[INFO] fetching crate license-exprs 1.5.0...
[INFO] checking license-exprs-1.5.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate license-exprs 1.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate license-exprs 1.5.0 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 license-exprs 1.5.0
[INFO] finished tweaking crates.io crate license-exprs 1.5.0
[INFO] tweaked toml for crates.io crate license-exprs 1.5.0 written to /workspace/builds/worker-8/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] 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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 4de23f8180ab502cc7c8afff6d151214b9c4fed7f0c28b7a7ba1850590679aed
[INFO] running `Command { std: "docker" "start" "-a" "4de23f8180ab502cc7c8afff6d151214b9c4fed7f0c28b7a7ba1850590679aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de23f8180ab502cc7c8afff6d151214b9c4fed7f0c28b7a7ba1850590679aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de23f8180ab502cc7c8afff6d151214b9c4fed7f0c28b7a7ba1850590679aed", kill_on_drop: false }`
[INFO] [stdout] 4de23f8180ab502cc7c8afff6d151214b9c4fed7f0c28b7a7ba1850590679aed
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ae495a95783b9c78c328c0f369d21e8178cae7d84371fbbbcc028c386bb1787d
[INFO] running `Command { std: "docker" "start" "-a" "ae495a95783b9c78c328c0f369d21e8178cae7d84371fbbbcc028c386bb1787d", kill_on_drop: false }`
[INFO] [stderr]     Checking license-exprs v1.5.0 (/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/lib.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 format.write_fmt(format_args!("{}: {}", self.description(), info))
[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/lib.rs:40:62
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 format.write_fmt(format_args!("{}: {}", self.description(), info))
[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/lib.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 format.write_fmt(format_args!("{}: {}", self.description(), info))
[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/lib.rs:40:62
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 format.write_fmt(format_args!("{}: {}", self.description(), info))
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ae495a95783b9c78c328c0f369d21e8178cae7d84371fbbbcc028c386bb1787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae495a95783b9c78c328c0f369d21e8178cae7d84371fbbbcc028c386bb1787d", kill_on_drop: false }`
[INFO] [stdout] ae495a95783b9c78c328c0f369d21e8178cae7d84371fbbbcc028c386bb1787d