[INFO] fetching crate pemel 0.2.1...
[INFO] testing pemel-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate pemel 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pemel 0.2.1
[INFO] finished tweaking crates.io crate pemel 0.2.1
[INFO] tweaked toml for crates.io crate pemel 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pemel 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pemel 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afbcd7cafa306c0982359fdf23e63b12970ee9e9f0aefa6bf02c70967e9437f9
[INFO] running `Command { std: "docker" "start" "-a" "afbcd7cafa306c0982359fdf23e63b12970ee9e9f0aefa6bf02c70967e9437f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afbcd7cafa306c0982359fdf23e63b12970ee9e9f0aefa6bf02c70967e9437f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbcd7cafa306c0982359fdf23e63b12970ee9e9f0aefa6bf02c70967e9437f9", kill_on_drop: false }`
[INFO] [stdout] afbcd7cafa306c0982359fdf23e63b12970ee9e9f0aefa6bf02c70967e9437f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbe65650279671587a808337348acc2a3083eaf9ddb15e079cac805f7453abd
[INFO] running `Command { std: "docker" "start" "-a" "2fbe65650279671587a808337348acc2a3083eaf9ddb15e079cac805f7453abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pemel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/macros.rs:8:15
[INFO] [stdout]     |
[INFO] [stdout]   8 |             | Expr::Log($lhs, $rhs)
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/expr.rs:385:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |             Expr::Log(base, arg) => write!(f, "log({}, {})", base.to_string(), arg.to_string()),
[INFO] [stdout]     |             -------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 396 |             expr_pat!(BINOP: lhs, rhs) => write!(
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `expr_pat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "2fbe65650279671587a808337348acc2a3083eaf9ddb15e079cac805f7453abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbe65650279671587a808337348acc2a3083eaf9ddb15e079cac805f7453abd", kill_on_drop: false }`
[INFO] [stdout] 2fbe65650279671587a808337348acc2a3083eaf9ddb15e079cac805f7453abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602dcc0928fa57510794536092da5b3eacce61aca0741140e1baad0667554338
[INFO] running `Command { std: "docker" "start" "-a" "602dcc0928fa57510794536092da5b3eacce61aca0741140e1baad0667554338", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/macros.rs:8:15
[INFO] [stdout]     |
[INFO] [stdout]   8 |             | Expr::Log($lhs, $rhs)
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/expr.rs:385:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |             Expr::Log(base, arg) => write!(f, "log({}, {})", base.to_string(), arg.to_string()),
[INFO] [stdout]     |             -------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 396 |             expr_pat!(BINOP: lhs, rhs) => write!(
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `expr_pat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pemel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/macros.rs:8:15
[INFO] [stdout]     |
[INFO] [stdout]   8 |             | Expr::Log($lhs, $rhs)
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/expr.rs:385:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |             Expr::Log(base, arg) => write!(f, "log({}, {})", base.to_string(), arg.to_string()),
[INFO] [stdout]     |             -------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 396 |             expr_pat!(BINOP: lhs, rhs) => write!(
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `expr_pat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "602dcc0928fa57510794536092da5b3eacce61aca0741140e1baad0667554338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602dcc0928fa57510794536092da5b3eacce61aca0741140e1baad0667554338", kill_on_drop: false }`
[INFO] [stdout] 602dcc0928fa57510794536092da5b3eacce61aca0741140e1baad0667554338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a95e645760d84139ec39b696243fe269060ed86c9f26689e1f880dd4f4c77c2c
[INFO] running `Command { std: "docker" "start" "-a" "a95e645760d84139ec39b696243fe269060ed86c9f26689e1f880dd4f4c77c2c", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/macros.rs:8:15
[INFO] [stderr]     |
[INFO] [stderr]   8 |             | Expr::Log($lhs, $rhs)
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/expr.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             Expr::Log(base, arg) => write!(f, "log({}, {})", base.to_string(), arg.to_string()),
[INFO] [stderr]     |             -------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 396 |             expr_pat!(BINOP: lhs, rhs) => write!(
[INFO] [stderr]     |             -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `expr_pat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `pemel` (lib) generated 1 warning
[INFO] [stderr] warning: `pemel` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pemel-35c394104cfb1de2)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test expr_test::abs ... ok
[INFO] [stdout] test expr_test::bad_syntax ... ok
[INFO] [stdout] test expr_test::const_expr_eval ... ok
[INFO] [stdout] test expr_test::approx_derivative ... ok
[INFO] [stdout] test expr_test::derivative_multiple_vars ... ok
[INFO] [stdout] test expr_test::display ... ok
[INFO] [stdout] test expr_test::derivative_function ... ok
[INFO] [stdout] test expr_test::eval_error_in_parse ... ok
[INFO] [stdout] test expr_test::eval_with ... ok
[INFO] [stdout] test expr_test::goniometric ... ok
[INFO] [stdout] test expr_test::log ... ok
[INFO] [stdout] test expr_test::power ... ok
[INFO] [stdout] test expr_test::unrecognized_function ... ok
[INFO] [stdout] test expr_test::wrong_const_expr_eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pemel
[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" "a95e645760d84139ec39b696243fe269060ed86c9f26689e1f880dd4f4c77c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95e645760d84139ec39b696243fe269060ed86c9f26689e1f880dd4f4c77c2c", kill_on_drop: false }`
[INFO] [stdout] a95e645760d84139ec39b696243fe269060ed86c9f26689e1f880dd4f4c77c2c