[INFO] fetching crate fastvarint 0.22.0...
[INFO] testing fastvarint-0.22.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fastvarint 0.22.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fastvarint 0.22.0
[INFO] finished tweaking crates.io crate fastvarint 0.22.0
[INFO] tweaked toml for crates.io crate fastvarint 0.22.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastvarint 0.22.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5766ed490a4815035cb3719ee82487cd40553e2985c92ab220851ccac7f79db5
[INFO] running `Command { std: "docker" "start" "-a" "5766ed490a4815035cb3719ee82487cd40553e2985c92ab220851ccac7f79db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5766ed490a4815035cb3719ee82487cd40553e2985c92ab220851ccac7f79db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5766ed490a4815035cb3719ee82487cd40553e2985c92ab220851ccac7f79db5", kill_on_drop: false }`
[INFO] [stdout] 5766ed490a4815035cb3719ee82487cd40553e2985c92ab220851ccac7f79db5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1ab5d3f660da4c2e3dd40194162f34ecfdebc11372ab49429d5773d2591da1de
[INFO] running `Command { std: "docker" "start" "-a" "1ab5d3f660da4c2e3dd40194162f34ecfdebc11372ab49429d5773d2591da1de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling nonmax v0.5.5
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling fastvarint v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stdout]  --> src/serde.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stdout]  --> src/serde.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stdout]  --> src/serde.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `Command { std: "docker" "inspect" "1ab5d3f660da4c2e3dd40194162f34ecfdebc11372ab49429d5773d2591da1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab5d3f660da4c2e3dd40194162f34ecfdebc11372ab49429d5773d2591da1de", kill_on_drop: false }`
[INFO] [stdout] 1ab5d3f660da4c2e3dd40194162f34ecfdebc11372ab49429d5773d2591da1de
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b696b5460b4b7b3a8ee4438e73be2f4380d10669d5c08acff8649df0eb0fa888
[INFO] running `Command { std: "docker" "start" "-a" "b696b5460b4b7b3a8ee4438e73be2f4380d10669d5c08acff8649df0eb0fa888", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stdout]  --> src/serde.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stdout]  --> src/serde.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fastvarint v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stdout]  --> src/serde.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stdout]  --> src/serde.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stdout]  --> src/serde.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stdout]  --> src/serde.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b696b5460b4b7b3a8ee4438e73be2f4380d10669d5c08acff8649df0eb0fa888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b696b5460b4b7b3a8ee4438e73be2f4380d10669d5c08acff8649df0eb0fa888", kill_on_drop: false }`
[INFO] [stdout] b696b5460b4b7b3a8ee4438e73be2f4380d10669d5c08acff8649df0eb0fa888
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fd6f9a524454f2507e2adc18e89ae8f6c9c4c6f89ba8d2e99c3aee7efb03c09d
[INFO] running `Command { std: "docker" "start" "-a" "fd6f9a524454f2507e2adc18e89ae8f6c9c4c6f89ba8d2e99c3aee7efb03c09d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stderr]  --> src/serde.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stderr]  --> src/serde.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stderr]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stderr]  --> src/serde.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fastvarint` (lib) generated 3 warnings (run `cargo fix --lib -p fastvarint` to apply 3 suggestions)
[INFO] [stderr] warning: `fastvarint` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fastvarint-9266f8f485bbc90c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_decode_var_int ... ok
[INFO] [stdout] test tests::test_encode_var_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd6f9a524454f2507e2adc18e89ae8f6c9c4c6f89ba8d2e99c3aee7efb03c09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6f9a524454f2507e2adc18e89ae8f6c9c4c6f89ba8d2e99c3aee7efb03c09d", kill_on_drop: false }`
[INFO] [stdout] fd6f9a524454f2507e2adc18e89ae8f6c9c4c6f89ba8d2e99c3aee7efb03c09d