[INFO] fetching crate twist-deflate 0.1.0...
[INFO] testing twist-deflate-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate twist-deflate 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twist-deflate 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twist-deflate 0.1.0
[INFO] finished tweaking crates.io crate twist-deflate 0.1.0
[INFO] tweaked toml for crates.io crate twist-deflate 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64 v0.3.1
[INFO] [stderr]   Downloaded twist v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725a347343d07ddfa86deced4f7e213437208d77a1f6f94244aacfdf0d8c6261
[INFO] running `Command { std: "docker" "start" "-a" "725a347343d07ddfa86deced4f7e213437208d77a1f6f94244aacfdf0d8c6261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725a347343d07ddfa86deced4f7e213437208d77a1f6f94244aacfdf0d8c6261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725a347343d07ddfa86deced4f7e213437208d77a1f6f94244aacfdf0d8c6261", kill_on_drop: false }`
[INFO] [stdout] 725a347343d07ddfa86deced4f7e213437208d77a1f6f94244aacfdf0d8c6261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16e34285ad65cc2bc5459b042bcc505aa402fb59d01d33eb0913e9c4aa4e7f4
[INFO] running `Command { std: "docker" "start" "-a" "c16e34285ad65cc2bc5459b042bcc505aa402fb59d01d33eb0913e9c4aa4e7f4", 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]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling sha1 v0.2.0
[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 num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.3.1
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-atomic v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.14
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[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling twist v0.1.4
[INFO] [stderr]    Compiling twist-deflate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `server_max_window_bits`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     server_max_window_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     stderr: Option<Logger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.45s
[INFO] running `Command { std: "docker" "inspect" "c16e34285ad65cc2bc5459b042bcc505aa402fb59d01d33eb0913e9c4aa4e7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16e34285ad65cc2bc5459b042bcc505aa402fb59d01d33eb0913e9c4aa4e7f4", kill_on_drop: false }`
[INFO] [stdout] c16e34285ad65cc2bc5459b042bcc505aa402fb59d01d33eb0913e9c4aa4e7f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ef53056748517420e6a10ae15361030b83b14a4b018aad0b75398956fb8fa08
[INFO] running `Command { std: "docker" "start" "-a" "7ef53056748517420e6a10ae15361030b83b14a4b018aad0b75398956fb8fa08", 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]    Compiling twist-deflate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `server_max_window_bits`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     server_max_window_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     stderr: Option<Logger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server_max_window_bits`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     server_max_window_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     stderr: Option<Logger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "7ef53056748517420e6a10ae15361030b83b14a4b018aad0b75398956fb8fa08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef53056748517420e6a10ae15361030b83b14a4b018aad0b75398956fb8fa08", kill_on_drop: false }`
[INFO] [stdout] 7ef53056748517420e6a10ae15361030b83b14a4b018aad0b75398956fb8fa08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b7d044b1ee71f5f0dbed2af03a68ca616299eede8ebfd99b31049118065171b
[INFO] running `Command { std: "docker" "start" "-a" "3b7d044b1ee71f5f0dbed2af03a68ca616299eede8ebfd99b31049118065171b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `server_max_window_bits`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     server_max_window_bits: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stderr`
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     stderr: Option<Logger>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `server_max_window_bits`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     server_max_window_bits: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stderr`
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     stderr: Option<Logger>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twist_deflate-577d6ed41f0eaa3a)
[INFO] [stderr]    Doc-tests twist-deflate
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "3b7d044b1ee71f5f0dbed2af03a68ca616299eede8ebfd99b31049118065171b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7d044b1ee71f5f0dbed2af03a68ca616299eede8ebfd99b31049118065171b", kill_on_drop: false }`
[INFO] [stdout] 3b7d044b1ee71f5f0dbed2af03a68ca616299eede8ebfd99b31049118065171b