[INFO] fetching crate rs-simple-logging 0.3.0...
[INFO] testing rs-simple-logging-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rs-simple-logging 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rs-simple-logging 0.3.0
[INFO] finished tweaking crates.io crate rs-simple-logging 0.3.0
[INFO] tweaked toml for crates.io crate rs-simple-logging 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-simple-logging 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0261d01e33af58cdf448aec278de519dadef8525881cbf224ad3e67f2fe5520d
[INFO] running `Command { std: "docker" "start" "-a" "0261d01e33af58cdf448aec278de519dadef8525881cbf224ad3e67f2fe5520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0261d01e33af58cdf448aec278de519dadef8525881cbf224ad3e67f2fe5520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0261d01e33af58cdf448aec278de519dadef8525881cbf224ad3e67f2fe5520d", kill_on_drop: false }`
[INFO] [stdout] 0261d01e33af58cdf448aec278de519dadef8525881cbf224ad3e67f2fe5520d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7aca6955fd3fd5521bc432282125037bbd687dadb75f7e4fddaec703c1347f
[INFO] running `Command { std: "docker" "start" "-a" "4e7aca6955fd3fd5521bc432282125037bbd687dadb75f7e4fddaec703c1347f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-simple-logging v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "4e7aca6955fd3fd5521bc432282125037bbd687dadb75f7e4fddaec703c1347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7aca6955fd3fd5521bc432282125037bbd687dadb75f7e4fddaec703c1347f", kill_on_drop: false }`
[INFO] [stdout] 4e7aca6955fd3fd5521bc432282125037bbd687dadb75f7e4fddaec703c1347f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2031bae03be3e604166a5e6b5e634bc32973beb52bafe1d083ee2efecfdbdaac
[INFO] running `Command { std: "docker" "start" "-a" "2031bae03be3e604166a5e6b5e634bc32973beb52bafe1d083ee2efecfdbdaac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-simple-logging v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2031bae03be3e604166a5e6b5e634bc32973beb52bafe1d083ee2efecfdbdaac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2031bae03be3e604166a5e6b5e634bc32973beb52bafe1d083ee2efecfdbdaac", kill_on_drop: false }`
[INFO] [stdout] 2031bae03be3e604166a5e6b5e634bc32973beb52bafe1d083ee2efecfdbdaac
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62c379a6bfd3196b6a75ffcd3d115e4d1a4215596d78c8bc6c4034370414c6a4
[INFO] running `Command { std: "docker" "start" "-a" "62c379a6bfd3196b6a75ffcd3d115e4d1a4215596d78c8bc6c4034370414c6a4", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ProxyNop` is never constructed
[INFO] [stderr]  --> src/proxy/copy.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct ProxyNop {}
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-simple-logging` (lib) generated 1 warning
[INFO] [stderr] warning: `rs-simple-logging` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_simple_logging-126a7be53021f15f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_simple_logging
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62c379a6bfd3196b6a75ffcd3d115e4d1a4215596d78c8bc6c4034370414c6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c379a6bfd3196b6a75ffcd3d115e4d1a4215596d78c8bc6c4034370414c6a4", kill_on_drop: false }`
[INFO] [stdout] 62c379a6bfd3196b6a75ffcd3d115e4d1a4215596d78c8bc6c4034370414c6a4