[INFO] fetching crate alt_serde 1.0.119...
[INFO] checking alt_serde-1.0.119 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate alt_serde 1.0.119 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate alt_serde 1.0.119 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 alt_serde 1.0.119
[INFO] finished tweaking crates.io crate alt_serde 1.0.119
[INFO] tweaked toml for crates.io crate alt_serde 1.0.119 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alt_serde_derive v1.0.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f5e63b186d77e7fb1f8e2e4d5cdde94af2cdddc197da3ece35ee5ff998eea7fd
[INFO] running `Command { std: "docker" "start" "-a" "f5e63b186d77e7fb1f8e2e4d5cdde94af2cdddc197da3ece35ee5ff998eea7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e63b186d77e7fb1f8e2e4d5cdde94af2cdddc197da3ece35ee5ff998eea7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e63b186d77e7fb1f8e2e4d5cdde94af2cdddc197da3ece35ee5ff998eea7fd", kill_on_drop: false }`
[INFO] [stdout] f5e63b186d77e7fb1f8e2e4d5cdde94af2cdddc197da3ece35ee5ff998eea7fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 23ae7c281e8d9590fbd37fa7cb910b4727d19e87a02e4b73bc2b71223126bf1a
[INFO] running `Command { std: "docker" "start" "-a" "23ae7c281e8d9590fbd37fa7cb910b4727d19e87a02e4b73bc2b71223126bf1a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]    Compiling alt_serde v1.0.119 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `mem`
[INFO] [stdout]    --> src/lib.rs:160:37
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub use self::core::{cmp, iter, mem, num, slice, str};
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 | #![deny(missing_docs, unused_imports)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Into` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:167:47
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub use self::core::convert::{self, From, Into};
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alt_serde` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "23ae7c281e8d9590fbd37fa7cb910b4727d19e87a02e4b73bc2b71223126bf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ae7c281e8d9590fbd37fa7cb910b4727d19e87a02e4b73bc2b71223126bf1a", kill_on_drop: false }`
[INFO] [stdout] 23ae7c281e8d9590fbd37fa7cb910b4727d19e87a02e4b73bc2b71223126bf1a
[INFO] checking alt_serde-1.0.119 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate alt_serde 1.0.119 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate alt_serde 1.0.119 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 alt_serde 1.0.119
[INFO] finished tweaking crates.io crate alt_serde 1.0.119
[INFO] tweaked toml for crates.io crate alt_serde 1.0.119 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 13fa72107bfd2ee8e40ef4b33a047fe90960578eced3f98986814e032ebb2a34
[INFO] running `Command { std: "docker" "start" "-a" "13fa72107bfd2ee8e40ef4b33a047fe90960578eced3f98986814e032ebb2a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fa72107bfd2ee8e40ef4b33a047fe90960578eced3f98986814e032ebb2a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fa72107bfd2ee8e40ef4b33a047fe90960578eced3f98986814e032ebb2a34", kill_on_drop: false }`
[INFO] [stdout] 13fa72107bfd2ee8e40ef4b33a047fe90960578eced3f98986814e032ebb2a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8ebef621be5f36adc1db0f4f1d35322398f0cd228b87685248b440737c102e75
[INFO] running `Command { std: "docker" "start" "-a" "8ebef621be5f36adc1db0f4f1d35322398f0cd228b87685248b440737c102e75", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]    Compiling alt_serde v1.0.119 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `mem`
[INFO] [stdout]    --> src/lib.rs:160:37
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub use self::core::{cmp, iter, mem, num, slice, str};
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 | #![deny(missing_docs, unused_imports)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Into` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:167:47
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub use self::core::convert::{self, From, Into};
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]    --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alt_serde` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8ebef621be5f36adc1db0f4f1d35322398f0cd228b87685248b440737c102e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebef621be5f36adc1db0f4f1d35322398f0cd228b87685248b440737c102e75", kill_on_drop: false }`
[INFO] [stdout] 8ebef621be5f36adc1db0f4f1d35322398f0cd228b87685248b440737c102e75
