[INFO] fetching crate io 0.0.2...
[INFO] testing io-0.0.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate io 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate io 0.0.2
[INFO] finished tweaking crates.io crate io 0.0.2
[INFO] tweaked toml for crates.io crate io 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io 0.0.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c6f55d78898712676ea958aa35c237a96842f3120b6d28e7fd26da54ea91da
[INFO] running `Command { std: "docker" "start" "-a" "b8c6f55d78898712676ea958aa35c237a96842f3120b6d28e7fd26da54ea91da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c6f55d78898712676ea958aa35c237a96842f3120b6d28e7fd26da54ea91da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c6f55d78898712676ea958aa35c237a96842f3120b6d28e7fd26da54ea91da", kill_on_drop: false }`
[INFO] [stdout] b8c6f55d78898712676ea958aa35c237a96842f3120b6d28e7fd26da54ea91da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46f0d50d5f8b984f409936f9ca03c3179e4ff56f61f67fd9474616231da0f6d
[INFO] running `Command { std: "docker" "start" "-a" "d46f0d50d5f8b984f409936f9ca03c3179e4ff56f61f67fd9474616231da0f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling gear-dlmalloc v0.2.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling gear-stack-buffer v1.9.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling enum-iterator-derive v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling libc-print v0.1.23
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling str-buf v3.0.3
[INFO] [stderr]    Compiling gsys v1.9.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]    Compiling gear-ss58 v1.9.0
[INFO] [stderr]    Compiling galloc v1.9.0
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling enum-iterator v1.5.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling scale-info v2.11.6
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling gear-core-errors v1.9.0
[INFO] [stderr]    Compiling gmeta v1.7.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling gprimitives v1.9.0
[INFO] [stderr]    Compiling gcore v1.9.0
[INFO] [stderr]    Compiling gstd-codegen v1.9.0
[INFO] [stderr]    Compiling gstd v1.9.0
[INFO] [stderr]    Compiling io v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "d46f0d50d5f8b984f409936f9ca03c3179e4ff56f61f67fd9474616231da0f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46f0d50d5f8b984f409936f9ca03c3179e4ff56f61f67fd9474616231da0f6d", kill_on_drop: false }`
[INFO] [stdout] d46f0d50d5f8b984f409936f9ca03c3179e4ff56f61f67fd9474616231da0f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4d228e31a25e626d5786affa05986258d871173523d7790d6038f15d884bd8
[INFO] running `Command { std: "docker" "start" "-a" "bb4d228e31a25e626d5786affa05986258d871173523d7790d6038f15d884bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling io v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "bb4d228e31a25e626d5786affa05986258d871173523d7790d6038f15d884bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4d228e31a25e626d5786affa05986258d871173523d7790d6038f15d884bd8", kill_on_drop: false }`
[INFO] [stdout] bb4d228e31a25e626d5786affa05986258d871173523d7790d6038f15d884bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 850cfe4fa3ab342688f59cf6191a74764e9ba10f75e6d9930658ce6cfdf13f72
[INFO] running `Command { std: "docker" "start" "-a" "850cfe4fa3ab342688f59cf6191a74764e9ba10f75e6d9930658ce6cfdf13f72", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/io-7676ef200d8054ce)
[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] [stderr]    Doc-tests io
[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" "850cfe4fa3ab342688f59cf6191a74764e9ba10f75e6d9930658ce6cfdf13f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850cfe4fa3ab342688f59cf6191a74764e9ba10f75e6d9930658ce6cfdf13f72", kill_on_drop: false }`
[INFO] [stdout] 850cfe4fa3ab342688f59cf6191a74764e9ba10f75e6d9930658ce6cfdf13f72