[INFO] cloning repository https://github.com/Svedrin/sunt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Svedrin/sunt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fsunt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fsunt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d873a27b786af2f065663e7cb4b74759a1eb1ad8
[INFO] checking Svedrin/sunt against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fsunt" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Svedrin/sunt on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Svedrin/sunt
[INFO] finished tweaking git repo https://github.com/Svedrin/sunt
[INFO] tweaked toml for git repo https://github.com/Svedrin/sunt written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Svedrin/sunt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Svedrin/rust-snmp`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded iovec v0.1.1
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded mio v0.6.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10617bea0618da86ec142ff1e5f56283581f1f4b620f01415150669b8a9080cb
[INFO] running `Command { std: "docker" "start" "-a" "10617bea0618da86ec142ff1e5f56283581f1f4b620f01415150669b8a9080cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10617bea0618da86ec142ff1e5f56283581f1f4b620f01415150669b8a9080cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10617bea0618da86ec142ff1e5f56283581f1f4b620f01415150669b8a9080cb", kill_on_drop: false }`
[INFO] [stdout] 10617bea0618da86ec142ff1e5f56283581f1f4b620f01415150669b8a9080cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6a59f5eb77db7423d4cf0dc4aed63ff86b278d5030a6dbbbe3dc3e46469ab2
[INFO] running `Command { std: "docker" "start" "-a" "8e6a59f5eb77db7423d4cf0dc4aed63ff86b278d5030a6dbbbe3dc3e46469ab2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking snmp v0.2.2 (https://github.com/Svedrin/rust-snmp?branch=feature/response-pdus#f7767033)
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking sunt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `snmp` is imported redundantly
[INFO] [stdout]  --> src/oid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snmp;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate snmp;
[INFO] [stdout]   | ------------------ the item `snmp` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `snmp` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snmp;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate snmp;
[INFO] [stdout]   | ------------------ the item `snmp` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]   --> src/mib_sys.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use uname;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate uname;
[INFO] [stdout]    | ------------------- the item `uname` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mib_disks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `snmp` is imported redundantly
[INFO] [stdout]  --> src/oid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snmp;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate snmp;
[INFO] [stdout]   | ------------------ the item `snmp` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `snmp` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snmp;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate snmp;
[INFO] [stdout]   | ------------------ the item `snmp` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]   --> src/mib_sys.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use uname;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate uname;
[INFO] [stdout]    | ------------------- the item `uname` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mib_disks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "8e6a59f5eb77db7423d4cf0dc4aed63ff86b278d5030a6dbbbe3dc3e46469ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6a59f5eb77db7423d4cf0dc4aed63ff86b278d5030a6dbbbe3dc3e46469ab2", kill_on_drop: false }`
[INFO] [stdout] 8e6a59f5eb77db7423d4cf0dc4aed63ff86b278d5030a6dbbbe3dc3e46469ab2