[INFO] fetching crate crontab 0.2.0...
[INFO] checking crontab-0.2.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate crontab 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate crontab 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 crontab 0.2.0
[INFO] finished tweaking crates.io crate crontab 0.2.0
[INFO] tweaked toml for crates.io crate crontab 0.2.0 written to /workspace/builds/worker-4-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 11 packages
[INFO] [stderr]       Adding expectest v0.9.2 (latest: v0.12.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+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]  Downloading crates ...
[INFO] [stderr]   Downloaded expectest v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 135ade02fb59230f3a3c2f93e1df99d8a0bdb4ab7b34653ea22fc57127e3214b
[INFO] running `Command { std: "docker" "start" "-a" "135ade02fb59230f3a3c2f93e1df99d8a0bdb4ab7b34653ea22fc57127e3214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135ade02fb59230f3a3c2f93e1df99d8a0bdb4ab7b34653ea22fc57127e3214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135ade02fb59230f3a3c2f93e1df99d8a0bdb4ab7b34653ea22fc57127e3214b", kill_on_drop: false }`
[INFO] [stdout] 135ade02fb59230f3a3c2f93e1df99d8a0bdb4ab7b34653ea22fc57127e3214b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 83af760f47553b9327c109812e93d95eb9e27fd7f9537f4fc620e8ec0c47ef2e
[INFO] running `Command { std: "docker" "start" "-a" "83af760f47553b9327c109812e93d95eb9e27fd7f9537f4fc620e8ec0c47ef2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crontab v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking expectest v0.9.2
[INFO] [stdout] error: the item `Crontab` is imported redundantly
[INFO] [stdout]    --> src/crontab.rs:236:7
[INFO] [stdout]     |
[INFO] [stdout] 235 |   use super::*;
[INFO] [stdout]     |       -------- the item `Crontab` is already imported here
[INFO] [stdout] 236 |   use crontab::Crontab;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![deny(unused_imports)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crontab` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "83af760f47553b9327c109812e93d95eb9e27fd7f9537f4fc620e8ec0c47ef2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83af760f47553b9327c109812e93d95eb9e27fd7f9537f4fc620e8ec0c47ef2e", kill_on_drop: false }`
[INFO] [stdout] 83af760f47553b9327c109812e93d95eb9e27fd7f9537f4fc620e8ec0c47ef2e
[INFO] checking crontab-0.2.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate crontab 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate crontab 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 crontab 0.2.0
[INFO] finished tweaking crates.io crate crontab 0.2.0
[INFO] tweaked toml for crates.io crate crontab 0.2.0 written to /workspace/builds/worker-4-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]     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 11 packages
[INFO] [stderr]       Adding expectest v0.9.2 (latest: v0.12.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+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] [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7dd89708856914891d9b514365f330534dbabc75462a646d791eee0d9fb5e838
[INFO] running `Command { std: "docker" "start" "-a" "7dd89708856914891d9b514365f330534dbabc75462a646d791eee0d9fb5e838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd89708856914891d9b514365f330534dbabc75462a646d791eee0d9fb5e838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd89708856914891d9b514365f330534dbabc75462a646d791eee0d9fb5e838", kill_on_drop: false }`
[INFO] [stdout] 7dd89708856914891d9b514365f330534dbabc75462a646d791eee0d9fb5e838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d96ca2fd7e10dac5019cd6b09ccee3c9baf4ef86f2a67023caab7f2ce8c9e3a
[INFO] running `Command { std: "docker" "start" "-a" "5d96ca2fd7e10dac5019cd6b09ccee3c9baf4ef86f2a67023caab7f2ce8c9e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crontab v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking expectest v0.9.2
[INFO] [stdout] error: the item `Crontab` is imported redundantly
[INFO] [stdout]    --> src/crontab.rs:236:7
[INFO] [stdout]     |
[INFO] [stdout] 235 |   use super::*;
[INFO] [stdout]     |       -------- the item `Crontab` is already imported here
[INFO] [stdout] 236 |   use crontab::Crontab;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![deny(unused_imports)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crontab` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d96ca2fd7e10dac5019cd6b09ccee3c9baf4ef86f2a67023caab7f2ce8c9e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d96ca2fd7e10dac5019cd6b09ccee3c9baf4ef86f2a67023caab7f2ce8c9e3a", kill_on_drop: false }`
[INFO] [stdout] 5d96ca2fd7e10dac5019cd6b09ccee3c9baf4ef86f2a67023caab7f2ce8c9e3a
