[INFO] fetching crate inta 0.1.2...
[INFO] testing inta-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate inta 0.1.2 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate inta 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inta 0.1.2
[INFO] finished tweaking crates.io crate inta 0.1.2
[INFO] tweaked toml for crates.io crate inta 0.1.2 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f16bc9a120cfe669caf2decf1296139528fab1452ad4bedbe2187902abd1e1ea
[INFO] running `Command { std: "docker" "start" "-a" "f16bc9a120cfe669caf2decf1296139528fab1452ad4bedbe2187902abd1e1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16bc9a120cfe669caf2decf1296139528fab1452ad4bedbe2187902abd1e1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16bc9a120cfe669caf2decf1296139528fab1452ad4bedbe2187902abd1e1ea", kill_on_drop: false }`
[INFO] [stdout] f16bc9a120cfe669caf2decf1296139528fab1452ad4bedbe2187902abd1e1ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e963419bf7bfcace142c09ec421ba3de73894a62484f3929d0943cecd304b5
[INFO] running `Command { std: "docker" "start" "-a" "74e963419bf7bfcace142c09ec421ba3de73894a62484f3929d0943cecd304b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling inta v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let mut i = f_1;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "74e963419bf7bfcace142c09ec421ba3de73894a62484f3929d0943cecd304b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e963419bf7bfcace142c09ec421ba3de73894a62484f3929d0943cecd304b5", kill_on_drop: false }`
[INFO] [stdout] 74e963419bf7bfcace142c09ec421ba3de73894a62484f3929d0943cecd304b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80670dc6483d0686227527e13c0c703b836577daeec717b11b870d9c918d3491
[INFO] running `Command { std: "docker" "start" "-a" "80670dc6483d0686227527e13c0c703b836577daeec717b11b870d9c918d3491", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling inta v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let mut i = f_1;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let mut i = f_1;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "80670dc6483d0686227527e13c0c703b836577daeec717b11b870d9c918d3491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80670dc6483d0686227527e13c0c703b836577daeec717b11b870d9c918d3491", kill_on_drop: false }`
[INFO] [stdout] 80670dc6483d0686227527e13c0c703b836577daeec717b11b870d9c918d3491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b708738685b97e99a5bb9e74613fe201dfce41cbaccdc89f51ebee2c289d199c
[INFO] running `Command { std: "docker" "start" "-a" "b708738685b97e99a5bb9e74613fe201dfce41cbaccdc89f51ebee2c289d199c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |         let mut i = f_1;
[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] warning: `inta` (lib) generated 1 warning
[INFO] [stderr] warning: `inta` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/inta-ecc5d6752a8f71f9)
[INFO] [stderr]    Doc-tests inta
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::acos_interval ... ok
[INFO] [stdout] test tests::acosh_interval ... ok
[INFO] [stdout] test tests::add_interval ... ok
[INFO] [stdout] test tests::asin_interval ... ok
[INFO] [stdout] test tests::asinh_interval ... ok
[INFO] [stdout] test tests::atan_interval ... ok
[INFO] [stdout] test tests::atanh_interval ... ok
[INFO] [stdout] test tests::cos_interval ... ok
[INFO] [stdout] test tests::cosh_interval ... ok
[INFO] [stdout] test tests::div_interval ... ok
[INFO] [stdout] test tests::e_interval ... ok
[INFO] [stdout] test tests::exp_interval ... ok
[INFO] [stdout] test tests::hull_interval ... ok
[INFO] [stdout] test tests::log_interval ... ok
[INFO] [stdout] test tests::mul_interval ... ok
[INFO] [stdout] test tests::sin_interval ... ok
[INFO] [stdout] test tests::sinh_interval ... ok
[INFO] [stdout] test tests::sub_interval ... ok
[INFO] [stdout] test tests::tanh_interval ... ok
[INFO] [stdout] test tests::tan_interval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "b708738685b97e99a5bb9e74613fe201dfce41cbaccdc89f51ebee2c289d199c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b708738685b97e99a5bb9e74613fe201dfce41cbaccdc89f51ebee2c289d199c", kill_on_drop: false }`
[INFO] [stdout] b708738685b97e99a5bb9e74613fe201dfce41cbaccdc89f51ebee2c289d199c