[INFO] crate rtee 0.2.0 is already in cache
[INFO] testing rtee-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate rtee 0.2.0 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate rtee 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rtee 0.2.0
[INFO] finished tweaking crates.io crate rtee 0.2.0
[INFO] tweaked toml for crates.io crate rtee 0.2.0 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] db03e17fedbc2bc0c3a28ec4c54c0e3aef0b6db094e746b66ad301ca1cf5a3be
[INFO] running `"docker" "start" "-a" "db03e17fedbc2bc0c3a28ec4c54c0e3aef0b6db094e746b66ad301ca1cf5a3be"`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling rtee v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:60:44
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut writers: Vec<BufWriter<Box<Write>>> =
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |             for mut writer in &mut writers {
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `"docker" "inspect" "db03e17fedbc2bc0c3a28ec4c54c0e3aef0b6db094e746b66ad301ca1cf5a3be"`
[INFO] running `"docker" "rm" "-f" "db03e17fedbc2bc0c3a28ec4c54c0e3aef0b6db094e746b66ad301ca1cf5a3be"`
[INFO] [stdout] db03e17fedbc2bc0c3a28ec4c54c0e3aef0b6db094e746b66ad301ca1cf5a3be
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e682190ada774e404d6acb348a0840bc2d05101d6a8a735a5ac0e806724a02e
[INFO] running `"docker" "start" "-a" "1e682190ada774e404d6acb348a0840bc2d05101d6a8a735a5ac0e806724a02e"`
[INFO] [stderr]    Compiling rtee v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:60:44
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut writers: Vec<BufWriter<Box<Write>>> =
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |             for mut writer in &mut writers {
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "1e682190ada774e404d6acb348a0840bc2d05101d6a8a735a5ac0e806724a02e"`
[INFO] running `"docker" "rm" "-f" "1e682190ada774e404d6acb348a0840bc2d05101d6a8a735a5ac0e806724a02e"`
[INFO] [stdout] 1e682190ada774e404d6acb348a0840bc2d05101d6a8a735a5ac0e806724a02e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] da19a7f892f464d8c955fee5bd93fde427035b2eb6ea807ef2cd873579fbb236
[INFO] running `"docker" "start" "-a" "da19a7f892f464d8c955fee5bd93fde427035b2eb6ea807ef2cd873579fbb236"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rtee-0c2ed2d7a1501fb1
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "da19a7f892f464d8c955fee5bd93fde427035b2eb6ea807ef2cd873579fbb236"`
[INFO] running `"docker" "rm" "-f" "da19a7f892f464d8c955fee5bd93fde427035b2eb6ea807ef2cd873579fbb236"`
[INFO] [stdout] da19a7f892f464d8c955fee5bd93fde427035b2eb6ea807ef2cd873579fbb236