[INFO] fetching crate rwog 0.2.3... [INFO] checking rwog-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate rwog 0.2.3 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rwog 0.2.3 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 crates.io crate rwog 0.2.3 [INFO] finished tweaking crates.io crate rwog 0.2.3 [INFO] tweaked toml for crates.io crate rwog 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 27 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding caps v0.2.0 (latest: v0.5.5) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding errno v0.2.8 (latest: v0.3.8) [INFO] [stderr] Adding error-chain v0.11.0 (latest: v0.12.4) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding nix v0.10.0 (latest: v0.28.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding users v0.6.1 (latest: v0.11.0) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded errno v0.2.8 [INFO] [stderr] Downloaded gcc v0.3.55 [INFO] [stderr] Downloaded caps v0.2.0 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded users v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1fcf7f0fa3a30244a919d9cca21ccc1b15af2f6404099926a85967cbfe0625b9 [INFO] running `Command { std: "docker" "start" "-a" "1fcf7f0fa3a30244a919d9cca21ccc1b15af2f6404099926a85967cbfe0625b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fcf7f0fa3a30244a919d9cca21ccc1b15af2f6404099926a85967cbfe0625b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fcf7f0fa3a30244a919d9cca21ccc1b15af2f6404099926a85967cbfe0625b9", kill_on_drop: false }` [INFO] [stdout] 1fcf7f0fa3a30244a919d9cca21ccc1b15af2f6404099926a85967cbfe0625b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 41c088e99fb33b46fc9aa43a2d0755d70f0d04d7bd6c470ada1044f217a9c5df [INFO] running `Command { std: "docker" "start" "-a" "41c088e99fb33b46fc9aa43a2d0755d70f0d04d7bd6c470ada1044f217a9c5df", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking users v0.6.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking caps v0.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rwog v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Gid` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix::unistd::*; [INFO] [stdout] | -------------- the item `Gid` is already imported here [INFO] [stdout] 14 | use nix::unistd::Gid; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Gid` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix::unistd::*; [INFO] [stdout] | -------------- the item `Gid` is already imported here [INFO] [stdout] 14 | use nix::unistd::Gid; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "41c088e99fb33b46fc9aa43a2d0755d70f0d04d7bd6c470ada1044f217a9c5df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41c088e99fb33b46fc9aa43a2d0755d70f0d04d7bd6c470ada1044f217a9c5df", kill_on_drop: false }` [INFO] [stdout] 41c088e99fb33b46fc9aa43a2d0755d70f0d04d7bd6c470ada1044f217a9c5df [INFO] checking rwog-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate rwog 0.2.3 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rwog 0.2.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rwog 0.2.3 [INFO] finished tweaking crates.io crate rwog 0.2.3 [INFO] tweaked toml for crates.io crate rwog 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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 27 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding caps v0.2.0 (latest: v0.5.5) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding errno v0.2.8 (latest: v0.3.8) [INFO] [stderr] Adding error-chain v0.11.0 (latest: v0.12.4) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding nix v0.10.0 (latest: v0.28.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding users v0.6.1 (latest: v0.11.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d9789a35ab0d89c92839a488e3eed800694f3762b1ea42fe87b74164161652f [INFO] running `Command { std: "docker" "start" "-a" "3d9789a35ab0d89c92839a488e3eed800694f3762b1ea42fe87b74164161652f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d9789a35ab0d89c92839a488e3eed800694f3762b1ea42fe87b74164161652f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d9789a35ab0d89c92839a488e3eed800694f3762b1ea42fe87b74164161652f", kill_on_drop: false }` [INFO] [stdout] 3d9789a35ab0d89c92839a488e3eed800694f3762b1ea42fe87b74164161652f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1279fe7cb3ae81e3246a4c148d0e36ca71988e05d5b75230afe211881feb955f [INFO] running `Command { std: "docker" "start" "-a" "1279fe7cb3ae81e3246a4c148d0e36ca71988e05d5b75230afe211881feb955f", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking users v0.6.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking caps v0.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rwog v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Gid` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix::unistd::*; [INFO] [stdout] | -------------- the item `Gid` is already imported here [INFO] [stdout] 14 | use nix::unistd::Gid; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Gid` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix::unistd::*; [INFO] [stdout] | -------------- the item `Gid` is already imported here [INFO] [stdout] 14 | use nix::unistd::Gid; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "1279fe7cb3ae81e3246a4c148d0e36ca71988e05d5b75230afe211881feb955f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1279fe7cb3ae81e3246a4c148d0e36ca71988e05d5b75230afe211881feb955f", kill_on_drop: false }` [INFO] [stdout] 1279fe7cb3ae81e3246a4c148d0e36ca71988e05d5b75230afe211881feb955f