[INFO] fetching crate schedule 0.1.0...
[INFO] checking schedule-0.1.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate schedule 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate schedule 0.1.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate schedule 0.1.0
[INFO] finished tweaking crates.io crate schedule 0.1.0
[INFO] tweaked toml for crates.io crate schedule 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5ac46c1618d12f3c08bfd79b1b2d2cf9c7b44a5542c95364f1ced947d832b25
[INFO] running `Command { std: "docker" "start" "-a" "b5ac46c1618d12f3c08bfd79b1b2d2cf9c7b44a5542c95364f1ced947d832b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ac46c1618d12f3c08bfd79b1b2d2cf9c7b44a5542c95364f1ced947d832b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ac46c1618d12f3c08bfd79b1b2d2cf9c7b44a5542c95364f1ced947d832b25", kill_on_drop: false }`
[INFO] [stdout] b5ac46c1618d12f3c08bfd79b1b2d2cf9c7b44a5542c95364f1ced947d832b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42a66970755cbe596bfd2a65aeefd1a8e1fe02ccd46d3627d900328dd9638ec
[INFO] running `Command { std: "docker" "start" "-a" "f42a66970755cbe596bfd2a65aeefd1a8e1fe02ccd46d3627d900328dd9638ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking schedule v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/schedule.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl FromStr for Box<Schedule> {
[INFO] [stdout]     |                      ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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/schedule.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn from_str(s: &str) -> Result<Box<Schedule>, ()> {
[INFO] [stdout]     |                                        ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[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/job.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     schedule: Box<Schedule + 'a>,
[INFO] [stdout]   |                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Schedule + 'a`
[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/job.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     function: Box<(FnMut() -> ()) + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (FnMut() -> ()) + 'a`
[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/job.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new<T>(function: T, schedule: Box<Schedule>) -> Job<'a>
[INFO] [stdout]    |                                              ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[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: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/schedule.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl FromStr for Box<Schedule> {
[INFO] [stdout]     |                      ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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/schedule.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn from_str(s: &str) -> Result<Box<Schedule>, ()> {
[INFO] [stdout]     |                                        ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[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/schedule.rs:214:20
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let s: Box<Schedule> = "1 2 3 4 *".parse().unwrap();
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[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/job.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     schedule: Box<Schedule + 'a>,
[INFO] [stdout]   |                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Schedule + 'a`
[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/job.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     function: Box<(FnMut() -> ()) + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (FnMut() -> ()) + 'a`
[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/job.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new<T>(function: T, schedule: Box<Schedule>) -> Job<'a>
[INFO] [stdout]    |                                              ^^^^^^^^ help: use `dyn`: `dyn Schedule`
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "f42a66970755cbe596bfd2a65aeefd1a8e1fe02ccd46d3627d900328dd9638ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42a66970755cbe596bfd2a65aeefd1a8e1fe02ccd46d3627d900328dd9638ec", kill_on_drop: false }`
[INFO] [stdout] f42a66970755cbe596bfd2a65aeefd1a8e1fe02ccd46d3627d900328dd9638ec