[INFO] fetching crate assert_let 0.1.0...
[INFO] testing assert_let-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate assert_let 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate assert_let 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 assert_let 0.1.0
[INFO] finished tweaking crates.io crate assert_let 0.1.0
[INFO] tweaked toml for crates.io crate assert_let 0.1.0 written to /workspace/builds/worker-42/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] dc2fb4868e31e91125f4e4bcb02ef17db9a7a0c0bb27595f51b1ef235e9c7003
[INFO] running `Command { std: "docker" "start" "-a" "dc2fb4868e31e91125f4e4bcb02ef17db9a7a0c0bb27595f51b1ef235e9c7003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2fb4868e31e91125f4e4bcb02ef17db9a7a0c0bb27595f51b1ef235e9c7003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2fb4868e31e91125f4e4bcb02ef17db9a7a0c0bb27595f51b1ef235e9c7003", kill_on_drop: false }`
[INFO] [stdout] dc2fb4868e31e91125f4e4bcb02ef17db9a7a0c0bb27595f51b1ef235e9c7003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 183747431bf921bb056caba5c9274018a7bbf3cdf7ef78400974fb3cb136705d
[INFO] running `Command { std: "docker" "start" "-a" "183747431bf921bb056caba5c9274018a7bbf3cdf7ef78400974fb3cb136705d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling assert_let v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "183747431bf921bb056caba5c9274018a7bbf3cdf7ef78400974fb3cb136705d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183747431bf921bb056caba5c9274018a7bbf3cdf7ef78400974fb3cb136705d", kill_on_drop: false }`
[INFO] [stdout] 183747431bf921bb056caba5c9274018a7bbf3cdf7ef78400974fb3cb136705d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 0f14c1d020d18ac919045212af010c4487f969f3093e9cfce66f6c39027cf5b1
[INFO] running `Command { std: "docker" "start" "-a" "0f14c1d020d18ac919045212af010c4487f969f3093e9cfce66f6c39027cf5b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling assert_let v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "0f14c1d020d18ac919045212af010c4487f969f3093e9cfce66f6c39027cf5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f14c1d020d18ac919045212af010c4487f969f3093e9cfce66f6c39027cf5b1", kill_on_drop: false }`
[INFO] [stdout] 0f14c1d020d18ac919045212af010c4487f969f3093e9cfce66f6c39027cf5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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", kill_on_drop: false }`
[INFO] [stdout] 79c9b5f2b094da3e3cf5aadd078e71c465d9b328d6c73e3dc23f88ad1b9cd84f
[INFO] running `Command { std: "docker" "start" "-a" "79c9b5f2b094da3e3cf5aadd078e71c465d9b328d6c73e3dc23f88ad1b9cd84f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assert_let-ed66ca9cc3d1dbb0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assert_let
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79c9b5f2b094da3e3cf5aadd078e71c465d9b328d6c73e3dc23f88ad1b9cd84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c9b5f2b094da3e3cf5aadd078e71c465d9b328d6c73e3dc23f88ad1b9cd84f", kill_on_drop: false }`
[INFO] [stdout] 79c9b5f2b094da3e3cf5aadd078e71c465d9b328d6c73e3dc23f88ad1b9cd84f