[INFO] fetching crate opentracing 0.1.0...
[INFO] checking opentracing-0.1.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate opentracing 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate opentracing 0.1.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentracing 0.1.0
[INFO] finished tweaking crates.io crate opentracing 0.1.0
[INFO] tweaked toml for crates.io crate opentracing 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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 toml v0.2.1
[INFO] [stderr]   Downloaded lsio v0.1.18
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded rpassword v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9af9f2170e9d544b6a4f3a3cdc84711486dfc054d12bb742cb59424a1bd18ed7
[INFO] running `Command { std: "docker" "start" "-a" "9af9f2170e9d544b6a4f3a3cdc84711486dfc054d12bb742cb59424a1bd18ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af9f2170e9d544b6a4f3a3cdc84711486dfc054d12bb742cb59424a1bd18ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af9f2170e9d544b6a4f3a3cdc84711486dfc054d12bb742cb59424a1bd18ed7", kill_on_drop: false }`
[INFO] [stdout] 9af9f2170e9d544b6a4f3a3cdc84711486dfc054d12bb742cb59424a1bd18ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520f3b1f0043f53eb75245afb62aa88fc96e877760886e7d2d574b7c986f73cb
[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" "520f3b1f0043f53eb75245afb62aa88fc96e877760886e7d2d574b7c986f73cb", kill_on_drop: false }`
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking rpassword v0.2.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking lsio v0.1.18
[INFO] [stdout] error[E0428]: the name `println_color_quiet` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lsio-0.1.18/src/macros.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 52  | macro_rules! println_color_quiet {
[INFO] [stdout]     | -------------------------------- previous definition of the macro `println_color_quiet` here
[INFO] [stdout] ...
[INFO] [stdout] 100 | macro_rules! println_color_quiet {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `println_color_quiet` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `println_color_quiet` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsio`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "520f3b1f0043f53eb75245afb62aa88fc96e877760886e7d2d574b7c986f73cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520f3b1f0043f53eb75245afb62aa88fc96e877760886e7d2d574b7c986f73cb", kill_on_drop: false }`
[INFO] [stdout] 520f3b1f0043f53eb75245afb62aa88fc96e877760886e7d2d574b7c986f73cb