[INFO] fetching crate tfbotlib 0.1.6...
[INFO] checking tfbotlib-0.1.6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate tfbotlib 0.1.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tfbotlib 0.1.6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfbotlib 0.1.6
[INFO] finished tweaking crates.io crate tfbotlib 0.1.6
[INFO] tweaked toml for crates.io crate tfbotlib 0.1.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.13.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.14.0
[INFO] [stderr]   Downloaded rotorlib v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fe5d097b28d2a8a0702340fd402093e390faf73c5a6980040b32693a0aa3c4
[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" "66fe5d097b28d2a8a0702340fd402093e390faf73c5a6980040b32693a0aa3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fe5d097b28d2a8a0702340fd402093e390faf73c5a6980040b32693a0aa3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fe5d097b28d2a8a0702340fd402093e390faf73c5a6980040b32693a0aa3c4", kill_on_drop: false }`
[INFO] [stdout] 66fe5d097b28d2a8a0702340fd402093e390faf73c5a6980040b32693a0aa3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba8a43b2a74c4b74aadf6d2a0b87f96e7f6d3707ed5762d792f7f000087380e
[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" "dba8a43b2a74c4b74aadf6d2a0b87f96e7f6d3707ed5762d792f7f000087380e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-tungstenite v0.14.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking rotorlib v0.5.0
[INFO] [stderr]     Checking hyper v0.14.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking tfbotlib v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::setup::Path`
[INFO] [stdout]  --> src/messages.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::setup::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::setup::Path`
[INFO] [stdout]  --> src/messages.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::setup::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `messages_bus`
[INFO] [stdout]  --> src/messages.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     messages_bus: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/messages.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     connection: Connection,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `messages_bus`
[INFO] [stdout]  --> src/messages.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     messages_bus: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/messages.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     connection: Connection,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.24s
[INFO] running `Command { std: "docker" "inspect" "dba8a43b2a74c4b74aadf6d2a0b87f96e7f6d3707ed5762d792f7f000087380e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba8a43b2a74c4b74aadf6d2a0b87f96e7f6d3707ed5762d792f7f000087380e", kill_on_drop: false }`
[INFO] [stdout] dba8a43b2a74c4b74aadf6d2a0b87f96e7f6d3707ed5762d792f7f000087380e