[INFO] cloning repository https://github.com/i2tsuki/oxlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i2tsuki/oxlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi2tsuki%2Foxlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi2tsuki%2Foxlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1848297ebc00ce3fc3dec506df3d7ad784cdc0ca
[INFO] checking i2tsuki/oxlock against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi2tsuki%2Foxlock" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i2tsuki/oxlock on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/i2tsuki/oxlock
[INFO] finished tweaking git repo https://github.com/i2tsuki/oxlock
[INFO] tweaked toml for git repo https://github.com/i2tsuki/oxlock written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/i2tsuki/oxlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f095ee4b45cb043abfe863f62370315bb81bbb9f7c8da04c6f26e8724c5f99d
[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" "3f095ee4b45cb043abfe863f62370315bb81bbb9f7c8da04c6f26e8724c5f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f095ee4b45cb043abfe863f62370315bb81bbb9f7c8da04c6f26e8724c5f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f095ee4b45cb043abfe863f62370315bb81bbb9f7c8da04c6f26e8724c5f99d", kill_on_drop: false }`
[INFO] [stdout] 3f095ee4b45cb043abfe863f62370315bb81bbb9f7c8da04c6f26e8724c5f99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b720db4daee7f15137ddaa2ea7f0e15be070f03a9662b1973a84860fa4be7f7c
[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" "b720db4daee7f15137ddaa2ea7f0e15be070f03a9662b1973a84860fa4be7f7c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking oxclock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:59:84
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:76:84
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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/main.rs:101:84
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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/main.rs:138:42
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   e.description());
[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/main.rs:59:84
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:76:84
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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/main.rs:101:84
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   let _result = writeln!(&mut std::io::stderr(), "{}", e.description());
[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/main.rs:138:42
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   e.description());
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "b720db4daee7f15137ddaa2ea7f0e15be070f03a9662b1973a84860fa4be7f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b720db4daee7f15137ddaa2ea7f0e15be070f03a9662b1973a84860fa4be7f7c", kill_on_drop: false }`
[INFO] [stdout] b720db4daee7f15137ddaa2ea7f0e15be070f03a9662b1973a84860fa4be7f7c