[INFO] fetching crate tinyjson 2.2.0...
[INFO] testing tinyjson-2.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tinyjson 2.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tinyjson 2.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinyjson 2.2.0
[INFO] finished tweaking crates.io crate tinyjson 2.2.0
[INFO] tweaked toml for crates.io crate tinyjson 2.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate tinyjson 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3abcd82c896f0b5074cbbec690f1c0e3e1a388b5b491d493c987a57212ecb3
[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" "fc3abcd82c896f0b5074cbbec690f1c0e3e1a388b5b491d493c987a57212ecb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3abcd82c896f0b5074cbbec690f1c0e3e1a388b5b491d493c987a57212ecb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3abcd82c896f0b5074cbbec690f1c0e3e1a388b5b491d493c987a57212ecb3", kill_on_drop: false }`
[INFO] [stdout] fc3abcd82c896f0b5074cbbec690f1c0e3e1a388b5b491d493c987a57212ecb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ef183558870ff0fb8f2161febce6498fc660e3d001ad9744a8fe64cf1e0e1ba
[INFO] running `Command { std: "docker" "start" "-a" "7ef183558870ff0fb8f2161febce6498fc660e3d001ad9744a8fe64cf1e0e1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyjson v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7ef183558870ff0fb8f2161febce6498fc660e3d001ad9744a8fe64cf1e0e1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef183558870ff0fb8f2161febce6498fc660e3d001ad9744a8fe64cf1e0e1ba", kill_on_drop: false }`
[INFO] [stdout] 7ef183558870ff0fb8f2161febce6498fc660e3d001ad9744a8fe64cf1e0e1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0050e173705c8d46157ec1c4746f2cb966e99f7b1bc43486d83de50303955dd8
[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" "0050e173705c8d46157ec1c4746f2cb966e99f7b1bc43486d83de50303955dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyjson v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0050e173705c8d46157ec1c4746f2cb966e99f7b1bc43486d83de50303955dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0050e173705c8d46157ec1c4746f2cb966e99f7b1bc43486d83de50303955dd8", kill_on_drop: false }`
[INFO] [stdout] 0050e173705c8d46157ec1c4746f2cb966e99f7b1bc43486d83de50303955dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 126a035f02e57374729f4db2cf88e923b7c555d3e94bb1617003915d2c865a83
[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" "126a035f02e57374729f4db2cf88e923b7c555d3e94bb1617003915d2c865a83", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tinyjson-41c0d631fae16b09
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinyjson
[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] [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" "126a035f02e57374729f4db2cf88e923b7c555d3e94bb1617003915d2c865a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126a035f02e57374729f4db2cf88e923b7c555d3e94bb1617003915d2c865a83", kill_on_drop: false }`
[INFO] [stdout] 126a035f02e57374729f4db2cf88e923b7c555d3e94bb1617003915d2c865a83