[INFO] fetching crate rustot 0.2.0...
[INFO] checking rustot-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rustot 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustot 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustot 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rustot 0.2.0
[INFO] tweaked toml for crates.io crate rustot 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rustot 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] b266640aab2fbf91ac1c6d51dd3a566962bab6750dc3ef887c898db9ef11b564
[INFO] running `Command { std: "docker" "start" "-a" "b266640aab2fbf91ac1c6d51dd3a566962bab6750dc3ef887c898db9ef11b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b266640aab2fbf91ac1c6d51dd3a566962bab6750dc3ef887c898db9ef11b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b266640aab2fbf91ac1c6d51dd3a566962bab6750dc3ef887c898db9ef11b564", kill_on_drop: false }`
[INFO] [stdout] b266640aab2fbf91ac1c6d51dd3a566962bab6750dc3ef887c898db9ef11b564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a56ce36a46ac10f3908c6d1d29cc7dbf84809b05dfbb66079877757bfb3f54e
[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" "5a56ce36a46ac10f3908c6d1d29cc7dbf84809b05dfbb66079877757bfb3f54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling heapless v0.7.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking bitmaps v3.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling defmt v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.64
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dns-lookup v1.0.7
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.11.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling smlang-macros v0.2.0
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]     Checking smlang v0.4.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking mqttrs v0.4.1
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]     Checking serde-json-core v0.4.0
[INFO] [stderr]     Checking mqttrust v0.2.0
[INFO] [stderr]     Checking mqttrust_core v0.2.0
[INFO] [stderr]     Checking rustot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "5a56ce36a46ac10f3908c6d1d29cc7dbf84809b05dfbb66079877757bfb3f54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a56ce36a46ac10f3908c6d1d29cc7dbf84809b05dfbb66079877757bfb3f54e", kill_on_drop: false }`
[INFO] [stdout] 5a56ce36a46ac10f3908c6d1d29cc7dbf84809b05dfbb66079877757bfb3f54e