[INFO] fetching crate ozelot 0.9.0...
[INFO] checking ozelot-0.9.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate ozelot 0.9.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ozelot 0.9.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ozelot 0.9.0
[INFO] finished tweaking crates.io crate ozelot 0.9.0
[INFO] tweaked toml for crates.io crate ozelot 0.9.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ozelot 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a626603cf6684f796b8d41c27aeaa3c4270b2179fef6fcefbc785f312ccdc0d
[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" "2a626603cf6684f796b8d41c27aeaa3c4270b2179fef6fcefbc785f312ccdc0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a626603cf6684f796b8d41c27aeaa3c4270b2179fef6fcefbc785f312ccdc0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a626603cf6684f796b8d41c27aeaa3c4270b2179fef6fcefbc785f312ccdc0d", kill_on_drop: false }`
[INFO] [stdout] 2a626603cf6684f796b8d41c27aeaa3c4270b2179fef6fcefbc785f312ccdc0d
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87412d43164d69bec138495063664e56fb0532deb01fbba42e76dd7eeb33484e
[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" "87412d43164d69bec138495063664e56fb0532deb01fbba42e76dd7eeb33484e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking ozelot v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> examples/textclient.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let msg = msg.trim_right().to_string();
[INFO] [stdout]    |                           ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "87412d43164d69bec138495063664e56fb0532deb01fbba42e76dd7eeb33484e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87412d43164d69bec138495063664e56fb0532deb01fbba42e76dd7eeb33484e", kill_on_drop: false }`
[INFO] [stdout] 87412d43164d69bec138495063664e56fb0532deb01fbba42e76dd7eeb33484e