[INFO] fetching crate itm 0.3.1...
[INFO] checking itm-0.3.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate itm 0.3.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate itm 0.3.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate itm 0.3.1
[INFO] finished tweaking crates.io crate itm 0.3.1
[INFO] tweaked toml for crates.io crate itm 0.3.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d18d62f707bb68fdf4932f72a1bc70fedf75d919d172879c2baedac9e95819cc
[INFO] running `Command { std: "docker" "start" "-a" "d18d62f707bb68fdf4932f72a1bc70fedf75d919d172879c2baedac9e95819cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18d62f707bb68fdf4932f72a1bc70fedf75d919d172879c2baedac9e95819cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18d62f707bb68fdf4932f72a1bc70fedf75d919d172879c2baedac9e95819cc", kill_on_drop: false }`
[INFO] [stdout] d18d62f707bb68fdf4932f72a1bc70fedf75d919d172879c2baedac9e95819cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0763be98b39e64b7fcecaf656de924145d7e00409f25309bb80c472581a30439
[INFO] running `Command { std: "docker" "start" "-a" "0763be98b39e64b7fcecaf656de924145d7e00409f25309bb80c472581a30439", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling itm v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Ok(try!(String::from_utf8(
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Ok(try!(String::from_utf8(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         try!(
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:131:50
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn open_read(matches: &ArgMatches) -> Result<Box<io::Read + 'static>, io::Error> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/bin/itmdump.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |             Box::new(f) as Box<io::Read + 'static>
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 |         None => Box::new(io::stdin()) as Box<io::Read + 'static>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:131:50
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn open_read(matches: &ArgMatches) -> Result<Box<io::Read + 'static>, io::Error> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/bin/itmdump.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |             Box::new(f) as Box<io::Read + 'static>
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/itmdump.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 |         None => Box::new(io::stdin()) as Box<io::Read + 'static>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "0763be98b39e64b7fcecaf656de924145d7e00409f25309bb80c472581a30439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0763be98b39e64b7fcecaf656de924145d7e00409f25309bb80c472581a30439", kill_on_drop: false }`
[INFO] [stdout] 0763be98b39e64b7fcecaf656de924145d7e00409f25309bb80c472581a30439
