[INFO] fetching crate errno-no-std 0.2.0...
[INFO] checking errno-no-std-0.2.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate errno-no-std 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate errno-no-std 0.2.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errno-no-std 0.2.0
[INFO] finished tweaking crates.io crate errno-no-std 0.2.0
[INFO] tweaked toml for crates.io crate errno-no-std 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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 copy_from_str v1.0.6
[INFO] [stderr]   Downloaded errno-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be170be3e145d31b9f7163fcc5d8a1531755ca6c38c527f4df57207685c23513
[INFO] running `Command { std: "docker" "start" "-a" "be170be3e145d31b9f7163fcc5d8a1531755ca6c38c527f4df57207685c23513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be170be3e145d31b9f7163fcc5d8a1531755ca6c38c527f4df57207685c23513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be170be3e145d31b9f7163fcc5d8a1531755ca6c38c527f4df57207685c23513", kill_on_drop: false }`
[INFO] [stdout] be170be3e145d31b9f7163fcc5d8a1531755ca6c38c527f4df57207685c23513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1c4382024f4b020b95f1a8b272294190b4c176150dba2d9ba9e209031dbccf1
[INFO] running `Command { std: "docker" "start" "-a" "e1c4382024f4b020b95f1a8b272294190b4c176150dba2d9ba9e209031dbccf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking copy_from_str v1.0.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking errno-no-std v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stdout] error: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use crate::*;
[INFO] [stdout]    |         -------- the item `fmt` is already imported here
[INFO] [stdout] 70 |     use copy_from_str::CopyFromStrExt;
[INFO] [stdout] 71 |     use core::fmt::{self, Write};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `fmt` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::*;
[INFO] [stdout]     |         -------- the item `fmt` is already imported here
[INFO] [stdout] 135 |     use copy_from_str::CopyFromStrExt;
[INFO] [stdout] 136 |     use core::fmt::{self, Write};
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errno-no-std` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e1c4382024f4b020b95f1a8b272294190b4c176150dba2d9ba9e209031dbccf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c4382024f4b020b95f1a8b272294190b4c176150dba2d9ba9e209031dbccf1", kill_on_drop: false }`
[INFO] [stdout] e1c4382024f4b020b95f1a8b272294190b4c176150dba2d9ba9e209031dbccf1
[INFO] checking errno-no-std-0.2.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate errno-no-std 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate errno-no-std 0.2.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errno-no-std 0.2.0
[INFO] finished tweaking crates.io crate errno-no-std 0.2.0
[INFO] tweaked toml for crates.io crate errno-no-std 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f47913e701bde4dbf8ac13c8d1360e74a8877b90e8abcef97f52b25f3f809d2
[INFO] running `Command { std: "docker" "start" "-a" "9f47913e701bde4dbf8ac13c8d1360e74a8877b90e8abcef97f52b25f3f809d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f47913e701bde4dbf8ac13c8d1360e74a8877b90e8abcef97f52b25f3f809d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f47913e701bde4dbf8ac13c8d1360e74a8877b90e8abcef97f52b25f3f809d2", kill_on_drop: false }`
[INFO] [stdout] 9f47913e701bde4dbf8ac13c8d1360e74a8877b90e8abcef97f52b25f3f809d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2989ce363772ac7292f1dd8a0ca18170a8f7a6691fb653afabb708b834c197
[INFO] running `Command { std: "docker" "start" "-a" "5c2989ce363772ac7292f1dd8a0ca18170a8f7a6691fb653afabb708b834c197", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking copy_from_str v1.0.6
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking errno-no-std v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stdout] error: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use crate::*;
[INFO] [stdout]    |         -------- the item `fmt` is already imported here
[INFO] [stdout] 70 |     use copy_from_str::CopyFromStrExt;
[INFO] [stdout] 71 |     use core::fmt::{self, Write};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `fmt` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::*;
[INFO] [stdout]     |         -------- the item `fmt` is already imported here
[INFO] [stdout] 135 |     use copy_from_str::CopyFromStrExt;
[INFO] [stdout] 136 |     use core::fmt::{self, Write};
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errno-no-std` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5c2989ce363772ac7292f1dd8a0ca18170a8f7a6691fb653afabb708b834c197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2989ce363772ac7292f1dd8a0ca18170a8f7a6691fb653afabb708b834c197", kill_on_drop: false }`
[INFO] [stdout] 5c2989ce363772ac7292f1dd8a0ca18170a8f7a6691fb653afabb708b834c197
