[INFO] fetching crate leb128 0.2.4...
[INFO] checking leb128-0.2.4 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate leb128 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate leb128 0.2.4 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 leb128 0.2.4
[INFO] finished tweaking crates.io crate leb128 0.2.4
[INFO] tweaked toml for crates.io crate leb128 0.2.4 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 41d302c580d222ad91b35c17c185bad5ae2f3f5131eab9a34ac80b2770d3afc7
[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" "41d302c580d222ad91b35c17c185bad5ae2f3f5131eab9a34ac80b2770d3afc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d302c580d222ad91b35c17c185bad5ae2f3f5131eab9a34ac80b2770d3afc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d302c580d222ad91b35c17c185bad5ae2f3f5131eab9a34ac80b2770d3afc7", kill_on_drop: false }`
[INFO] [stdout] 41d302c580d222ad91b35c17c185bad5ae2f3f5131eab9a34ac80b2770d3afc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c00d536abcfdc30bef184a85080dd926c3850c17d9e1008bb9a8b2be724ee9df
[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" "c00d536abcfdc30bef184a85080dd926c3850c17d9e1008bb9a8b2be724ee9df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking leb128 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |         fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 ::std::error::Error::description(self)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Error::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |         fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 ::std::error::Error::description(self)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Error::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "c00d536abcfdc30bef184a85080dd926c3850c17d9e1008bb9a8b2be724ee9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00d536abcfdc30bef184a85080dd926c3850c17d9e1008bb9a8b2be724ee9df", kill_on_drop: false }`
[INFO] [stdout] c00d536abcfdc30bef184a85080dd926c3850c17d9e1008bb9a8b2be724ee9df