[INFO] fetching crate snmp_mp 0.1.0...
[INFO] checking snmp_mp-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate snmp_mp 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate snmp_mp 0.1.0 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 snmp_mp 0.1.0
[INFO] finished tweaking crates.io crate snmp_mp 0.1.0
[INFO] tweaked toml for crates.io crate snmp_mp 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding yasna v0.3.2 (latest: v0.5.2)
[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 yasna v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1967d28a3714cfc7d1a5122479e1f2fb0c51481d4a247f2ecd3e65916c47286f
[INFO] running `Command { std: "docker" "start" "-a" "1967d28a3714cfc7d1a5122479e1f2fb0c51481d4a247f2ecd3e65916c47286f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1967d28a3714cfc7d1a5122479e1f2fb0c51481d4a247f2ecd3e65916c47286f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1967d28a3714cfc7d1a5122479e1f2fb0c51481d4a247f2ecd3e65916c47286f", kill_on_drop: false }`
[INFO] [stdout] 1967d28a3714cfc7d1a5122479e1f2fb0c51481d4a247f2ecd3e65916c47286f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9182682f9e132fe1102930d3dca4c929242da04c0e815d01931d7c36371b2abc
[INFO] running `Command { std: "docker" "start" "-a" "9182682f9e132fe1102930d3dca4c929242da04c0e815d01931d7c36371b2abc", kill_on_drop: false }`
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking snmp_mp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/scoped_pdu.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use yasna::{self, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/snmp_msg.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use yasna::{self, ASN1Error, ASN1ErrorKind, DERWriter};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/var_bind.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, tags, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass,
[INFO] [stdout]   |     ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/scoped_pdu.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use yasna::{self, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/snmp_msg.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use yasna::{self, ASN1Error, ASN1ErrorKind, DERWriter};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "9182682f9e132fe1102930d3dca4c929242da04c0e815d01931d7c36371b2abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9182682f9e132fe1102930d3dca4c929242da04c0e815d01931d7c36371b2abc", kill_on_drop: false }`
[INFO] [stdout] 9182682f9e132fe1102930d3dca4c929242da04c0e815d01931d7c36371b2abc
[INFO] checking snmp_mp-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate snmp_mp 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate snmp_mp 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snmp_mp 0.1.0
[INFO] finished tweaking crates.io crate snmp_mp 0.1.0
[INFO] tweaked toml for crates.io crate snmp_mp 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding yasna v0.3.2 (latest: v0.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3cf8b88aae839be827ca1e94f6b56fe8e012ef4eb6610b4ea86e9d17f3ae2bb
[INFO] running `Command { std: "docker" "start" "-a" "c3cf8b88aae839be827ca1e94f6b56fe8e012ef4eb6610b4ea86e9d17f3ae2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cf8b88aae839be827ca1e94f6b56fe8e012ef4eb6610b4ea86e9d17f3ae2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cf8b88aae839be827ca1e94f6b56fe8e012ef4eb6610b4ea86e9d17f3ae2bb", kill_on_drop: false }`
[INFO] [stdout] c3cf8b88aae839be827ca1e94f6b56fe8e012ef4eb6610b4ea86e9d17f3ae2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad22f83c9deca8cef61d743ed4e649a97f89733c20f4ae543be1f18cce69e709
[INFO] running `Command { std: "docker" "start" "-a" "ad22f83c9deca8cef61d743ed4e649a97f89733c20f4ae543be1f18cce69e709", kill_on_drop: false }`
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking snmp_mp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/scoped_pdu.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use yasna::{self, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/snmp_msg.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use yasna::{self, ASN1Error, ASN1ErrorKind, DERWriter};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/scoped_pdu.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use yasna::{self, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/snmp_msg.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use yasna::{self, ASN1Error, ASN1ErrorKind, DERWriter};
[INFO] [stdout]   |             ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `yasna` is imported redundantly
[INFO] [stdout]  --> src/var_bind.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, tags, ASN1Error, ASN1ErrorKind, ASN1Result, BERReader, DERWriter, Tag, TagClass,
[INFO] [stdout]   |     ^^^^ the item `yasna` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "ad22f83c9deca8cef61d743ed4e649a97f89733c20f4ae543be1f18cce69e709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad22f83c9deca8cef61d743ed4e649a97f89733c20f4ae543be1f18cce69e709", kill_on_drop: false }`
[INFO] [stdout] ad22f83c9deca8cef61d743ed4e649a97f89733c20f4ae543be1f18cce69e709