[INFO] cloning repository https://github.com/Ramla-I/trusted_linked_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ramla-I/trusted_linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamla-I%2Ftrusted_linked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamla-I%2Ftrusted_linked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd37b7815ac5423110adfd111630daf7806f40d2
[INFO] checking Ramla-I/trusted_linked_list against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamla-I%2Ftrusted_linked_list" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ramla-I/trusted_linked_list
[INFO] finished tweaking git repo https://github.com/Ramla-I/trusted_linked_list
[INFO] tweaked toml for git repo https://github.com/Ramla-I/trusted_linked_list written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ramla-I/trusted_linked_list on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ramla-I/trusted_linked_list 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c
[INFO] running `Command { std: "docker" "start" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling prusti-contracts-proc-macros v0.1.2
[INFO] [stderr]     Checking prusti-contracts v0.1.2
[INFO] [stderr]     Checking trusted_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Link::More(box node) => false,
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Link::More(box node) => 1 + node.next.len(),
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Link::More(box node) => {
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:188:24
[INFO] [stdout]     |
[INFO] [stdout] 188 |             Link::More(box node) => {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)] // convenience box syntax
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Link::More(box node) => 1 + node.next.len(),
[INFO] [stdout]    |                                         ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     &node.elem
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     node.next.lookup(index - 1)
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]    --> src/main.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 if node.elem.overlap(elem) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]    --> src/main.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     false || Self::overlaps(&node.next, elem)
[INFO] [stdout]     |                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `prusti`
[INFO] [stdout]    --> src/main.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[cfg_attr(feature="prusti", pure)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `prusti` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_len`
[INFO] [stdout]    --> src/main.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let old_len = self.head.len();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_len`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let old_len = self.head.len();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trusted_linked_list` (bin "trusted_linked_list") due to 10 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Link::More(box node) => false,
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Link::More(box node) => 1 + node.next.len(),
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/main.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Link::More(box node) => {
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:188:24
[INFO] [stdout]     |
[INFO] [stdout] 188 |             Link::More(box node) => {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)] // convenience box syntax
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Link::More(box node) => 1 + node.next.len(),
[INFO] [stdout]    |                                         ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     &node.elem
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/main.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     node.next.lookup(index - 1)
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]    --> src/main.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 if node.elem.overlap(elem) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]    --> src/main.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     false || Self::overlaps(&node.next, elem)
[INFO] [stdout]     |                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `prusti`
[INFO] [stdout]    --> src/main.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[cfg_attr(feature="prusti", pure)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `prusti` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_len`
[INFO] [stdout]    --> src/main.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let old_len = self.head.len();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_len`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let old_len = self.head.len();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trusted_linked_list` (bin "trusted_linked_list" test) due to 10 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c", kill_on_drop: false }`
[INFO] [stdout] b019bce465265edc9b53790f612bcc6fea2786658a7a7aee9c94459819c15f0c
