[INFO] fetching crate sloppy-rfc4880 0.2.0...
[INFO] checking sloppy-rfc4880-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sloppy-rfc4880 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sloppy-rfc4880 0.2.0 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 crates.io crate sloppy-rfc4880 0.2.0
[INFO] finished tweaking crates.io crate sloppy-rfc4880 0.2.0
[INFO] tweaked toml for crates.io crate sloppy-rfc4880 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate sloppy-rfc4880 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded sha-1 v0.9.1
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded env_logger v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6b25e7646889a3764dedd5c68c6c1b8bcc778fb149a54e864ef93fdd307865f0
[INFO] running `Command { std: "docker" "start" "-a" "6b25e7646889a3764dedd5c68c6c1b8bcc778fb149a54e864ef93fdd307865f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b25e7646889a3764dedd5c68c6c1b8bcc778fb149a54e864ef93fdd307865f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b25e7646889a3764dedd5c68c6c1b8bcc778fb149a54e864ef93fdd307865f0", kill_on_drop: false }`
[INFO] [stdout] 6b25e7646889a3764dedd5c68c6c1b8bcc778fb149a54e864ef93fdd307865f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7d17c13283c9075a764b29a03a90a5979ef4412200b209124e95802bb4dc80c1
[INFO] running `Command { std: "docker" "start" "-a" "7d17c13283c9075a764b29a03a90a5979ef4412200b209124e95802bb4dc80c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking sloppy-rfc4880 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_mpi` is never used
[INFO] [stdout]  --> src/encoding.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait ReadValue<'a> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 6 |     fn read_string(&mut self) -> Result<&'a [u8]>;
[INFO] [stdout] 7 |     fn read_mpi(&mut self) -> Result<&'a [u8]>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_mpi` is never used
[INFO] [stdout]  --> src/encoding.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait ReadValue<'a> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 6 |     fn read_string(&mut self) -> Result<&'a [u8]>;
[INFO] [stdout] 7 |     fn read_mpi(&mut self) -> Result<&'a [u8]>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "7d17c13283c9075a764b29a03a90a5979ef4412200b209124e95802bb4dc80c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d17c13283c9075a764b29a03a90a5979ef4412200b209124e95802bb4dc80c1", kill_on_drop: false }`
[INFO] [stdout] 7d17c13283c9075a764b29a03a90a5979ef4412200b209124e95802bb4dc80c1