[INFO] cloning repository https://github.com/markcol/leveldb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markcol/leveldb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3600b1eecb9467c852dc4cfbde8d4c99203cfcc8
[INFO] checking markcol/leveldb-rs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markcol/leveldb-rs on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markcol/leveldb-rs
[INFO] finished tweaking git repo https://github.com/markcol/leveldb-rs
[INFO] tweaked toml for git repo https://github.com/markcol/leveldb-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/markcol/leveldb-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded termcolor v0.3.5
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.5
[INFO] [stderr]   Downloaded structopt v0.2.5
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded regex v0.2.10
[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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f5edcc63c0e74424b91cb32d9a405bcd73ddd47190983efc08efce633af19f
[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" "e4f5edcc63c0e74424b91cb32d9a405bcd73ddd47190983efc08efce633af19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f5edcc63c0e74424b91cb32d9a405bcd73ddd47190983efc08efce633af19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f5edcc63c0e74424b91cb32d9a405bcd73ddd47190983efc08efce633af19f", kill_on_drop: false }`
[INFO] [stdout] e4f5edcc63c0e74424b91cb32d9a405bcd73ddd47190983efc08efce633af19f
[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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484763923fffc61dcc1a0cbb5312171c495fb520ec7072edb8de07a4276037e6
[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" "484763923fffc61dcc1a0cbb5312171c495fb520ec7072edb8de07a4276037e6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking leveldb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stdout]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[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/storage/mod.rs:136:42
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:141:44
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stdout]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[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/storage/mod.rs:136:42
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:141:44
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.22s
[INFO] running `Command { std: "docker" "inspect" "484763923fffc61dcc1a0cbb5312171c495fb520ec7072edb8de07a4276037e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484763923fffc61dcc1a0cbb5312171c495fb520ec7072edb8de07a4276037e6", kill_on_drop: false }`
[INFO] [stdout] 484763923fffc61dcc1a0cbb5312171c495fb520ec7072edb8de07a4276037e6