[INFO] fetching crate yat 0.1.0...
[INFO] testing yat-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yat 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate yat 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 yat 0.1.0
[INFO] finished tweaking crates.io crate yat 0.1.0
[INFO] tweaked toml for crates.io crate yat 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate yat 0.1.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded fern v0.5.8
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 564280415b11ae3c80b286208dfd394b58e59dc36e29813dbfaa0894357422b3
[INFO] running `Command { std: "docker" "start" "-a" "564280415b11ae3c80b286208dfd394b58e59dc36e29813dbfaa0894357422b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "564280415b11ae3c80b286208dfd394b58e59dc36e29813dbfaa0894357422b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564280415b11ae3c80b286208dfd394b58e59dc36e29813dbfaa0894357422b3", kill_on_drop: false }`
[INFO] [stdout] 564280415b11ae3c80b286208dfd394b58e59dc36e29813dbfaa0894357422b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] d0498755b1abc8645ee7e1939f8c9aec1c6b017196bb1e301605ee8b61863a00
[INFO] running `Command { std: "docker" "start" "-a" "d0498755b1abc8645ee7e1939f8c9aec1c6b017196bb1e301605ee8b61863a00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling yat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.74s
[INFO] running `Command { std: "docker" "inspect" "d0498755b1abc8645ee7e1939f8c9aec1c6b017196bb1e301605ee8b61863a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0498755b1abc8645ee7e1939f8c9aec1c6b017196bb1e301605ee8b61863a00", kill_on_drop: false }`
[INFO] [stdout] d0498755b1abc8645ee7e1939f8c9aec1c6b017196bb1e301605ee8b61863a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 5a6f0c385e77e4900757e719de0ed175fc44824c74e762ec0c7615a6bd06be46
[INFO] running `Command { std: "docker" "start" "-a" "5a6f0c385e77e4900757e719de0ed175fc44824c74e762ec0c7615a6bd06be46", kill_on_drop: false }`
[INFO] [stderr]    Compiling yat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "5a6f0c385e77e4900757e719de0ed175fc44824c74e762ec0c7615a6bd06be46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6f0c385e77e4900757e719de0ed175fc44824c74e762ec0c7615a6bd06be46", kill_on_drop: false }`
[INFO] [stdout] 5a6f0c385e77e4900757e719de0ed175fc44824c74e762ec0c7615a6bd06be46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 96ea3fce8f0c3613f943507492b1454016f8f81ea112c7dd806b5bc2dde4dfe9
[INFO] running `Command { std: "docker" "start" "-a" "96ea3fce8f0c3613f943507492b1454016f8f81ea112c7dd806b5bc2dde4dfe9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yat-3dfc6c0934275e15)
[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]      Running unittests (/opt/rustwide/target/debug/deps/yat-7bdcb0ae3134bb3b)
[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 yat
[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" "96ea3fce8f0c3613f943507492b1454016f8f81ea112c7dd806b5bc2dde4dfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ea3fce8f0c3613f943507492b1454016f8f81ea112c7dd806b5bc2dde4dfe9", kill_on_drop: false }`
[INFO] [stdout] 96ea3fce8f0c3613f943507492b1454016f8f81ea112c7dd806b5bc2dde4dfe9