[INFO] cloning repository https://github.com/losvedir/rust-zoo-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/losvedir/rust-zoo-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1b30292d0c0f3803db5ea2ed7b5befe57b27a64
[INFO] checking losvedir/rust-zoo-calc against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/losvedir/rust-zoo-calc on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/losvedir/rust-zoo-calc
[INFO] finished tweaking git repo https://github.com/losvedir/rust-zoo-calc
[INFO] tweaked toml for git repo https://github.com/losvedir/rust-zoo-calc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/losvedir/rust-zoo-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3833a4f53c60588cfb120ed89f3bf04fab09e5656ee6a674be52ad737ee0f9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3833a4f53c60588cfb120ed89f3bf04fab09e5656ee6a674be52ad737ee0f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3833a4f53c60588cfb120ed89f3bf04fab09e5656ee6a674be52ad737ee0f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3833a4f53c60588cfb120ed89f3bf04fab09e5656ee6a674be52ad737ee0f9e", kill_on_drop: false }`
[INFO] [stdout] c3833a4f53c60588cfb120ed89f3bf04fab09e5656ee6a674be52ad737ee0f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4853ef7740fd1f906efb6a07a68883bea82070e079c8963c007dbbbf9ce7ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c4853ef7740fd1f906efb6a07a68883bea82070e079c8963c007dbbbf9ce7ce", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-zoo-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let lhs = try!(parse_primary(toks, current_token));
[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]    --> src/main.rs:126:15
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut right_expr = try!(parse_primary(toks, current_token));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let lhs = try!(parse_primary(toks, current_token));
[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]    --> src/main.rs:126:15
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let next_op = try!(get_token(toks, current_token));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut right_expr = try!(parse_primary(toks, current_token));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 right_expr = try!(parse_binary_ops_rhs(toks, current_token, expr_precedence + 1, right_expr))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let next_op = try!(get_token(toks, current_token));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 right_expr = try!(parse_binary_ops_rhs(toks, current_token, expr_precedence + 1, right_expr))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let expr = try!(parse_expr(toks, current_token));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let expr = try!(parse_expr(toks, current_token));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2c4853ef7740fd1f906efb6a07a68883bea82070e079c8963c007dbbbf9ce7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4853ef7740fd1f906efb6a07a68883bea82070e079c8963c007dbbbf9ce7ce", kill_on_drop: false }`
[INFO] [stdout] 2c4853ef7740fd1f906efb6a07a68883bea82070e079c8963c007dbbbf9ce7ce