[INFO] fetching crate to_string 0.1.0...
[INFO] testing to_string-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate to_string 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate to_string 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate to_string 0.1.0
[INFO] finished tweaking crates.io crate to_string 0.1.0
[INFO] tweaked toml for crates.io crate to_string 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116e9e3366fcb09de9165ba3ca94c8e1ae16f9954d5a01f8672eb540d3ac5b53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "116e9e3366fcb09de9165ba3ca94c8e1ae16f9954d5a01f8672eb540d3ac5b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116e9e3366fcb09de9165ba3ca94c8e1ae16f9954d5a01f8672eb540d3ac5b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116e9e3366fcb09de9165ba3ca94c8e1ae16f9954d5a01f8672eb540d3ac5b53", kill_on_drop: false }`
[INFO] [stdout] 116e9e3366fcb09de9165ba3ca94c8e1ae16f9954d5a01f8672eb540d3ac5b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0c0a641f4acd5feca712def8b28000cfe6b0f1064252dacccd30407556ca77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af0c0a641f4acd5feca712def8b28000cfe6b0f1064252dacccd30407556ca77", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "af0c0a641f4acd5feca712def8b28000cfe6b0f1064252dacccd30407556ca77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0c0a641f4acd5feca712def8b28000cfe6b0f1064252dacccd30407556ca77", kill_on_drop: false }`
[INFO] [stdout] af0c0a641f4acd5feca712def8b28000cfe6b0f1064252dacccd30407556ca77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4655e4e29203b414cbb73977ce323fa7f64755bf6d755ca0b6e9cd98ef9f5861
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4655e4e29203b414cbb73977ce323fa7f64755bf6d755ca0b6e9cd98ef9f5861", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4655e4e29203b414cbb73977ce323fa7f64755bf6d755ca0b6e9cd98ef9f5861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4655e4e29203b414cbb73977ce323fa7f64755bf6d755ca0b6e9cd98ef9f5861", kill_on_drop: false }`
[INFO] [stdout] 4655e4e29203b414cbb73977ce323fa7f64755bf6d755ca0b6e9cd98ef9f5861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8aed1f6e4134664330f936462c279cf183f8a04e42a4becd62b5f64822d92369
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8aed1f6e4134664330f936462c279cf183f8a04e42a4becd62b5f64822d92369", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/to_string-8b3cc1e6f299d802)
[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 to_string
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - PointerDisplay::to_pointer_string (line 83) ... ok
[INFO] [stdout] test src/lib.rs - HexaDisplay::to_hexa (line 29) ... ok
[INFO] [stdout] test src/lib.rs - OctalDisplay::to_octal (line 49) ... ok
[INFO] [stdout] test src/lib.rs - DebugDisplay::to_debug_string (line 104) ... ok
[INFO] [stdout] test src/lib.rs - ExpDisplay::to_exp (line 69) ... ok
[INFO] [stdout] test src/lib.rs - PointerDisplay::to_pointer (line 89) ... ok
[INFO] [stdout] test src/lib.rs - DebugDisplay::to_debug (line 109) ... ok
[INFO] [stdout] test src/lib.rs - ExpDisplay::to_exp_string (line 64) ... ok
[INFO] [stdout] test src/lib.rs - HexaDisplay::to_hexa_string (line 23) ... ok
[INFO] [stdout] test src/lib.rs - BinaryDisplay::to_binary_string (line 4) ... ok
[INFO] [stdout] test src/lib.rs - BinaryDisplay::to_bin (line 9) ... ok
[INFO] [stdout] test src/lib.rs - OctalDisplay::to_octal_string (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8aed1f6e4134664330f936462c279cf183f8a04e42a4becd62b5f64822d92369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aed1f6e4134664330f936462c279cf183f8a04e42a4becd62b5f64822d92369", kill_on_drop: false }`
[INFO] [stdout] 8aed1f6e4134664330f936462c279cf183f8a04e42a4becd62b5f64822d92369