[INFO] fetching crate flate2 1.0.20...
[INFO] checking flate2-1.0.20 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate flate2 1.0.20 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate flate2 1.0.20 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flate2 1.0.20
[INFO] finished tweaking crates.io crate flate2 1.0.20
[INFO] tweaked toml for crates.io crate flate2 1.0.20 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate crates.io crate flate2 1.0.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cloudflare-zlib-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d5c4ff7188a349aac0a1ddd45b0bdcf22a1c6c6f7712efffe7c8a61d6e44a9
[INFO] running `Command { std: "docker" "start" "-a" "93d5c4ff7188a349aac0a1ddd45b0bdcf22a1c6c6f7712efffe7c8a61d6e44a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d5c4ff7188a349aac0a1ddd45b0bdcf22a1c6c6f7712efffe7c8a61d6e44a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d5c4ff7188a349aac0a1ddd45b0bdcf22a1c6c6f7712efffe7c8a61d6e44a9", kill_on_drop: false }`
[INFO] [stdout] 93d5c4ff7188a349aac0a1ddd45b0bdcf22a1c6c6f7712efffe7c8a61d6e44a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6297e632aa306b4b25612fede014566abf85d15dfbaa450d5e632283450d51
[INFO] running `Command { std: "docker" "start" "-a" "8c6297e632aa306b4b25612fede014566abf85d15dfbaa450d5e632283450d51", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Migrating examples/zlibencoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzdecoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflateencoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/zlibencoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/early-flush.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzencoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/zlibdecoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzmultidecoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflatedecoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/empty-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzmultidecoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflatedecoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflateencoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/zlibdecoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzbuilder.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/zlibencoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzdecoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzencoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/gunzip.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/tokio.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/zero-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/zlibdecoder-write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzencoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/compress_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/async-reader.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflateencoder-bufread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/gzdecoder-read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/deflatedecoder-read.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.59s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking flate2 v1.0.20 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "8c6297e632aa306b4b25612fede014566abf85d15dfbaa450d5e632283450d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6297e632aa306b4b25612fede014566abf85d15dfbaa450d5e632283450d51", kill_on_drop: false }`
[INFO] [stdout] 8c6297e632aa306b4b25612fede014566abf85d15dfbaa450d5e632283450d51