[INFO] fetching crate pi_cbor 0.1.0...
[INFO] testing pi_cbor-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate pi_cbor 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pi_cbor 0.1.0
[INFO] finished tweaking crates.io crate pi_cbor 0.1.0
[INFO] tweaked toml for crates.io crate pi_cbor 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_cbor 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_cbor 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3f58cd01ec7846a25a756f2312116228379deb766169ba82072b2542c1f3655
[INFO] running `Command { std: "docker" "start" "-a" "e3f58cd01ec7846a25a756f2312116228379deb766169ba82072b2542c1f3655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f58cd01ec7846a25a756f2312116228379deb766169ba82072b2542c1f3655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f58cd01ec7846a25a756f2312116228379deb766169ba82072b2542c1f3655", kill_on_drop: false }`
[INFO] [stdout] e3f58cd01ec7846a25a756f2312116228379deb766169ba82072b2542c1f3655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa226ec91b8b4ea3141bfe4dfbd6c690616987a6c562dde67ec64aac7121a53f
[INFO] running `Command { std: "docker" "start" "-a" "fa226ec91b8b4ea3141bfe4dfbd6c690616987a6c562dde67ec64aac7121a53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive-deref-rs v0.1.1
[INFO] [stderr]    Compiling pi_num_cmp v0.1.1
[INFO] [stderr]    Compiling pi_cbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "fa226ec91b8b4ea3141bfe4dfbd6c690616987a6c562dde67ec64aac7121a53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa226ec91b8b4ea3141bfe4dfbd6c690616987a6c562dde67ec64aac7121a53f", kill_on_drop: false }`
[INFO] [stdout] fa226ec91b8b4ea3141bfe4dfbd6c690616987a6c562dde67ec64aac7121a53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b0175b6d2f92234d8db0cd75f1ce7ef24469e56e4d73272f312e344bf0e0ceb
[INFO] running `Command { std: "docker" "start" "-a" "7b0175b6d2f92234d8db0cd75f1ce7ef24469e56e4d73272f312e344bf0e0ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_cbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1304:27
[INFO] [stdout]      |
[INFO] [stdout] 1304 |     fn make_decoder(data: &[u8]) -> Decoder {
[INFO] [stdout]      |                           ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1304 |     fn make_decoder(data: &[u8]) -> Decoder<'_> {
[INFO] [stdout]      |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1611:27
[INFO] [stdout]      |
[INFO] [stdout] 1611 |     fn make_decoder(data: &[u8]) -> Decoder {
[INFO] [stdout]      |                           ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1611 |     fn make_decoder(data: &[u8]) -> Decoder<'_> {
[INFO] [stdout]      |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7b0175b6d2f92234d8db0cd75f1ce7ef24469e56e4d73272f312e344bf0e0ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0175b6d2f92234d8db0cd75f1ce7ef24469e56e4d73272f312e344bf0e0ceb", kill_on_drop: false }`
[INFO] [stdout] 7b0175b6d2f92234d8db0cd75f1ce7ef24469e56e4d73272f312e344bf0e0ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5e2560ec35e3adcc5c90b01523bf3117b7a83c64292ad5eb30a28a185df1316
[INFO] running `Command { std: "docker" "start" "-a" "c5e2560ec35e3adcc5c90b01523bf3117b7a83c64292ad5eb30a28a185df1316", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:1304:27
[INFO] [stderr]      |
[INFO] [stderr] 1304 |     fn make_decoder(data: &[u8]) -> Decoder {
[INFO] [stderr]      |                           ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                           |
[INFO] [stderr]      |                           the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1304 |     fn make_decoder(data: &[u8]) -> Decoder<'_> {
[INFO] [stderr]      |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:1611:27
[INFO] [stderr]      |
[INFO] [stderr] 1611 |     fn make_decoder(data: &[u8]) -> Decoder {
[INFO] [stderr]      |                           ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                           |
[INFO] [stderr]      |                           the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1611 |     fn make_decoder(data: &[u8]) -> Decoder<'_> {
[INFO] [stderr]      |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pi_cbor` (lib test) generated 2 warnings (run `cargo fix --lib -p pi_cbor --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_cbor-85cb88eaddb1317d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_tag_bignum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pi_cbor
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5e2560ec35e3adcc5c90b01523bf3117b7a83c64292ad5eb30a28a185df1316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e2560ec35e3adcc5c90b01523bf3117b7a83c64292ad5eb30a28a185df1316", kill_on_drop: false }`
[INFO] [stdout] c5e2560ec35e3adcc5c90b01523bf3117b7a83c64292ad5eb30a28a185df1316