[INFO] fetching crate assayer 0.2.2...
[INFO] checking assayer-0.2.2 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate assayer 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate assayer 0.2.2 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assayer 0.2.2
[INFO] finished tweaking crates.io crate assayer 0.2.2
[INFO] tweaked toml for crates.io crate assayer 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 73d4ffdc473004170a64b2368c9d2f503d8ddc09b608f08cf2ced95155978f5b
[INFO] running `Command { std: "docker" "start" "-a" "73d4ffdc473004170a64b2368c9d2f503d8ddc09b608f08cf2ced95155978f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d4ffdc473004170a64b2368c9d2f503d8ddc09b608f08cf2ced95155978f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d4ffdc473004170a64b2368c9d2f503d8ddc09b608f08cf2ced95155978f5b", kill_on_drop: false }`
[INFO] [stdout] 73d4ffdc473004170a64b2368c9d2f503d8ddc09b608f08cf2ced95155978f5b
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a2a50fe6d67f2e743080559f7cb7102da473566e2f67b5efe605773df55f69
[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" "39a2a50fe6d67f2e743080559f7cb7102da473566e2f67b5efe605773df55f69", kill_on_drop: false }`
[INFO] [stderr]     Checking assayer v0.2.2 (/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/error.rs:38:104
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[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/error.rs:39:116
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[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/error.rs:40:108
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[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/error.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut msg = format!("{}:", self.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/error.rs:38:104
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[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/error.rs:39:116
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[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/error.rs:40:108
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[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/error.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut msg = format!("{}:", self.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 0.51s
[INFO] running `Command { std: "docker" "inspect" "39a2a50fe6d67f2e743080559f7cb7102da473566e2f67b5efe605773df55f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a2a50fe6d67f2e743080559f7cb7102da473566e2f67b5efe605773df55f69", kill_on_drop: false }`
[INFO] [stdout] 39a2a50fe6d67f2e743080559f7cb7102da473566e2f67b5efe605773df55f69