[INFO] fetching crate marge 0.1.0...
[INFO] checking marge-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate marge 0.1.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate marge 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marge 0.1.0
[INFO] finished tweaking crates.io crate marge 0.1.0
[INFO] tweaked toml for crates.io crate marge 0.1.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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 console v0.7.7
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded dialoguer v0.4.0
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded git2 v0.8.0
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19bcbcbda9ab0886ceb1678de63f6c3ec3194c21a025079c1e9920d52754f580
[INFO] running `Command { std: "docker" "start" "-a" "19bcbcbda9ab0886ceb1678de63f6c3ec3194c21a025079c1e9920d52754f580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19bcbcbda9ab0886ceb1678de63f6c3ec3194c21a025079c1e9920d52754f580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bcbcbda9ab0886ceb1678de63f6c3ec3194c21a025079c1e9920d52754f580", kill_on_drop: false }`
[INFO] [stdout] 19bcbcbda9ab0886ceb1678de63f6c3ec3194c21a025079c1e9920d52754f580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5756d0a325e5b9d2215be49de3000384b2fe83b062845ec380cdd0312877341c
[INFO] running `Command { std: "docker" "start" "-a" "5756d0a325e5b9d2215be49de3000384b2fe83b062845ec380cdd0312877341c", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dialoguer v0.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking marge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.83s
[INFO] running `Command { std: "docker" "inspect" "5756d0a325e5b9d2215be49de3000384b2fe83b062845ec380cdd0312877341c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5756d0a325e5b9d2215be49de3000384b2fe83b062845ec380cdd0312877341c", kill_on_drop: false }`
[INFO] [stdout] 5756d0a325e5b9d2215be49de3000384b2fe83b062845ec380cdd0312877341c
