285385c3a2cb38e9307f1ecade8852369876b6592dfc31e8db68bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking gc v0.3.6
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking pretty_logger v0.1.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling synstructure v0.5.2
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling gc_derive v0.3.1
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[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 item '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 item '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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4edcbf381285385c3a2cb38e9307f1ecade8852369876b6592dfc31e8db68bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edcbf381285385c3a2cb38e9307f1ecade8852369876b6592dfc31e8db68bee", kill_on_drop: false }`
[INFO] [stdout] 4edcbf381285385c3a2cb38e9307f1ecade8852369876b6592dfc31e8db68bee