[INFO] fetching crate recfiles 0.1.0...
[INFO] testing recfiles-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate recfiles 0.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate recfiles 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recfiles 0.1.0
[INFO] finished tweaking crates.io crate recfiles 0.1.0
[INFO] tweaked toml for crates.io crate recfiles 0.1.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6fdf6a74e5f54468e3e78b8c38f607d095139b0f89870a00a9bd7fa79623fb
[INFO] running `Command { std: "docker" "start" "-a" "4f6fdf6a74e5f54468e3e78b8c38f607d095139b0f89870a00a9bd7fa79623fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6fdf6a74e5f54468e3e78b8c38f607d095139b0f89870a00a9bd7fa79623fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6fdf6a74e5f54468e3e78b8c38f607d095139b0f89870a00a9bd7fa79623fb", kill_on_drop: false }`
[INFO] [stdout] 4f6fdf6a74e5f54468e3e78b8c38f607d095139b0f89870a00a9bd7fa79623fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e77b682f22603c89d7599e9d8dbddd8923712507a082c8365378bc1a394ff32
[INFO] running `Command { std: "docker" "start" "-a" "6e77b682f22603c89d7599e9d8dbddd8923712507a082c8365378bc1a394ff32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling recfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "6e77b682f22603c89d7599e9d8dbddd8923712507a082c8365378bc1a394ff32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e77b682f22603c89d7599e9d8dbddd8923712507a082c8365378bc1a394ff32", kill_on_drop: false }`
[INFO] [stdout] 6e77b682f22603c89d7599e9d8dbddd8923712507a082c8365378bc1a394ff32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357131817da46a10c4e6507d8579e8935ad62ca8d1e9fbc38b520828ee6b1b6f
[INFO] running `Command { std: "docker" "start" "-a" "357131817da46a10c4e6507d8579e8935ad62ca8d1e9fbc38b520828ee6b1b6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling recfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serde_rec`
[INFO] [stdout]   --> src/descriptor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     extern crate serde_rec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_rec`
[INFO] [stdout]   --> src/records.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     extern crate serde_rec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_string` in this scope
[INFO] [stdout]   --> src/descriptor.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |             assert_eq!(to_string(&test).unwrap(), "%rec: Test\n\n")
[INFO] [stdout]    |                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_string` in this scope
[INFO] [stdout]   --> src/descriptor.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 to_string(&test).unwrap(),
[INFO] [stdout]    |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/records.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         impl Record for Book {};
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/records.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |         impl Record for Book {};
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recfiles` due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "357131817da46a10c4e6507d8579e8935ad62ca8d1e9fbc38b520828ee6b1b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357131817da46a10c4e6507d8579e8935ad62ca8d1e9fbc38b520828ee6b1b6f", kill_on_drop: false }`
[INFO] [stdout] 357131817da46a10c4e6507d8579e8935ad62ca8d1e9fbc38b520828ee6b1b6f