[INFO] fetching crate thirtyfour_sync 0.21.1...
[INFO] checking thirtyfour_sync-0.21.1 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate thirtyfour_sync 0.21.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate thirtyfour_sync 0.21.1 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thirtyfour_sync 0.21.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate thirtyfour_sync 0.21.1
[INFO] tweaked toml for crates.io crate thirtyfour_sync 0.21.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate thirtyfour_sync 0.21.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", 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] 5c8f5d9317fffe3a690cdbe8cebc2385b95f9e22142c8fb65f26cafdf2fab97f
[INFO] running `Command { std: "docker" "start" "-a" "5c8f5d9317fffe3a690cdbe8cebc2385b95f9e22142c8fb65f26cafdf2fab97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c8f5d9317fffe3a690cdbe8cebc2385b95f9e22142c8fb65f26cafdf2fab97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8f5d9317fffe3a690cdbe8cebc2385b95f9e22142c8fb65f26cafdf2fab97f", kill_on_drop: false }`
[INFO] [stdout] 5c8f5d9317fffe3a690cdbe8cebc2385b95f9e22142c8fb65f26cafdf2fab97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26eb268f675ee711c559c1890bb69876b48383bc78bd326e1bd8800cdb505253
[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" "26eb268f675ee711c559c1890bb69876b48383bc78bd326e1bd8800cdb505253", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.10
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking thirtyfour v0.21.0
[INFO] [stderr]     Checking thirtyfour_sync v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "26eb268f675ee711c559c1890bb69876b48383bc78bd326e1bd8800cdb505253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26eb268f675ee711c559c1890bb69876b48383bc78bd326e1bd8800cdb505253", kill_on_drop: false }`
[INFO] [stdout] 26eb268f675ee711c559c1890bb69876b48383bc78bd326e1bd8800cdb505253