[INFO] fetching crate feature 0.5.1...
[INFO] checking feature-0.5.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate feature 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate feature 0.5.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feature 0.5.1
[INFO] finished tweaking crates.io crate feature 0.5.1
[INFO] tweaked toml for crates.io crate feature 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate feature 0.5.1 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded version v3.0.0
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded bstr v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705e2738749b5166f39809950b408edcc99182e0dbd6e4be8e079a8bfd25bacf
[INFO] running `Command { std: "docker" "start" "-a" "705e2738749b5166f39809950b408edcc99182e0dbd6e4be8e079a8bfd25bacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705e2738749b5166f39809950b408edcc99182e0dbd6e4be8e079a8bfd25bacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705e2738749b5166f39809950b408edcc99182e0dbd6e4be8e079a8bfd25bacf", kill_on_drop: false }`
[INFO] [stdout] 705e2738749b5166f39809950b408edcc99182e0dbd6e4be8e079a8bfd25bacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de99b7a8199c8fc284c99bdd57e4e462bfcf199101a0fc5dbb7551fc7b2222eb
[INFO] running `Command { std: "docker" "start" "-a" "de99b7a8199c8fc284c99bdd57e4e462bfcf199101a0fc5dbb7551fc7b2222eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "de99b7a8199c8fc284c99bdd57e4e462bfcf199101a0fc5dbb7551fc7b2222eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de99b7a8199c8fc284c99bdd57e4e462bfcf199101a0fc5dbb7551fc7b2222eb", kill_on_drop: false }`
[INFO] [stdout] de99b7a8199c8fc284c99bdd57e4e462bfcf199101a0fc5dbb7551fc7b2222eb
[INFO] checking feature-0.5.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate feature 0.5.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate feature 0.5.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feature 0.5.1
[INFO] finished tweaking crates.io crate feature 0.5.1
[INFO] tweaked toml for crates.io crate feature 0.5.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate feature 0.5.1 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ae865bc9fbb12d7b9136943c6d26251fa852d83fc676bf326853d8f1859e6b
[INFO] running `Command { std: "docker" "start" "-a" "07ae865bc9fbb12d7b9136943c6d26251fa852d83fc676bf326853d8f1859e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ae865bc9fbb12d7b9136943c6d26251fa852d83fc676bf326853d8f1859e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ae865bc9fbb12d7b9136943c6d26251fa852d83fc676bf326853d8f1859e6b", kill_on_drop: false }`
[INFO] [stdout] 07ae865bc9fbb12d7b9136943c6d26251fa852d83fc676bf326853d8f1859e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb80c26763d0f9b8b2cda442f75f2e1b73c8a6e340349aa2f35c21ebcd2ce740
[INFO] running `Command { std: "docker" "start" "-a" "eb80c26763d0f9b8b2cda442f75f2e1b73c8a6e340349aa2f35c21ebcd2ce740", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eb80c26763d0f9b8b2cda442f75f2e1b73c8a6e340349aa2f35c21ebcd2ce740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb80c26763d0f9b8b2cda442f75f2e1b73c8a6e340349aa2f35c21ebcd2ce740", kill_on_drop: false }`
[INFO] [stdout] eb80c26763d0f9b8b2cda442f75f2e1b73c8a6e340349aa2f35c21ebcd2ce740
