[INFO] fetching crate tw-rs 0.1.34...
[INFO] checking tw-rs-0.1.34 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate tw-rs 0.1.34 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tw-rs 0.1.34 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oauth-client-fix v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18aa18bce8cc1bbfc5c6973be46e81c4a5fad27a17e5357eff59a3cab758e19e
[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" "18aa18bce8cc1bbfc5c6973be46e81c4a5fad27a17e5357eff59a3cab758e19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18aa18bce8cc1bbfc5c6973be46e81c4a5fad27a17e5357eff59a3cab758e19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18aa18bce8cc1bbfc5c6973be46e81c4a5fad27a17e5357eff59a3cab758e19e", kill_on_drop: false }`
[INFO] [stdout] 18aa18bce8cc1bbfc5c6973be46e81c4a5fad27a17e5357eff59a3cab758e19e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db1b1632d87eddc579736beda3482ec79d4e09dd38422ca782d40e5d319d651f
[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" "db1b1632d87eddc579736beda3482ec79d4e09dd38422ca782d40e5d319d651f", 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]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking openssl-sys v0.7.17
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking log v0.3.9
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `Command { std: "docker" "inspect" "db1b1632d87eddc579736beda3482ec79d4e09dd38422ca782d40e5d319d651f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1b1632d87eddc579736beda3482ec79d4e09dd38422ca782d40e5d319d651f", kill_on_drop: false }`
[INFO] [stdout] db1b1632d87eddc579736beda3482ec79d4e09dd38422ca782d40e5d319d651f