[INFO] fetching crate constant_sandbox 0.1.0...
[INFO] testing constant_sandbox-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate constant_sandbox 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate constant_sandbox 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 constant_sandbox 0.1.0
[INFO] finished tweaking crates.io crate constant_sandbox 0.1.0
[INFO] tweaked toml for crates.io crate constant_sandbox 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate constant_sandbox 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.16
[INFO] [stderr]   Downloaded lib-ruby-parser v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 46caea0f95165b90a09079d6d1fd091962f2f7fad8d212217b0dc3693e40cb0d
[INFO] running `Command { std: "docker" "start" "-a" "46caea0f95165b90a09079d6d1fd091962f2f7fad8d212217b0dc3693e40cb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46caea0f95165b90a09079d6d1fd091962f2f7fad8d212217b0dc3693e40cb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46caea0f95165b90a09079d6d1fd091962f2f7fad8d212217b0dc3693e40cb0d", kill_on_drop: false }`
[INFO] [stdout] 46caea0f95165b90a09079d6d1fd091962f2f7fad8d212217b0dc3693e40cb0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] c85e1c72146631ca25f8610d3990f8157329e09cc9847537da266294132b33ff
[INFO] running `Command { std: "docker" "start" "-a" "c85e1c72146631ca25f8610d3990f8157329e09cc9847537da266294132b33ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling lib-ruby-parser v3.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling serde_yaml v0.8.16
[INFO] [stderr]    Compiling constant_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "c85e1c72146631ca25f8610d3990f8157329e09cc9847537da266294132b33ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85e1c72146631ca25f8610d3990f8157329e09cc9847537da266294132b33ff", kill_on_drop: false }`
[INFO] [stdout] c85e1c72146631ca25f8610d3990f8157329e09cc9847537da266294132b33ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 89b5203aacd8f824e121ab1cb9207eef473364ca8e5e2bd5ebc65da38ecdd1ca
[INFO] running `Command { std: "docker" "start" "-a" "89b5203aacd8f824e121ab1cb9207eef473364ca8e5e2bd5ebc65da38ecdd1ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling constant_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "89b5203aacd8f824e121ab1cb9207eef473364ca8e5e2bd5ebc65da38ecdd1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b5203aacd8f824e121ab1cb9207eef473364ca8e5e2bd5ebc65da38ecdd1ca", kill_on_drop: false }`
[INFO] [stdout] 89b5203aacd8f824e121ab1cb9207eef473364ca8e5e2bd5ebc65da38ecdd1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 651b8da07c18f3a5df73d682733ba33fd985200e9017bfcf6378db30b88cde5a
[INFO] running `Command { std: "docker" "start" "-a" "651b8da07c18f3a5df73d682733ba33fd985200e9017bfcf6378db30b88cde5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/constant_sandbox-53c1e9cab4b520f5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ruby_box::tests::enforces_box_constraints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "651b8da07c18f3a5df73d682733ba33fd985200e9017bfcf6378db30b88cde5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651b8da07c18f3a5df73d682733ba33fd985200e9017bfcf6378db30b88cde5a", kill_on_drop: false }`
[INFO] [stdout] 651b8da07c18f3a5df73d682733ba33fd985200e9017bfcf6378db30b88cde5a