[INFO] fetching crate tw-rs 0.1.34...
[INFO] checking tw-rs-0.1.34 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate tw-rs 0.1.34 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tw-rs 0.1.34 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tw-rs 0.1.34
[INFO] finished tweaking crates.io crate tw-rs 0.1.34
[INFO] tweaked toml for crates.io crate tw-rs 0.1.34 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.3.11
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded curl-sys v0.2.5
[INFO] [stderr]   Downloaded oauth-client-fix v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a6d5322b168d5e67d2105f47c9c2974f5a50d5bc7ecf8cfd884f0a2d5c6b77b
[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" "0a6d5322b168d5e67d2105f47c9c2974f5a50d5bc7ecf8cfd884f0a2d5c6b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6d5322b168d5e67d2105f47c9c2974f5a50d5bc7ecf8cfd884f0a2d5c6b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6d5322b168d5e67d2105f47c9c2974f5a50d5bc7ecf8cfd884f0a2d5c6b77b", kill_on_drop: false }`
[INFO] [stdout] 0a6d5322b168d5e67d2105f47c9c2974f5a50d5bc7ecf8cfd884f0a2d5c6b77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48296bd423aabef704ddff809452aecda0a411a6fd1d8c398a22cfe4339bff87
[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" "48296bd423aabef704ddff809452aecda0a411a6fd1d8c398a22cfe4339bff87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking libz-sys v1.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking curl v0.3.11
[INFO] [stderr]     Checking oauth-client-fix v0.1.5
[INFO] [stderr]     Checking tw-rs v0.1.34 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...   let mut path_in = std::env::home_dir().expect("Couldn't determine home directory! Please enter path to credentials with -c or --cre...
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...   let mut path_in = std::env::home_dir().expect("Couldn't determine home directory! Please enter path to credentials with -c or --cre...
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 35s
[INFO] running `Command { std: "docker" "inspect" "48296bd423aabef704ddff809452aecda0a411a6fd1d8c398a22cfe4339bff87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48296bd423aabef704ddff809452aecda0a411a6fd1d8c398a22cfe4339bff87", kill_on_drop: false }`
[INFO] [stdout] 48296bd423aabef704ddff809452aecda0a411a6fd1d8c398a22cfe4339bff87