[INFO] fetching crate mothra 0.3.0...
[INFO] checking mothra-0.3.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate mothra 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mothra 0.3.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mothra 0.3.0
[INFO] finished tweaking crates.io crate mothra 0.3.0
[INFO] tweaked toml for crates.io crate mothra 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067bd40df2e3747e2a1edf7e39acbdb90ffeb3c17e10866fe4cf20b54c4671e6
[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" "067bd40df2e3747e2a1edf7e39acbdb90ffeb3c17e10866fe4cf20b54c4671e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067bd40df2e3747e2a1edf7e39acbdb90ffeb3c17e10866fe4cf20b54c4671e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067bd40df2e3747e2a1edf7e39acbdb90ffeb3c17e10866fe4cf20b54c4671e6", kill_on_drop: false }`
[INFO] [stdout] 067bd40df2e3747e2a1edf7e39acbdb90ffeb3c17e10866fe4cf20b54c4671e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f62bad48c9bf3ffd1f62216bc584e70b0b6bb3cc694ac5cbcdd694457f6a9e0
[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" "3f62bad48c9bf3ffd1f62216bc584e70b0b6bb3cc694ac5cbcdd694457f6a9e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tabular v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking mothra v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:48:87
[INFO] [stdout]    |
[INFO] [stdout] 48 | ...                   Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:53:89
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:70:87
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:75:89
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...                   Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:48:87
[INFO] [stdout]    |
[INFO] [stdout] 48 | ...                   Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:53:89
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:70:87
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:75:89
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...                   Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.10s
[INFO] running `Command { std: "docker" "inspect" "3f62bad48c9bf3ffd1f62216bc584e70b0b6bb3cc694ac5cbcdd694457f6a9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f62bad48c9bf3ffd1f62216bc584e70b0b6bb3cc694ac5cbcdd694457f6a9e0", kill_on_drop: false }`
[INFO] [stdout] 3f62bad48c9bf3ffd1f62216bc584e70b0b6bb3cc694ac5cbcdd694457f6a9e0