[INFO] fetching crate dam 0.1.3...
[INFO] testing dam-0.1.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate dam 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dam 0.1.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dam 0.1.3
[INFO] finished tweaking crates.io crate dam 0.1.3
[INFO] tweaked toml for crates.io crate dam 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 898c74305973b6dd21ff94992ae69a89a665b0e09a2589ded28d138434c2c0c1
[INFO] running `Command { std: "docker" "start" "-a" "898c74305973b6dd21ff94992ae69a89a665b0e09a2589ded28d138434c2c0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "898c74305973b6dd21ff94992ae69a89a665b0e09a2589ded28d138434c2c0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898c74305973b6dd21ff94992ae69a89a665b0e09a2589ded28d138434c2c0c1", kill_on_drop: false }`
[INFO] [stdout] 898c74305973b6dd21ff94992ae69a89a665b0e09a2589ded28d138434c2c0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 022ca3118b08b440c2f9ac11b0e9a33c3047b811ff45b4f24e24a284f6b0b3af
[INFO] running `Command { std: "docker" "start" "-a" "022ca3118b08b440c2f9ac11b0e9a33c3047b811ff45b4f24e24a284f6b0b3af", 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]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling rexif v0.3.7
[INFO] [stderr]    Compiling checksum v0.2.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.11.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling open v1.7.1
[INFO] [stderr]    Compiling rusqlite v0.16.0
[INFO] [stderr]    Compiling dam v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/error.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl From<std::option::NoneError> for Error {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/error.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn from(_e: std::option::NoneError) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait, uniform_paths)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/error.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl From<&str> for Error {
[INFO] [stdout]    |      ^^^^^^^^^^ cannot infer type for struct `error::Error`
[INFO] [stdout]    |
[INFO] [stdout] note: multiple `impl`s satisfying `error::Error: From<&str>` found
[INFO] [stdout]   --> src/error.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl From<&str> for Error {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | impl From<std::option::NoneError> for Error {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dam` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "022ca3118b08b440c2f9ac11b0e9a33c3047b811ff45b4f24e24a284f6b0b3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022ca3118b08b440c2f9ac11b0e9a33c3047b811ff45b4f24e24a284f6b0b3af", kill_on_drop: false }`
[INFO] [stdout] 022ca3118b08b440c2f9ac11b0e9a33c3047b811ff45b4f24e24a284f6b0b3af