[INFO] fetching crate v_jsonescape 0.5.0...
[INFO] testing v_jsonescape-0.5.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate v_jsonescape 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate v_jsonescape 0.5.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v_jsonescape 0.5.0
[INFO] finished tweaking crates.io crate v_jsonescape 0.5.0
[INFO] tweaked toml for crates.io crate v_jsonescape 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015f9496def7cb3d44fdfc39a840938faec1d66c6e1077c7c82f52adf72f01e6
[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" "015f9496def7cb3d44fdfc39a840938faec1d66c6e1077c7c82f52adf72f01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015f9496def7cb3d44fdfc39a840938faec1d66c6e1077c7c82f52adf72f01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015f9496def7cb3d44fdfc39a840938faec1d66c6e1077c7c82f52adf72f01e6", kill_on_drop: false }`
[INFO] [stdout] 015f9496def7cb3d44fdfc39a840938faec1d66c6e1077c7c82f52adf72f01e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037c2c9222a0c9d4bc99a1b35c75badb85aa2acc26df62489436dd47ab831f54
[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" "037c2c9222a0c9d4bc99a1b35c75badb85aa2acc26df62489436dd47ab831f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling v_escape v0.16.1
[INFO] [stderr]    Compiling v_jsonescape v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling buf-min v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `Command { std: "docker" "inspect" "037c2c9222a0c9d4bc99a1b35c75badb85aa2acc26df62489436dd47ab831f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037c2c9222a0c9d4bc99a1b35c75badb85aa2acc26df62489436dd47ab831f54", kill_on_drop: false }`
[INFO] [stdout] 037c2c9222a0c9d4bc99a1b35c75badb85aa2acc26df62489436dd47ab831f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cd08a41bec29b62e35f58c6e2d35d64a5a2d66fc3be3a5c0fa7d71e43183c0
[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" "31cd08a41bec29b62e35f58c6e2d35d64a5a2d66fc3be3a5c0fa7d71e43183c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_jsonescape v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "31cd08a41bec29b62e35f58c6e2d35d64a5a2d66fc3be3a5c0fa7d71e43183c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cd08a41bec29b62e35f58c6e2d35d64a5a2d66fc3be3a5c0fa7d71e43183c0", kill_on_drop: false }`
[INFO] [stdout] 31cd08a41bec29b62e35f58c6e2d35d64a5a2d66fc3be3a5c0fa7d71e43183c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 470efc9cee2fca52e6bf2dd2eac201c93413ed1eb8a0961bfd5ed008dd44d05a
[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" "470efc9cee2fca52e6bf2dd2eac201c93413ed1eb8a0961bfd5ed008dd44d05a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/v_jsonescape-78e61abd23189992)
[INFO] [stdout] test test::test_escape ... ok
[INFO] [stderr]    Doc-tests v_jsonescape
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "470efc9cee2fca52e6bf2dd2eac201c93413ed1eb8a0961bfd5ed008dd44d05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470efc9cee2fca52e6bf2dd2eac201c93413ed1eb8a0961bfd5ed008dd44d05a", kill_on_drop: false }`
[INFO] [stdout] 470efc9cee2fca52e6bf2dd2eac201c93413ed1eb8a0961bfd5ed008dd44d05a