[INFO] fetching crate bidirectional-channel 0.3.1...
[INFO] checking bidirectional-channel-0.3.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate bidirectional-channel 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bidirectional-channel 0.3.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bidirectional-channel 0.3.1
[INFO] finished tweaking crates.io crate bidirectional-channel 0.3.1
[INFO] tweaked toml for crates.io crate bidirectional-channel 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.3
[INFO] [stderr]   Downloaded ntest_timeout v0.7.3
[INFO] [stderr]   Downloaded ntest v0.7.3
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5351631e152c86d4a0bc7f340ad9d7139808dec7e60f15aa54db1bdbc4aeb9bb
[INFO] running `Command { std: "docker" "start" "-a" "5351631e152c86d4a0bc7f340ad9d7139808dec7e60f15aa54db1bdbc4aeb9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5351631e152c86d4a0bc7f340ad9d7139808dec7e60f15aa54db1bdbc4aeb9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5351631e152c86d4a0bc7f340ad9d7139808dec7e60f15aa54db1bdbc4aeb9bb", kill_on_drop: false }`
[INFO] [stdout] 5351631e152c86d4a0bc7f340ad9d7139808dec7e60f15aa54db1bdbc4aeb9bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f16dfca2281725dc69e003ab933f4c0091d8c8a1e22d3b8418e0da9178e31c
[INFO] running `Command { std: "docker" "start" "-a" "73f16dfca2281725dc69e003ab933f4c0091d8c8a1e22d3b8418e0da9178e31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking anyhow v1.0.42
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]     Checking ntest v0.7.3
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking bidirectional-channel v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.00s
[INFO] running `Command { std: "docker" "inspect" "73f16dfca2281725dc69e003ab933f4c0091d8c8a1e22d3b8418e0da9178e31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f16dfca2281725dc69e003ab933f4c0091d8c8a1e22d3b8418e0da9178e31c", kill_on_drop: false }`
[INFO] [stdout] 73f16dfca2281725dc69e003ab933f4c0091d8c8a1e22d3b8418e0da9178e31c