[INFO] cloning repository https://github.com/rbost/blocking_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbost/blocking_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbost%2Fblocking_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbost%2Fblocking_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad227bcd932a5c7ab597ac7407d2cbe824d8c3b1 [INFO] checking rbost/blocking_async against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbost%2Fblocking_async" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rbost/blocking_async on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rbost/blocking_async [INFO] finished tweaking git repo https://github.com/rbost/blocking_async [INFO] tweaked toml for git repo https://github.com/rbost/blocking_async written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rbost/blocking_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v1.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 886198ad756ef29d5479dd3874ea15e1dacf69658eab7bebf15ac17b1598326c [INFO] running `Command { std: "docker" "start" "-a" "886198ad756ef29d5479dd3874ea15e1dacf69658eab7bebf15ac17b1598326c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "886198ad756ef29d5479dd3874ea15e1dacf69658eab7bebf15ac17b1598326c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "886198ad756ef29d5479dd3874ea15e1dacf69658eab7bebf15ac17b1598326c", kill_on_drop: false }` [INFO] [stdout] 886198ad756ef29d5479dd3874ea15e1dacf69658eab7bebf15ac17b1598326c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77625386bcba4b8b9304511da5a14ba63c65f669ed4c5b828d016f0fe10c8869 [INFO] running `Command { std: "docker" "start" "-a" "77625386bcba4b8b9304511da5a14ba63c65f669ed4c5b828d016f0fe10c8869", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking blocking_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FnOnce` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::FnOnce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FnOnce` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FnOnce` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::FnOnce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FnOnce` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.66s [INFO] running `Command { std: "docker" "inspect" "77625386bcba4b8b9304511da5a14ba63c65f669ed4c5b828d016f0fe10c8869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77625386bcba4b8b9304511da5a14ba63c65f669ed4c5b828d016f0fe10c8869", kill_on_drop: false }` [INFO] [stdout] 77625386bcba4b8b9304511da5a14ba63c65f669ed4c5b828d016f0fe10c8869 [INFO] checking rbost/blocking_async against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbost%2Fblocking_async" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rbost/blocking_async on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rbost/blocking_async [INFO] finished tweaking git repo https://github.com/rbost/blocking_async [INFO] tweaked toml for git repo https://github.com/rbost/blocking_async written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rbost/blocking_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82c3ab6e4eda26a3170c7b855d69ad4846b8b231e7aeb9da2aa25056b6e89f8b [INFO] running `Command { std: "docker" "start" "-a" "82c3ab6e4eda26a3170c7b855d69ad4846b8b231e7aeb9da2aa25056b6e89f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82c3ab6e4eda26a3170c7b855d69ad4846b8b231e7aeb9da2aa25056b6e89f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82c3ab6e4eda26a3170c7b855d69ad4846b8b231e7aeb9da2aa25056b6e89f8b", kill_on_drop: false }` [INFO] [stdout] 82c3ab6e4eda26a3170c7b855d69ad4846b8b231e7aeb9da2aa25056b6e89f8b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86bdb02438cb9f1e143c31fa992e4518fa835ffd42901db267e7e527100855a [INFO] running `Command { std: "docker" "start" "-a" "b86bdb02438cb9f1e143c31fa992e4518fa835ffd42901db267e7e527100855a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking blocking_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FnOnce` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::FnOnce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FnOnce` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FnOnce` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::FnOnce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FnOnce` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s [INFO] running `Command { std: "docker" "inspect" "b86bdb02438cb9f1e143c31fa992e4518fa835ffd42901db267e7e527100855a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86bdb02438cb9f1e143c31fa992e4518fa835ffd42901db267e7e527100855a", kill_on_drop: false }` [INFO] [stdout] b86bdb02438cb9f1e143c31fa992e4518fa835ffd42901db267e7e527100855a