[INFO] fetching crate iotscape 0.5.6...
[INFO] testing iotscape-0.5.6 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate iotscape 0.5.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate iotscape 0.5.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iotscape 0.5.6
[INFO] tweaked toml for crates.io crate iotscape 0.5.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iotscape 0.5.6 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iotscape 0.5.6 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc4126fe4a2309c8b8a4bc68b35a61b5f2197aeed1e8e3cc1c44cb3b2f1c9345
[INFO] running `Command { std: "docker" "start" "-a" "bc4126fe4a2309c8b8a4bc68b35a61b5f2197aeed1e8e3cc1c44cb3b2f1c9345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4126fe4a2309c8b8a4bc68b35a61b5f2197aeed1e8e3cc1c44cb3b2f1c9345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4126fe4a2309c8b8a4bc68b35a61b5f2197aeed1e8e3cc1c44cb3b2f1c9345", kill_on_drop: false }`
[INFO] [stdout] bc4126fe4a2309c8b8a4bc68b35a61b5f2197aeed1e8e3cc1c44cb3b2f1c9345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b281afb20c46453361ebe99beb12ded78812e32133d23b3ee5388aed625a5f11
[INFO] running `Command { std: "docker" "start" "-a" "b281afb20c46453361ebe99beb12ded78812e32133d23b3ee5388aed625a5f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper-util v0.1.7
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling reqwest v0.12.5
[INFO] [stderr]    Compiling iotscape v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MockSocket` is never constructed
[INFO] [stdout]   --> src/socket.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct MockSocket {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NullSocket` is never constructed
[INFO] [stdout]    --> src/socket.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct NullSocket {}
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.62s
[INFO] running `Command { std: "docker" "inspect" "b281afb20c46453361ebe99beb12ded78812e32133d23b3ee5388aed625a5f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b281afb20c46453361ebe99beb12ded78812e32133d23b3ee5388aed625a5f11", kill_on_drop: false }`
[INFO] [stdout] b281afb20c46453361ebe99beb12ded78812e32133d23b3ee5388aed625a5f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5787179753555591e21318922e18a7b81d13735fd78e02029f91008c11458e8
[INFO] running `Command { std: "docker" "start" "-a" "c5787179753555591e21318922e18a7b81d13735fd78e02029f91008c11458e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling webpki-roots v0.26.3
[INFO] [stderr]    Compiling rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling simple_logger v5.0.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.6
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.7
[INFO] [stderr]    Compiling tokio-rustls v0.26.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.2
[INFO] [stderr]    Compiling reqwest v0.12.5
[INFO] [stderr]    Compiling iotscape v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MockSocket` is never constructed
[INFO] [stdout]   --> src/socket.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct MockSocket {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NullSocket` is never constructed
[INFO] [stdout]    --> src/socket.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct NullSocket {}
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> examples/example_service_tokio.rs:189:171
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...\"62\" image=\"data:image/png;base64,".to_string() + base64::encode(&image).as_str() + "\"/>";
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> examples/example_service.rs:202:167
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...\"62\" image=\"data:image/png;base64,".to_string() + base64::encode(&image).as_str() + "\"/>";
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MockSocket` is never constructed
[INFO] [stdout]   --> src/socket.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct MockSocket {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NullSocket` is never constructed
[INFO] [stdout]    --> src/socket.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct NullSocket {}
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.53s
[INFO] running `Command { std: "docker" "inspect" "c5787179753555591e21318922e18a7b81d13735fd78e02029f91008c11458e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5787179753555591e21318922e18a7b81d13735fd78e02029f91008c11458e8", kill_on_drop: false }`
[INFO] [stdout] c5787179753555591e21318922e18a7b81d13735fd78e02029f91008c11458e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0c3eaed6a8766e9e7a8f332251a212638091aaca8da5389740c99b486fc6cca
[INFO] running `Command { std: "docker" "start" "-a" "f0c3eaed6a8766e9e7a8f332251a212638091aaca8da5389740c99b486fc6cca", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MockSocket` is never constructed
[INFO] [stderr]   --> src/socket.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub struct MockSocket {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NullSocket` is never constructed
[INFO] [stderr]    --> src/socket.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub struct NullSocket {}
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `iotscape` (lib) generated 2 warnings
[INFO] [stderr] warning: `iotscape` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stderr]    --> examples/example_service.rs:202:167
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...\"62\" image=\"data:image/png;base64,".to_string() + base64::encode(&image).as_str() + "\"/>";
[INFO] [stderr]     |                                                                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stderr]    --> examples/example_service_tokio.rs:189:171
[INFO] [stderr]     |
[INFO] [stderr] 189 | ...\"62\" image=\"data:image/png;base64,".to_string() + base64::encode(&image).as_str() + "\"/>";
[INFO] [stderr]     |                                                                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `iotscape` (example "example_service") generated 1 warning
[INFO] [stderr] warning: `iotscape` (example "example_service_tokio") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iotscape-c6f3fb5c9902c00b)
[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]      Running tests/iotscape.rs (/opt/rustwide/target/debug/deps/iotscape-17b893785893757a)
[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 iotscape
[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" "f0c3eaed6a8766e9e7a8f332251a212638091aaca8da5389740c99b486fc6cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c3eaed6a8766e9e7a8f332251a212638091aaca8da5389740c99b486fc6cca", kill_on_drop: false }`
[INFO] [stdout] f0c3eaed6a8766e9e7a8f332251a212638091aaca8da5389740c99b486fc6cca
