[INFO] fetching crate jatsl 0.2.0...
[INFO] testing jatsl-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate jatsl 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate jatsl 0.2.0
[INFO] finished tweaking crates.io crate jatsl 0.2.0
[INFO] tweaked toml for crates.io crate jatsl 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jatsl 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jatsl 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2501294c2c46c7736a16c14f27effc02cd2f4c0ed91e85eae2236e2250300332
[INFO] running `Command { std: "docker" "start" "-a" "2501294c2c46c7736a16c14f27effc02cd2f4c0ed91e85eae2236e2250300332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2501294c2c46c7736a16c14f27effc02cd2f4c0ed91e85eae2236e2250300332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2501294c2c46c7736a16c14f27effc02cd2f4c0ed91e85eae2236e2250300332", kill_on_drop: false }`
[INFO] [stdout] 2501294c2c46c7736a16c14f27effc02cd2f4c0ed91e85eae2236e2250300332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92eb5f15bb2dfd51aa94019a34235fcee665929fa21f6ad16f5dfe8a373cacaf
[INFO] running `Command { std: "docker" "start" "-a" "92eb5f15bb2dfd51aa94019a34235fcee665929fa21f6ad16f5dfe8a373cacaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.7
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling jatsl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.69s
[INFO] running `Command { std: "docker" "inspect" "92eb5f15bb2dfd51aa94019a34235fcee665929fa21f6ad16f5dfe8a373cacaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92eb5f15bb2dfd51aa94019a34235fcee665929fa21f6ad16f5dfe8a373cacaf", kill_on_drop: false }`
[INFO] [stdout] 92eb5f15bb2dfd51aa94019a34235fcee665929fa21f6ad16f5dfe8a373cacaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d022e21ca7af37079dcc7c10553890a0fcbf21471ff4beccb96a8d40cae8969
[INFO] running `Command { std: "docker" "start" "-a" "2d022e21ca7af37079dcc7c10553890a0fcbf21471ff4beccb96a8d40cae8969", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling jatsl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ExampleContext` is never constructed
[INFO] [stdout]  --> examples/basic.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ExampleContext {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "2d022e21ca7af37079dcc7c10553890a0fcbf21471ff4beccb96a8d40cae8969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d022e21ca7af37079dcc7c10553890a0fcbf21471ff4beccb96a8d40cae8969", kill_on_drop: false }`
[INFO] [stdout] 2d022e21ca7af37079dcc7c10553890a0fcbf21471ff4beccb96a8d40cae8969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79a605018b689fe2d4ccd746c0a653fdaa631844057e723d251f3c6c05439aa3
[INFO] running `Command { std: "docker" "start" "-a" "79a605018b689fe2d4ccd746c0a653fdaa631844057e723d251f3c6c05439aa3", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ExampleContext` is never constructed
[INFO] [stderr]  --> examples/basic.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct ExampleContext {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jatsl` (example "basic") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jatsl-56a401eb3f70e59c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test backoff::tests::backoff_is_monotonically_increasing ... ok
[INFO] [stdout] test backoff::tests::backoff_is_not_constant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jatsl
[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" "79a605018b689fe2d4ccd746c0a653fdaa631844057e723d251f3c6c05439aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a605018b689fe2d4ccd746c0a653fdaa631844057e723d251f3c6c05439aa3", kill_on_drop: false }`
[INFO] [stdout] 79a605018b689fe2d4ccd746c0a653fdaa631844057e723d251f3c6c05439aa3